SQLiteDatabase.java revision 65a8883f0e605bb8a73a692987b47ce5da632e72
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.database.sqlite; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1901e4cfc47d0a2c7e7ab383d2fb23224ec52c0301Dianne Hackbornimport android.app.AppGlobals; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.ContentValues; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.Cursor; 22062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Noriimport android.database.DatabaseErrorHandler; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.DatabaseUtils; 24062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Noriimport android.database.DefaultDatabaseErrorHandler; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.SQLException; 26c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport android.database.sqlite.SQLiteDebug.DbStats; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 28a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Noriimport android.os.StatFs; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 3090142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikovimport android.os.SystemProperties; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Config; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.EventLog; 3490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikovimport android.util.Log; 35c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport android.util.Pair; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 37cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrickimport dalvik.system.BlockGuard; 38cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.File; 40c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport java.lang.ref.WeakReference; 41c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport java.util.ArrayList; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.HashMap; 43c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport java.util.HashSet; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Iterator; 4520f549fd2f40db524242c9038d7d63356adf95fcVasu Noriimport java.util.LinkedHashMap; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Locale; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Map; 4812311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnorimport java.util.Random; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Set; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.WeakHashMap; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.concurrent.locks.ReentrantLock; 52d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrickimport java.util.regex.Pattern; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Exposes methods to manage a SQLite database. 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>SQLiteDatabase has methods to create, delete, execute SQL commands, and 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * perform other common database management tasks. 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>See the Notepad sample application in the SDK for an example of creating 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and managing a database. 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> Database names must be unique within an application, not across all 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * applications. 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <h3>Localized Collation - ORDER BY</h3> 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>In addition to SQLite's default <code>BINARY</code> collator, Android supplies 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * two more, <code>LOCALIZED</code>, which changes with the system's current locale 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if you wire it up correctly (XXX a link needed!), and <code>UNICODE</code>, which 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is the Unicode Collation Algorithm and not tailored to the current locale. 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class SQLiteDatabase extends SQLiteClosable { 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Database"; 71082c2af6859dff103e781b372dfde927cc0f869fJeff Hamilton private static final int EVENT_DB_OPERATION = 52000; 72082c2af6859dff103e781b372dfde927cc0f869fJeff Hamilton private static final int EVENT_DB_CORRUPT = 75004; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Algorithms used in ON CONFLICT clause 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.sqlite.org/lang_conflict.html 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 788d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 798d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, an immediate ROLLBACK occurs, 808d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * thus ending the current transaction, and the command aborts with a 818d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * return code of SQLITE_CONSTRAINT. If no transaction is active 828d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * (other than the implied transaction that is created on every command) 838d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * then this algorithm works the same as ABORT. 848d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 858d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_ROLLBACK = 1; 86600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 878d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 888d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs,no ROLLBACK is executed 898d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * so changes from prior commands within the same transaction 908d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are preserved. This is the default behavior. 918d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 928d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_ABORT = 2; 93600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 948d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 958d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, the command aborts with a return 968d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * code SQLITE_CONSTRAINT. But any changes to the database that 978d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * the command made prior to encountering the constraint violation 988d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are preserved and are not backed out. 998d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1008d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_FAIL = 3; 101600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1028d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1038d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, the one row that contains 1048d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * the constraint violation is not inserted or changed. 1058d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * But the command continues executing normally. Other rows before and 1068d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * after the row that contained the constraint violation continue to be 1078d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * inserted or updated normally. No error is returned. 1088d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1098d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_IGNORE = 4; 110600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1118d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1128d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a UNIQUE constraint violation occurs, the pre-existing rows that 1138d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are causing the constraint violation are removed prior to inserting 1148d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * or updating the current row. Thus the insert or update always occurs. 1158d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * The command continues executing normally. No error is returned. 1168d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * If a NOT NULL constraint violation occurs, the NULL value is replaced 1178d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * by the default value for that column. If the column has no default 1188d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * value, then the ABORT algorithm is used. If a CHECK constraint 1198d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * violation occurs then the IGNORE algorithm is used. When this conflict 1208d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * resolution strategy deletes rows in order to satisfy a constraint, 1218d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * it does not invoke delete triggers on those rows. 1228d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * This behavior might change in a future release. 1238d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1248d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_REPLACE = 5; 1256eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori 1268d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1278d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * use the following when no conflict action is specified. 1288d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1298d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_NONE = 0; 1308d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori private static final String[] CONFLICT_VALUES = new String[] 1318d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori {"", " OR ROLLBACK ", " OR ABORT ", " OR FAIL ", " OR IGNORE ", " OR REPLACE "}; 132600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maximum Length Of A LIKE Or GLOB Pattern 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The pattern matching algorithm used in the default LIKE and GLOB implementation 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of SQLite can exhibit O(N^2) performance (where N is the number of characters in 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pattern) for certain pathological cases. To avoid denial-of-service attacks 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the length of the LIKE or GLOB pattern is limited to SQLITE_MAX_LIKE_PATTERN_LENGTH bytes. 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default value of this limit is 50000. A modern workstation can evaluate 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * even a pathological LIKE or GLOB pattern of 50000 bytes relatively quickly. 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The denial of service problem only comes into play when the pattern length gets 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into millions of bytes. Nevertheless, since most useful LIKE or GLOB patterns 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are at most a few dozen bytes in length, paranoid application developers may 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * want to reduce this parameter to something in the range of a few hundred 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if they know that external users are able to generate arbitrary patterns. 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int SQLITE_MAX_LIKE_PATTERN_LENGTH = 50000; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database for reading and writing. 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the disk is full, this may fail even before you actually write anything. 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@more} Note that the value of this flag is 0, so it is the default. 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int OPEN_READWRITE = 0x00000000; // update native code if changing 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database for reading only. 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is the only reliable way to open a database if the disk may be full. 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int OPEN_READONLY = 0x00000001; // update native code if changing 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int OPEN_READ_MASK = 0x00000001; // update native code if changing 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database without support for localized collators. 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@more} This causes the collator <code>LOCALIZED</code> not to be created. 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You must be consistent when using this flag to use the setting the database was 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * created with. If this is set, {@link #setLocale} will do nothing. 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int NO_LOCALIZED_COLLATORS = 0x00000010; // update native code if changing 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to create the database file if it does not already exist. 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CREATE_IF_NECESSARY = 0x10000000; // update native code if changing 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the most-recently started transaction has been marked as successful. 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mInnerTransactionIsSuccessful; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Valid during the life of a transaction, and indicates whether the entire transaction (the 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * outer one and all of the inner ones) so far has been successful. 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mTransactionIsSuccessful; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 190c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana /** 191c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * Valid during the life of a transaction. 192c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana */ 193c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana private SQLiteTransactionListener mTransactionListener; 194c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Synchronize on this when accessing the database */ 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final ReentrantLock mLock = new ReentrantLock(true); 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLockAcquiredWallTime = 0L; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLockAcquiredThreadTime = 0L; 200600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // limit the frequency of complaints about each database to one within 20 sec 202600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // unless run command adb shell setprop log.tag.Database VERBOSE 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_WARNING_WINDOW_IN_MS = 20000; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** If the lock is held this long then a warning will be printed when it is released. */ 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_TIME_IN_MS = 300; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_THREAD_TIME_IN_MS = 100; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT = 2000; 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209b43b58d3494426eda6117101635de25bb43efc20Dmitri Plotnikov private static final int SLEEP_AFTER_YIELD_QUANTUM = 1000; 210600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 211d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick // The pattern we remove from database filenames before 212d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick // potentially logging them. 213d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private static final Pattern EMAIL_IN_DB_PATTERN = Pattern.compile("[\\w\\.\\-]+@[\\w\\.\\-]+"); 214d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLastLockMessageTime = 0L; 216600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 217b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Things related to query logging/sampling for debugging 218b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // slow/frequent queries during development. Always log queries 219722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // which take (by default) 500ms+; shorter queries are sampled 220722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // accordingly. Commit statements, which are typically slow, are 221722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // logged together with the most recently executed SQL statement, 222722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // for disambiguation. The 500ms value is configurable via a 223722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // SystemProperty, but developers actively debugging database I/O 224722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // should probably use the regular log tunable, 225722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // LOG_SLOW_QUERIES_PROPERTY, defined below. 226722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick private static int sQueryLogTimeInMillis = 0; // lazily initialized 22712311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor private static final int QUERY_LOG_SQL_LENGTH = 64; 228b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick private static final String COMMIT_SQL = "COMMIT;"; 22912311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor private final Random mRandom = new Random(); 230b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick private String mLastSqlStatement = null; 23112311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor 232722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // String prefix for slow database query EventLog records that show 233722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // lock acquistions of the database. 234722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick /* package */ static final String GET_LOCK_LOG_PREFIX = "GETLOCK:"; 235722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 2366f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori /** Used by native code, do not rename. make it volatile, so it is thread-safe. */ 2376f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori /* package */ volatile int mNativeHandle = 0; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Used to make temp table names unique */ 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ int mTempTableSequence = 0; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 242a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori /** 243a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori * The size, in bytes, of a block on "/data". This corresponds to the Unix 244a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori * statfs.f_bsize field. note that this field is lazily initialized. 245a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori */ 246a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori private static int sBlockSize = 0; 247a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The path for the database file */ 249ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori private final String mPath; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 251d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick /** The anonymized path for the database file for logging purposes */ 252d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private String mPathForLogs = null; // lazily populated 253d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The flags passed to open/create */ 255ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori private final int mFlags; 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The optional factory to use when creating new Cursors */ 258ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori private final CursorFactory mFactory; 259600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 2602134369e803e944af84e73dcaf9356609a5481c6Vasu Nori private final WeakHashMap<SQLiteClosable, Object> mPrograms; 261600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 2625a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 26320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * for each instance of this class, a LRU cache is maintained to store 2645a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * the compiled query statement ids returned by sqlite database. 265ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * key = SQL statement with "?" for bind args 2665a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * value = {@link SQLiteCompiledSql} 2675a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * If an application opens the database and keeps it open during its entire life, then 268ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * there will not be an overhead of compilation of SQL statements by sqlite. 2695a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 2705a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * why is this cache NOT static? because sqlite attaches compiledsql statements to the 2715a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * struct created when {@link SQLiteDatabase#openDatabase(String, CursorFactory, int)} is 2725a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * invoked. 2735a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 2745a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * this cache has an upper limit of mMaxSqlCacheSize (settable by calling the method 2759504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori * (@link setMaxSqlCacheSize(int)}). 2765a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 27720f549fd2f40db524242c9038d7d63356adf95fcVasu Nori // default statement-cache size per database connection ( = instance of this class) 27820f549fd2f40db524242c9038d7d63356adf95fcVasu Nori private int mMaxSqlCacheSize = 25; 2792134369e803e944af84e73dcaf9356609a5481c6Vasu Nori /* package */ final Map<String, SQLiteCompiledSql> mCompiledQueries = 28020f549fd2f40db524242c9038d7d63356adf95fcVasu Nori new LinkedHashMap<String, SQLiteCompiledSql>(mMaxSqlCacheSize + 1, 0.75f, true) { 28120f549fd2f40db524242c9038d7d63356adf95fcVasu Nori @Override 28220f549fd2f40db524242c9038d7d63356adf95fcVasu Nori public boolean removeEldestEntry(Map.Entry<String, SQLiteCompiledSql> eldest) { 2839504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // eldest = least-recently used entry 2849504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // if it needs to be removed to accommodate a new entry, 2859504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // close {@link SQLiteCompiledSql} represented by this entry, if not in use 2869504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // and then let it be removed from the Map. 2879463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // when this is called, the caller must be trying to add a just-compiled stmt 2889463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // to cache; i.e., caller should already have acquired database lock AND 2899463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // the lock on mCompiledQueries. do as assert of these two 2 facts. 2909463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori verifyLockOwner(); 2919463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori if (this.size() <= mMaxSqlCacheSize) { 2929463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // cache is not full. nothing needs to be removed 2939463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori return false; 2949504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori } 2959463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // cache is full. eldest will be removed. 2969463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori SQLiteCompiledSql entry = eldest.getValue(); 2979463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori if (!entry.isInUse()) { 2989463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // this {@link SQLiteCompiledSql} is not in use. release it. 2999463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori entry.releaseSqlStatement(); 3009463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori } 3019463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // return true, so that this entry is removed automatically by the caller. 3029463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori return true; 30320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori } 30420f549fd2f40db524242c9038d7d63356adf95fcVasu Nori }; 305e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 30620f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * absolute max value that can be set by {@link #setMaxSqlCacheSize(int)} 30790a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * size of each prepared-statement is between 1K - 6K, depending on the complexity of the 308ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * SQL statement & schema. 309e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 31090a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori public static final int MAX_SQL_CACHE_SIZE = 100; 311e9d9210205b280b4ea0402f78d7dd717068af650Vasu Nori private int mCacheFullWarnings; 31249d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori private static final int MAX_WARNINGS_ON_CACHESIZE_CONDITION = 1; 3135a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 3145a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** maintain stats about number of cache hits and misses */ 3155a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private int mNumCacheHits; 3165a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private int mNumCacheMisses; 3175a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 318d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori /** Used to find out where this object was created in case it never got closed. */ 3192134369e803e944af84e73dcaf9356609a5481c6Vasu Nori private final Throwable mStackTrace; 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 32190142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov // System property that enables logging of slow queries. Specify the threshold in ms. 32290142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov private static final String LOG_SLOW_QUERIES_PROPERTY = "db.log.slow_query_threshold"; 32390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov private final int mSlowQueryThreshold; 32490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov 3256f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori /** stores the list of statement ids that need to be finalized by sqlite */ 3262134369e803e944af84e73dcaf9356609a5481c6Vasu Nori private final ArrayList<Integer> mClosedStatementIds = new ArrayList<Integer>(); 3276f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori 328062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** {@link DatabaseErrorHandler} to be used when SQLite returns any of the following errors 329062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * Corruption 330062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * */ 3312134369e803e944af84e73dcaf9356609a5481c6Vasu Nori private final DatabaseErrorHandler mErrorHandler; 332062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 3336c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /** The Database connection pool {@link DatabaseConnectionPool}. 3346c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Visibility is package-private for testing purposes. otherwise, private visibility is enough. 3356c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori */ 3366c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /* package */ volatile DatabaseConnectionPool mConnectionPool = null; 3376c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 3386c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /** Each database connection handle in the pool is assigned a number 1..N, where N is the 3396c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * size of the connection pool. 3406c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * The main connection handle to which the pool is attached is assigned a value of 0. 3416c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori */ 3426c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /* package */ final short mConnectionNum; 3436c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 34465a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori /** on pooled database connections, this member points to the parent ( = main) 34565a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori * database connection handle. 34665a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori * package visibility only for testing purposes 34765a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori */ 34865a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori /* package */ SQLiteDatabase mParentConnObj = null; 34965a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori 350a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori private static final String MEMORY_DB_PATH = ":memory:"; 351a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori 3522827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori synchronized void addSQLiteClosable(SQLiteClosable closable) { 3532827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori // mPrograms is per instance of SQLiteDatabase and it doesn't actually touch the database 3542827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori // itself. so, there is no need to lock(). 3552827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori mPrograms.put(closable, null); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 357600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 3582827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori synchronized void removeSQLiteClosable(SQLiteClosable closable) { 3592827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori mPrograms.remove(closable); 360600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 361600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAllReferencesReleased() { 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpen()) { 365ad239ab8fabe53e5f82ff80fb8c9260386dd900cVasu Nori // close the database which will close all pending statements to be finalized also 366ad239ab8fabe53e5f82ff80fb8c9260386dd900cVasu Nori close(); 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to release memory that SQLite holds but does not require to 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * operate properly. Typically this memory will come from the page cache. 373600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of bytes actually released 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 376600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov static public native int releaseMemory(); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Control whether or not the SQLiteDatabase is made thread-safe by using locks 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around critical sections. This is pretty expensive, so if you know that your 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * DB will only be used by a single thread then you should set this to false. 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default is true. 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param lockingEnabled set to true to enable locks, false otherwise 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLockingEnabled(boolean lockingEnabled) { 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockingEnabled = lockingEnabled; 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If set then the SQLiteDatabase is made thread-safe by using locks 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around critical sections 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mLockingEnabled = true; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void onCorruption() { 396f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori EventLog.writeEvent(EVENT_DB_CORRUPT, mPath); 397ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori mErrorHandler.onCorruption(this); 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the database for exclusive access. The database lock must be held when 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * touch the native sqlite3* object since it is single threaded and uses 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a polling lock contention algorithm. The lock is recursive, and may be acquired 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple times by the same thread. This is a no-op if mLockingEnabled is false. 405600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlock() 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void lock() { 4097b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori verifyDbIsOpen(); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLockingEnabled) return; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the database for exclusive access. The database lock must be held when 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * touch the native sqlite3* object since it is single threaded and uses 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a polling lock contention algorithm. The lock is recursive, and may be acquired 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple times by the same thread. 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlockForced() 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void lockForced() { 4307b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori verifyDbIsOpen(); 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the database lock. This is a no-op if mLockingEnabled is false. 443600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlock() 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void unlock() { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLockingEnabled) return; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkLockHoldTime(); 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the database lock. 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlockForced() 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void unlockForced() { 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkLockHoldTime(); 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkLockHoldTime() { 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long elapsedTime = SystemClock.elapsedRealtime(); 473600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov long lockedTime = elapsedTime - mLockAcquiredWallTime; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lockedTime < LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT && 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project !Log.isLoggable(TAG, Log.VERBOSE) && 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (elapsedTime - mLastLockMessageTime) < LOCK_WARNING_WINDOW_IN_MS) { 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lockedTime > LOCK_ACQUIRED_WARNING_TIME_IN_MS) { 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int threadTime = (int) 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((Debug.threadCpuTimeNanos() - mLockAcquiredThreadTime) / 1000000); 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (threadTime > LOCK_ACQUIRED_WARNING_THREAD_TIME_IN_MS || 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lockedTime > LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT) { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastLockMessageTime = elapsedTime; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String msg = "lock held on " + mPath + " for " + lockedTime + "ms. Thread time was " 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + threadTime + "ms"; 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING_STACK_TRACE) { 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, msg, new Exception()); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, msg); 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 497ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Begins a transaction in EXCLUSIVE mode. 498ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <p> 499ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Transactions can be nested. 500ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * When the outer transaction is ended all of 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the work done in that transaction and all of the nested transactions will be committed or 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rolled back. The changes will be rolled back if any transaction is ended without being 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * marked as clean (by calling setTransactionSuccessful). Otherwise they will be committed. 504ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * </p> 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Here is the standard idiom for transactions: 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre> 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.beginTransaction(); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * try { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.setTransactionSuccessful(); 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } finally { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.endTransaction(); 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beginTransaction() { 5186c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori beginTransaction(null /* transactionStatusCallback */, true); 5196c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 5206c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 5216c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /** 5226c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Begins a transaction in IMMEDIATE mode. Transactions can be nested. When 5236c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * the outer transaction is ended all of the work done in that transaction 5246c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * and all of the nested transactions will be committed or rolled back. The 5256c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * changes will be rolled back if any transaction is ended without being 5266c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * marked as clean (by calling setTransactionSuccessful). Otherwise they 5276c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * will be committed. 5286c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 5296c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Here is the standard idiom for transactions: 5306c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * 5316c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <pre> 5326c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * db.beginTransactionNonExclusive(); 5336c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * try { 5346c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * ... 5356c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * db.setTransactionSuccessful(); 5366c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * } finally { 5376c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * db.endTransaction(); 5386c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * } 5396c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * </pre> 5406c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori */ 5416c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori public void beginTransactionNonExclusive() { 5426c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori beginTransaction(null /* transactionStatusCallback */, false); 543c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 544c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana 545c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana /** 546ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Begins a transaction in EXCLUSIVE mode. 547ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <p> 548ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Transactions can be nested. 549ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * When the outer transaction is ended all of 550c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * the work done in that transaction and all of the nested transactions will be committed or 551c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * rolled back. The changes will be rolled back if any transaction is ended without being 552c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * marked as clean (by calling setTransactionSuccessful). Otherwise they will be committed. 553ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * </p> 554c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * <p>Here is the standard idiom for transactions: 555c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * 556c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * <pre> 557c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.beginTransactionWithListener(listener); 558c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * try { 559c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * ... 560c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.setTransactionSuccessful(); 561c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * } finally { 562c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.endTransaction(); 563c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * } 564c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * </pre> 565ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * 566c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * @param transactionListener listener that should be notified when the transaction begins, 567c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * commits, or is rolled back, either explicitly or by a call to 568c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * {@link #yieldIfContendedSafely}. 569c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana */ 570c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana public void beginTransactionWithListener(SQLiteTransactionListener transactionListener) { 5716c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori beginTransaction(transactionListener, true); 5726c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 5736c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 5746c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /** 5756c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Begins a transaction in IMMEDIATE mode. Transactions can be nested. When 5766c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * the outer transaction is ended all of the work done in that transaction 5776c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * and all of the nested transactions will be committed or rolled back. The 5786c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * changes will be rolled back if any transaction is ended without being 5796c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * marked as clean (by calling setTransactionSuccessful). Otherwise they 5806c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * will be committed. 5816c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 5826c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Here is the standard idiom for transactions: 5836c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * 5846c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <pre> 5856c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * db.beginTransactionWithListenerNonExclusive(listener); 5866c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * try { 5876c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * ... 5886c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * db.setTransactionSuccessful(); 5896c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * } finally { 5906c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * db.endTransaction(); 5916c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * } 5926c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * </pre> 5936c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * 5946c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * @param transactionListener listener that should be notified when the 5956c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * transaction begins, commits, or is rolled back, either 5966c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * explicitly or by a call to {@link #yieldIfContendedSafely}. 5976c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori */ 5986c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori public void beginTransactionWithListenerNonExclusive( 5996c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori SQLiteTransactionListener transactionListener) { 6006c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori beginTransaction(transactionListener, false); 6016c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 6026c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 6036c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori private void beginTransaction(SQLiteTransactionListener transactionListener, 6046c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori boolean exclusive) { 605ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 606c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lockForced(); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean ok = false; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If this thread already had the lock then get out 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() > 1) { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String msg = "Cannot call beginTransaction between " 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "calling setTransactionSuccessful and endTransaction"; 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IllegalStateException e = new IllegalStateException(msg); 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "beginTransaction() failed", e); 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = true; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This thread didn't already have the lock, so begin a database 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // transaction now. 62457feb5d9a7fd5329c2ae5daeca0ce8f10a7372a7Vasu Nori // STOPSHIP - uncomment the following 1 line 62557feb5d9a7fd5329c2ae5daeca0ce8f10a7372a7Vasu Nori // if (exclusive) { 62657feb5d9a7fd5329c2ae5daeca0ce8f10a7372a7Vasu Nori // STOPSHIP - remove the following 1 line 62757feb5d9a7fd5329c2ae5daeca0ce8f10a7372a7Vasu Nori if (exclusive && mConnectionPool == null) { 6286c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori execSQL("BEGIN EXCLUSIVE;"); 6296c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } else { 6306c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori execSQL("BEGIN IMMEDIATE;"); 6316c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 632c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener = transactionListener; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransactionIsSuccessful = true; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = false; 635c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (transactionListener != null) { 636c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana try { 637c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana transactionListener.onBegin(); 638c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } catch (RuntimeException e) { 639c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana execSQL("ROLLBACK;"); 640c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana throw e; 641c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 642c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = true; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!ok) { 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // beginTransaction is called before the try block so we must release the lock in 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the case of failure. 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockForced(); 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * End a transaction. See beginTransaction for notes about how to use this and when transactions 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are committed and rolled back. 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void endTransaction() { 658ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyLockOwner(); 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = false; 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransactionIsSuccessful = false; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() != 1) { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 668c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana RuntimeException savedException = null; 669c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (mTransactionListener != null) { 670c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana try { 671c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (mTransactionIsSuccessful) { 672c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener.onCommit(); 673c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } else { 674c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener.onRollback(); 675c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 676c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } catch (RuntimeException e) { 677c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana savedException = e; 678c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionIsSuccessful = false; 679c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 680c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTransactionIsSuccessful) { 682b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick execSQL(COMMIT_SQL); 6836c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // if write-ahead logging is used, we have to take care of checkpoint. 6846c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // TODO: should applications be given the flexibility of choosing when to 6856c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // trigger checkpoint? 6866c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // for now, do checkpoint after every COMMIT because that is the fastest 6876c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // way to guarantee that readers will see latest data. 6886c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // but this is the slowest way to run sqlite with in write-ahead logging mode. 6896c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (this.mConnectionPool != null) { 6906c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori execSQL("PRAGMA wal_checkpoint;"); 6916c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (SQLiteDebug.DEBUG_SQL_STATEMENTS) { 6926c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori Log.i(TAG, "PRAGMA wal_Checkpoint done"); 6936c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 6946c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("ROLLBACK;"); 698c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (savedException != null) { 699c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana throw savedException; 700c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD) { 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, "exception during rollback, maybe the DB previously " 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "performed an auto-rollback"); 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 709c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener = null; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockForced(); 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGV) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "unlocked " + Thread.currentThread() 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ", holdCount is " + mLock.getHoldCount()); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Marks the current transaction as successful. Do not do any more database work between 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calling this and calling endTransaction. Do as little non-database work as possible in that 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * situation too. If any errors are encountered between this and endTransaction the transaction 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will still be committed. 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the current thread is not in a transaction or the 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transaction is already marked as successful. 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTransactionSuccessful() { 728ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLock.isHeldByCurrentThread()) { 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("no transaction pending"); 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "setTransactionSuccessful may only be called once per call to beginTransaction"); 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = true; 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return true if there is a transaction pending 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean inTransaction() { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLock.getHoldCount() > 0; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks if the database lock is held by this thread. 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true, if this thread is holding the database lock. 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDbLockedByCurrentThread() { 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLock.isHeldByCurrentThread(); 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks if the database is locked by another thread. This is 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just an estimate, since this status can change at any time, 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * including after the call is made but before the result has 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been acted upon. 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true, if the database is locked by another thread 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDbLockedByOtherThreads() { 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mLock.isHeldByCurrentThread() && mLock.isLocked(); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Temporarily end the transaction to let other threads run. The transaction is assumed to be 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * successful so far. Do not call setTransactionSuccessful before calling this. When this 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns a new transaction will have been created but not marked as successful. 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the transaction was yielded 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated if the db is locked more than once (becuase of nested transactions) then the lock 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will not be yielded. Use yieldIfContendedSafely instead. 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7754a51c20ce607c74914f90fd897f04080121ac13bDianne Hackborn @Deprecated 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean yieldIfContended() { 7775c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(false /* do not check yielding */, 7785c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana -1 /* sleepAfterYieldDelay */); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Temporarily end the transaction to let other threads run. The transaction is assumed to be 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * successful so far. Do not call setTransactionSuccessful before calling this. When this 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns a new transaction will have been created but not marked as successful. This assumes 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that there are no nested transactions (beginTransaction has only been called once) and will 7865c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * throw an exception if that is not the case. 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the transaction was yielded 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean yieldIfContendedSafely() { 7905c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(true /* check yielding */, -1 /* sleepAfterYieldDelay*/); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7935c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana /** 7945c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * Temporarily end the transaction to let other threads run. The transaction is assumed to be 7955c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * successful so far. Do not call setTransactionSuccessful before calling this. When this 7965c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * returns a new transaction will have been created but not marked as successful. This assumes 7975c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * that there are no nested transactions (beginTransaction has only been called once) and will 7985c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * throw an exception if that is not the case. 7995c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * @param sleepAfterYieldDelay if > 0, sleep this long before starting a new transaction if 8005c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * the lock was actually yielded. This will allow other background threads to make some 8015c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * more progress than they would if we started the transaction immediately. 8025c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * @return true if the transaction was yielded 8035c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana */ 8045c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana public boolean yieldIfContendedSafely(long sleepAfterYieldDelay) { 8055c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(true /* check yielding */, sleepAfterYieldDelay); 8065c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 8075c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana 8085c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana private boolean yieldIfContendedHelper(boolean checkFullyYielded, long sleepAfterYieldDelay) { 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getQueueLength() == 0) { 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reset the lock acquire time since we know that the thread was willing to yield 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the lock at this time. 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTransactionSuccessful(); 817c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana SQLiteTransactionListener transactionListener = mTransactionListener; 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project endTransaction(); 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (checkFullyYielded) { 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (this.isDbLockedByCurrentThread()) { 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Db locked more than once. yielfIfContended cannot yield"); 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8255c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana if (sleepAfterYieldDelay > 0) { 826600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // Sleep for up to sleepAfterYieldDelay milliseconds, waking up periodically to 827600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // check if anyone is using the database. If the database is not contended, 828600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // retake the lock and return. 829600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov long remainingDelay = sleepAfterYieldDelay; 830600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov while (remainingDelay > 0) { 831600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov try { 832600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov Thread.sleep(remainingDelay < SLEEP_AFTER_YIELD_QUANTUM ? 833600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov remainingDelay : SLEEP_AFTER_YIELD_QUANTUM); 834600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } catch (InterruptedException e) { 835600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov Thread.interrupted(); 836600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 837600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov remainingDelay -= SLEEP_AFTER_YIELD_QUANTUM; 838600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov if (mLock.getQueueLength() == 0) { 839600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov break; 840600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 8415c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 8425c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 843c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana beginTransactionWithListener(transactionListener); 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Maps table names to info about what to which _sync_time column to set 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to NULL on an update. This is used to support syncing. */ 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Map<String, SyncUpdateInfo> mSyncUpdateInfo = 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new HashMap<String, SyncUpdateInfo>(); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Map<String, String> getSyncedTables() { 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mSyncUpdateInfo) { 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project HashMap<String, String> tables = new HashMap<String, String>(); 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String table : mSyncUpdateInfo.keySet()) { 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info = mSyncUpdateInfo.get(table); 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info.deletedTable != null) { 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tables.put(table, info.deletedTable); 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables; 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Internal class used to keep track what needs to be marked as changed 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when an update occurs. This is used for syncing, so the sync engine 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * knows what data has been updated locally. 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private class SyncUpdateInfo { 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the SyncUpdateInfo class. 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param masterTable The table to set _sync_time to NULL in 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * master table 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey The key that refers to the primary key in table 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo(String masterTable, String deletedTable, 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String foreignKey) { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.masterTable = masterTable; 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.deletedTable = deletedTable; 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.foreignKey = foreignKey; 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The table containing the _sync_time column */ 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String masterTable; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The deleted table that corresponds to the master table */ 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String deletedTable; 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The key in the local table the row in table. It may be _id, if table 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is the local table. */ 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String foreignKey; 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to allow returning sub-classes of {@link Cursor} when calling query. 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface CursorFactory { 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SQLiteCursor#SQLiteCursor(SQLiteDatabase, SQLiteCursorDriver, 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * String, SQLiteQuery)}. 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor newCursor(SQLiteDatabase db, 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursorDriver masterQuery, String editTable, 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteQuery query); 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open the database according to the flags {@link #OPEN_READWRITE} 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #OPEN_READONLY} {@link #CREATE_IF_NECESSARY} and/or {@link #NO_LOCALIZED_COLLATORS}. 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the locale of the database to the the system's current locale. 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #setLocale} if you would like something else.</p> 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path to database file to open and/or create 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory an optional factory class that is called to instantiate a 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor when query is called, or null for default 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param flags to control database access mode 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the newly opened database 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLiteException if the database cannot be opened 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openDatabase(String path, CursorFactory factory, int flags) { 926062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return openDatabase(path, factory, flags, new DefaultDatabaseErrorHandler()); 927062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 928062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 929062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 93074f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * Open the database according to the flags {@link #OPEN_READWRITE} 93174f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * {@link #OPEN_READONLY} {@link #CREATE_IF_NECESSARY} and/or {@link #NO_LOCALIZED_COLLATORS}. 93274f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * 93374f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * <p>Sets the locale of the database to the the system's current locale. 93474f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * Call {@link #setLocale} if you would like something else.</p> 93574f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * 93674f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * <p>Accepts input param: a concrete instance of {@link DatabaseErrorHandler} to be 93774f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * used to handle corruption when sqlite reports database corruption.</p> 93874f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * 93974f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * @param path to database file to open and/or create 94074f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * @param factory an optional factory class that is called to instantiate a 94174f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * cursor when query is called, or null for default 94274f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * @param flags to control database access mode 94374f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * @param errorHandler the {@link DatabaseErrorHandler} obj to be used to handle corruption 94474f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * when sqlite reports database corruption 94574f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * @return the newly opened database 94674f170f9468d3cf6d7d0ef453320141a3e63571bVasu Nori * @throws SQLiteException if the database cannot be opened 947062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 948062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public static SQLiteDatabase openDatabase(String path, CursorFactory factory, int flags, 949062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori DatabaseErrorHandler errorHandler) { 9506c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori SQLiteDatabase sqliteDatabase = openDatabase(path, factory, flags, errorHandler, 9516c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori (short) 0 /* the main connection handle */); 952a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori 953a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori // set sqlite pagesize to mBlockSize 954a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori if (sBlockSize == 0) { 955a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori // TODO: "/data" should be a static final String constant somewhere. it is hardcoded 956a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori // in several places right now. 957a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori sBlockSize = new StatFs("/data").getBlockSize(); 958a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori } 959a8c24904ebb301d1a95f9c780aabbe4ebe7026c8Vasu Nori sqliteDatabase.setPageSize(sBlockSize); 96057feb5d9a7fd5329c2ae5daeca0ce8f10a7372a7Vasu Nori //STOPSHIP - uncomment the following line 96157feb5d9a7fd5329c2ae5daeca0ce8f10a7372a7Vasu Nori //sqliteDatabase.setJournalMode(path, "TRUNCATE"); 96257feb5d9a7fd5329c2ae5daeca0ce8f10a7372a7Vasu Nori // STOPSHIP remove the following lines 9637b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori if (!path.equalsIgnoreCase(MEMORY_DB_PATH)) { 9647b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori sqliteDatabase.enableWriteAheadLogging(); 9657b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori } 9667b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori // END STOPSHIP 967f9e2bd085f50d557ec48f4e4728fe5a79d37ede5Vasu Nori 968ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // add this database to the list of databases opened in this process 969ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori ActiveDatabases.addActiveDatabase(sqliteDatabase); 970c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return sqliteDatabase; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9736c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori private static SQLiteDatabase openDatabase(String path, CursorFactory factory, int flags, 9746c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori DatabaseErrorHandler errorHandler, short connectionNum) { 9756c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori SQLiteDatabase db = new SQLiteDatabase(path, factory, flags, errorHandler, connectionNum); 976062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 9776c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // Open the database. 9786c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori db.dbopen(path, flags); 9796c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori db.setLocale(Locale.getDefault()); 9806c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (SQLiteDebug.DEBUG_SQL_STATEMENTS) { 9816c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori db.enableSqlTracing(path, connectionNum); 9826c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 9836c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (SQLiteDebug.DEBUG_SQL_TIME) { 9846c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori db.enableSqlProfiling(path, connectionNum); 9856c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 9866c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori return db; 9876c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } catch (SQLiteDatabaseCorruptException e) { 9886c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori db.mErrorHandler.onCorruption(db); 9896c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori return SQLiteDatabase.openDatabase(path, factory, flags, errorHandler); 9906c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } catch (SQLiteException e) { 9916c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori Log.e(TAG, "Failed to open the database. closing it.", e); 9926c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori db.close(); 993062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori throw e; 994062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 995062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 996062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Equivalent to openDatabase(file.getPath(), factory, CREATE_IF_NECESSARY). 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openOrCreateDatabase(File file, CursorFactory factory) { 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openOrCreateDatabase(file.getPath(), factory); 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Equivalent to openDatabase(path, factory, CREATE_IF_NECESSARY). 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openOrCreateDatabase(String path, CursorFactory factory) { 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openDatabase(path, factory, CREATE_IF_NECESSARY); 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10126c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Equivalent to openDatabase(path, factory, CREATE_IF_NECESSARY, errorHandler). 1013062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 1014062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public static SQLiteDatabase openOrCreateDatabase(String path, CursorFactory factory, 1015062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori DatabaseErrorHandler errorHandler) { 1016062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return openDatabase(path, factory, CREATE_IF_NECESSARY, errorHandler); 1017062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 1018062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 1019a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori private void setJournalMode(final String dbPath, final String mode) { 1020a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori // journal mode can be set only for non-memory databases 1021a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori if (!dbPath.equalsIgnoreCase(MEMORY_DB_PATH)) { 1022a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori String s = DatabaseUtils.stringForQuery(this, "PRAGMA journal_mode=" + mode, null); 1023a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori if (!s.equalsIgnoreCase(mode)) { 1024a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori Log.e(TAG, "setting journal_mode to " + mode + " failed for db: " + dbPath + 1025a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori " (on pragma set journal_mode, sqlite returned:" + s); 1026a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori } 1027a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori } 1028a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori } 1029a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori 1030062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a memory backed SQLite database. Its contents will be destroyed 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the database is closed. 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the locale of the database to the the system's current locale. 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #setLocale} if you would like something else.</p> 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory an optional factory class that is called to instantiate a 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor when query is called 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a SQLiteDatabase object, or null if the database can't be created 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase create(CursorFactory factory) { 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is a magic string with special meaning for SQLite. 1043a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori return openDatabase(MEMORY_DB_PATH, factory, CREATE_IF_NECESSARY); 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close the database. 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void close() { 1050f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1051f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return; // already closed 1052f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 10537501010b71d57264a06f82937f5fb29cb9f4b509Vasu Nori if (SQLiteDebug.DEBUG_SQL_STATEMENTS) { 10547501010b71d57264a06f82937f5fb29cb9f4b509Vasu Nori Log.i(TAG, "closing db: " + mPath + " (connection # " + mConnectionNum); 10557501010b71d57264a06f82937f5fb29cb9f4b509Vasu Nori } 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeClosable(); 1059fea6f6dcb70e3fa7f60cab970ed444b5e5e2a3faVasu Nori // finalize ALL statements queued up so far 1060fea6f6dcb70e3fa7f60cab970ed444b5e5e2a3faVasu Nori closePendingStatements(); 10619d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood releaseCustomFunctions(); 1062f6373e9513002f55bbe00180a5eb9f1051d53547Vasu Nori // close this database instance - regardless of its reference count value 1063ad239ab8fabe53e5f82ff80fb8c9260386dd900cVasu Nori dbclose(); 10646c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (mConnectionPool != null) { 10656c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori mConnectionPool.close(); 10666c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void closeClosable() { 1073ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori /* deallocate all compiled SQL statement objects from mCompiledQueries cache. 1074e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * this should be done before de-referencing all {@link SQLiteClosable} objects 1075e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * from this database object because calling 1076e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * {@link SQLiteClosable#onAllReferencesReleasedFromContainer()} could cause the database 1077e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * to be closed. sqlite doesn't let a database close if there are 1078e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * any unfinalized statements - such as the compiled-sql objects in mCompiledQueries. 1079e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 1080e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori deallocCachedSqlStatements(); 1081e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<SQLiteClosable, Object>> iter = mPrograms.entrySet().iterator(); 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (iter.hasNext()) { 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<SQLiteClosable, Object> entry = iter.next(); 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteClosable program = entry.getKey(); 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (program != null) { 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project program.onAllReferencesReleasedFromContainer(); 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1091600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to close the database. 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void dbclose(); 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10989d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * A callback interface for a custom sqlite3 function. 10999d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * This can be used to create a function that can be called from 11009d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * sqlite3 database triggers. 11019d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * @hide 11029d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood */ 11039d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood public interface CustomFunction { 11049d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood public void callback(String[] args); 11059d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } 11069d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood 11079d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood /** 11089d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * Registers a CustomFunction callback as a function that can be called from 11099d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * sqlite3 database triggers. 11109d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * @param name the name of the sqlite3 function 11119d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * @param numArgs the number of arguments for the function 11129d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * @param function callback to call when the function is executed 11139d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood * @hide 11149d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood */ 11159d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood public void addCustomFunction(String name, int numArgs, CustomFunction function) { 11169d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood verifyDbIsOpen(); 11179d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood synchronized (mCustomFunctions) { 11189d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood int ref = native_addCustomFunction(name, numArgs, function); 11199d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood if (ref != 0) { 11209d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood // save a reference to the function for cleanup later 11219d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood mCustomFunctions.add(new Integer(ref)); 11229d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } else { 11239d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood throw new SQLiteException("failed to add custom function " + name); 11249d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } 11259d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } 11269d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } 11279d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood 11289d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood private void releaseCustomFunctions() { 11299d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood synchronized (mCustomFunctions) { 11309d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood for (int i = 0; i < mCustomFunctions.size(); i++) { 11319d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood Integer function = mCustomFunctions.get(i); 11329d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood native_releaseCustomFunction(function.intValue()); 11339d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } 11349d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood mCustomFunctions.clear(); 11359d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } 11369d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } 11379d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood 11389d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood // list of CustomFunction references so we can clean up when the database closes 11399d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood private final ArrayList<Integer> mCustomFunctions = 11409d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood new ArrayList<Integer>(); 11419d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood 11429d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood private native int native_addCustomFunction(String name, int numArgs, CustomFunction function); 11439d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood private native void native_releaseCustomFunction(int function); 11449d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood 11459d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood /** 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the database version. 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the database version 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getVersion() { 1151ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori return ((Long) DatabaseUtils.longForQuery(this, "PRAGMA user_version;", null)).intValue(); 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the database version. 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param version the new database version 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setVersion(int version) { 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("PRAGMA user_version = " + version); 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum size the database may grow to. 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new maximum database size 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getMaximumSize() { 1169ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori long pageCount = DatabaseUtils.longForQuery(this, "PRAGMA max_page_count;", null); 1170ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori return pageCount * getPageSize(); 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the maximum size the database will grow to. The maximum size cannot 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be set below the current size. 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBytes the maximum database size, in bytes 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new maximum database size 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long setMaximumSize(long numBytes) { 1181ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori long pageSize = getPageSize(); 1182ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori long numPages = numBytes / pageSize; 1183ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // If numBytes isn't a multiple of pageSize, bump up a page 1184ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori if ((numBytes % pageSize) != 0) { 1185ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori numPages++; 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1187ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori long newPageCount = DatabaseUtils.longForQuery(this, "PRAGMA max_page_count = " + numPages, 1188ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori null); 1189ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori return newPageCount * pageSize; 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current database page size, in bytes. 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the database page size, in bytes 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getPageSize() { 1198ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori return DatabaseUtils.longForQuery(this, "PRAGMA page_size;", null); 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the database page size. The page size must be a power of two. This 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method does not work if any data has been written to the database file, 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and must be called right after the database has been created. 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBytes the database page size, in bytes 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPageSize(long numBytes) { 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("PRAGMA page_size = " + numBytes); 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable. When an update occurs in this table the 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * _sync_dirty field will be set to ensure proper syncing operation. 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to mark as syncable 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * syncable table 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void markTableSyncable(String table, String deletedTable) { 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project markTableSyncable(table, "_id", table, deletedTable); 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable, with the _sync_dirty residing in another 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * table. When an update occurs in this table the _sync_dirty field of the 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row in updateTable with the _id in foreignKey will be set to 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ensure proper syncing operation. 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table an update on this table will trigger a sync time removal 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey this is the column in table whose value is an _id in 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param updateTable this is the table that will have its _sync_dirty 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void markTableSyncable(String table, String foreignKey, 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String updateTable) { 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project markTableSyncable(table, foreignKey, updateTable, null); 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable, with the _sync_dirty residing in another 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * table. When an update occurs in this table the _sync_dirty field of the 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row in updateTable with the _id in foreignKey will be set to 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ensure proper syncing operation. 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table an update on this table will trigger a sync time removal 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey this is the column in table whose value is an _id in 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param updateTable this is the table that will have its _sync_dirty 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void markTableSyncable(String table, String foreignKey, 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String updateTable, String deletedTable) { 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL("SELECT _sync_dirty FROM " + updateTable 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " LIMIT 0"); 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL("SELECT " + foreignKey + " FROM " + table 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " LIMIT 0"); 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info = new SyncUpdateInfo(updateTable, deletedTable, 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foreignKey); 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSyncUpdateInfo) { 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncUpdateInfo.put(table, info); 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call for each row that is updated in a cursor. 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table the row is in 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rowId the row ID of the updated row 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void rowUpdated(String table, long rowId) { 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info; 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSyncUpdateInfo) { 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info = mSyncUpdateInfo.get(table); 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info != null) { 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("UPDATE " + info.masterTable 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " SET _sync_dirty=1 WHERE _id=(SELECT " + info.foreignKey 1286ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori + " FROM " + table + " WHERE _id=?)", new String[] {String.valueOf(rowId)}); 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds the name of the first table, which is editable. 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tables a list of tables 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the first table listed 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String findEditTable(String tables) { 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(tables)) { 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // find the first word terminated by either a space or a comma 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spacepos = tables.indexOf(' '); 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int commapos = tables.indexOf(','); 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spacepos > 0 && (spacepos < commapos || commapos < 0)) { 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables.substring(0, spacepos); 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (commapos > 0 && (commapos < spacepos || spacepos < 0) ) { 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables.substring(0, commapos); 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables; 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Invalid tables"); 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compiles an SQL statement into a reusable pre-compiled statement object. 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The parameters are identical to {@link #execSQL(String)}. You may put ?s in the 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * statement and fill in those values with {@link SQLiteProgram#bindString} 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link SQLiteProgram#bindLong} each time you want to run the 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * statement. Statements may not return result sets larger than 1x1. 13192827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori *<p> 13202827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori * No two threads should be using the same {@link SQLiteStatement} at the same time. 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql The raw SQL statement, may contain ? for unknown values to be 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bound later. 1324f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A pre-compiled {@link SQLiteStatement} object. Note that 1325f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link SQLiteStatement}s are not synchronized, see the documentation for more details. 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SQLiteStatement compileStatement(String sql) throws SQLException { 1328ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 13292827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori return new SQLiteStatement(this, sql); 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given URL, returning a {@link Cursor} over the result set. 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param distinct true if you want each row to be unique, false otherwise. 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 1359f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1360f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(boolean distinct, String table, String[] columns, 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String selection, String[] selectionArgs, String groupBy, 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String having, String orderBy, String limit) { 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return queryWithFactory(null, distinct, table, columns, selection, selectionArgs, 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project groupBy, having, orderBy, limit); 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given URL, returning a {@link Cursor} over the result set. 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cursorFactory the cursor factory to use, or null for the default factory 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param distinct true if you want each row to be unique, false otherwise. 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 1398f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1399f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor queryWithFactory(CursorFactory cursorFactory, 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean distinct, String table, String[] columns, 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String selection, String[] selectionArgs, String groupBy, 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String having, String orderBy, String limit) { 1406ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String sql = SQLiteQueryBuilder.buildQueryString( 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project distinct, table, columns, selection, groupBy, having, orderBy, limit); 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rawQueryWithFactory( 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursorFactory, sql, selectionArgs, findEditTable(table)); 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given table, returning a {@link Cursor} over the result set. 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 1438f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1439f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(String table, String[] columns, String selection, 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] selectionArgs, String groupBy, String having, 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String orderBy) { 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return query(false, table, columns, selection, selectionArgs, groupBy, 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project having, orderBy, null /* limit */); 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given table, returning a {@link Cursor} over the result set. 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 1476f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1477f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(String table, String[] columns, String selection, 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] selectionArgs, String groupBy, String having, 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String orderBy, String limit) { 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return query(false, table, columns, selection, selectionArgs, groupBy, 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project having, orderBy, limit); 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a {@link Cursor} over the result set. 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 1495f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1496f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor rawQuery(String sql, String[] selectionArgs) { 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rawQueryWithFactory(null, sql, selectionArgs, null); 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a cursor over the result set. 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cursorFactory the cursor factory to use, or null for the default factory 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param editTable the name of the first table, which is editable 1511f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1512f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor rawQueryWithFactory( 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CursorFactory cursorFactory, String sql, String[] selectionArgs, 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String editTable) { 1517ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 1518cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onReadFromDisk(); 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long timeStart = 0; 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 152190142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || mSlowQueryThreshold != -1) { 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timeStart = System.currentTimeMillis(); 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15256c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori SQLiteDatabase db = getDbConnection(sql); 15266c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori SQLiteCursorDriver driver = new SQLiteDirectCursorDriver(db, sql, editTable); 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 152890142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov Cursor cursor = null; 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 153090142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov cursor = driver.query( 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursorFactory != null ? cursorFactory : mFactory, 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectionArgs); 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 153490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || mSlowQueryThreshold != -1) { 153590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov 1536020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori // Force query execution 1537020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori int count = -1; 1538020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori if (cursor != null) { 1539020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori count = cursor.getCount(); 1540020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori } 1541020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long duration = System.currentTimeMillis() - timeStart; 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 154490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || duration >= mSlowQueryThreshold) { 154590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov Log.v(SQLiteCursor.TAG, 154690142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov "query (" + duration + " ms): " + driver.toString() + ", args are " 154790142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov + (selectionArgs != null 154890142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov ? TextUtils.join(",", selectionArgs) 1549020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori : "<null>") + ", count is " + count); 155090142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov } 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15526c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori releaseDbConnection(db); 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 155490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov return cursor; 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a cursor over the result set. 1559600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * The cursor will read an initial set of rows and the return to the caller. 1560600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * It will continue to read in batches and send data changed notifications 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the later batches are ready. 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialRead set the initial count of items to read from the cursor 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxRead set the count of items to read on each iteration after the first 1568f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1569f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 1570600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 1571f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * This work is incomplete and not fully tested or reviewed, so currently 1572f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * hidden. 1573f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * @hide 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1575600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov public Cursor rawQuery(String sql, String[] selectionArgs, 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialRead, int maxRead) { 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursor c = (SQLiteCursor)rawQueryWithFactory( 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, sql, selectionArgs, null); 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.setLoadStyle(initialRead, maxRead); 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c; 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1582600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for inserting a row into the database. 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values this map contains the initial column values for the 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insert(String table, String nullColumnHack, ContentValues values) { 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 15978d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return insertWithOnConflict(table, nullColumnHack, values, CONFLICT_NONE); 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + values, e); 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for inserting a row into the database. 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values this map contains the initial column values for the 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insertOrThrow(String table, String nullColumnHack, ContentValues values) 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws SQLException { 16198d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return insertWithOnConflict(table, nullColumnHack, values, CONFLICT_NONE); 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for replacing a row in the database. 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table in which to replace the row 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this row will explicitly be 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the row. The key 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long replace(String table, String nullColumnHack, ContentValues initialValues) { 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1635600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov return insertWithOnConflict(table, nullColumnHack, initialValues, 16368d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori CONFLICT_REPLACE); 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + initialValues, e); 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for replacing a row in the database. 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table in which to replace the row 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this row will explicitly be 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the row. The key 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long replaceOrThrow(String table, String nullColumnHack, 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContentValues initialValues) throws SQLException { 1657600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov return insertWithOnConflict(table, nullColumnHack, initialValues, 16588d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori CONFLICT_REPLACE); 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * General method for inserting a row into the database. 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for the 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 16718d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * @param conflictAlgorithm for insert conflict resolver 16726eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * @return the row ID of the newly inserted row 16736eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * OR the primary key of the existing row if the input param 'conflictAlgorithm' = 16748d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * {@link #CONFLICT_IGNORE} 16756eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * OR -1 if any error 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insertWithOnConflict(String table, String nullColumnHack, 16786eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori ContentValues initialValues, int conflictAlgorithm) { 1679ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 1680cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Measurements show most sql lengths <= 152 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sql = new StringBuilder(152); 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("INSERT"); 16858d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori sql.append(CONFLICT_VALUES[conflictAlgorithm]); 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" INTO "); 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(table); 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Measurements show most values lengths < 40 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder values = new StringBuilder(40); 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Set<Map.Entry<String, Object>> entrySet = null; 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initialValues != null && initialValues.size() > 0) { 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entrySet = initialValues.valueSet(); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append('('); 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needSeparator = false; 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (entriesIter.hasNext()) { 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needSeparator) { 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(", "); 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append(", "); 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needSeparator = true; 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(entry.getKey()); 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append('?'); 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(')'); 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("(" + nullColumnHack + ") "); 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append("NULL"); 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" VALUES("); 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(values); 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(");"); 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql.toString()); 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the values 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entrySet != null) { 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = entrySet.size(); 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, entry.getValue()); 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Run the program and then cleanup 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long insertedRowId = lastInsertRow(); 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (insertedRowId == -1) { 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + initialValues + " using " + sql); 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD && Log.isLoggable(TAG, Log.VERBOSE)) { 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Inserting row " + insertedRowId + " from " 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + initialValues + " using " + sql); 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return insertedRowId; 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for deleting rows in the database. 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to delete from 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when deleting. 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will delete all rows. 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected if a whereClause is passed in, 0 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * otherwise. To remove all rows and get a count pass "1" as the 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * whereClause. 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int delete(String table, String whereClause, String[] whereArgs) { 1769ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 1770cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 1771c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement("DELETE FROM " + table 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + (!TextUtils.isEmpty(whereClause) 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? " WHERE " + whereClause : "")); 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whereArgs != null) { 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numArgs = whereArgs.length; 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numArgs; i++) { 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, whereArgs[i]); 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastChangeCount(); 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for updating rows in the database. 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to update in 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values a map from column names to new column values. null is a 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * valid value that will be translated to NULL. 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when updating. 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will update all rows. 18049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int update(String table, ContentValues values, String whereClause, String[] whereArgs) { 18078d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return updateWithOnConflict(table, values, whereClause, whereArgs, CONFLICT_NONE); 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1809600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for updating rows in the database. 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to update in 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values a map from column names to new column values. null is a 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * valid value that will be translated to NULL. 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when updating. 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will update all rows. 18188d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * @param conflictAlgorithm for update conflict resolver 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1821600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov public int updateWithOnConflict(String table, ContentValues values, 18226eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori String whereClause, String[] whereArgs, int conflictAlgorithm) { 1823cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (values == null || values.size() == 0) { 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Empty values"); 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sql = new StringBuilder(120); 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("UPDATE "); 18308d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori sql.append(CONFLICT_VALUES[conflictAlgorithm]); 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(table); 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" SET "); 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Set<Map.Entry<String, Object>> entrySet = values.valueSet(); 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (entriesIter.hasNext()) { 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(entry.getKey()); 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("=?"); 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entriesIter.hasNext()) { 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(", "); 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(whereClause)) { 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" WHERE "); 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(whereClause); 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1851ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql.toString()); 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the values 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = entrySet.size(); 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entriesIter = entrySet.iterator(); 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bindArg = 1; 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, bindArg, entry.getValue()); 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindArg++; 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whereArgs != null) { 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size = whereArgs.length; 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.bindString(bindArg, whereArgs[i]); 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindArg++; 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Run the program and then cleanup 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numChangedRows = lastChangeCount(); 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD && Log.isLoggable(TAG, Log.VERBOSE)) { 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Updated " + numChangedRows + " using " + values + " and " + sql); 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numChangedRows; 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error updating " + values + " using " + sql); 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1897ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Execute a single SQL statement that is NOT a SELECT 1898ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * or any other SQL statement that returns data. 1899ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <p> 1900ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Use of this method is discouraged as it doesn't perform well when issuing the same SQL 1901ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * statement repeatedly (see {@link #compileStatement(String)} to prepare statements for 1902ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * repeated use), and it has no means to return any data (such as the number of affected rows). 1903ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Instead, you're encouraged to use {@link #insert(String, String, ContentValues)}, 1904ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * {@link #update(String, ContentValues, String, String[])}, et al, when possible. 1905ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * </p> 19069bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * <p> 19079bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * When using {@link #enableWriteAheadLogging()}, journal_mode is 19089bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * automatically managed by this class. So, do not set journal_mode 19099bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * using "PRAGMA journal_mode'<value>" statement if your app is using 19109bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * {@link #enableWriteAheadLogging()} 19119bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * </p> 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1913ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * @param sql the SQL statement to be executed. Multiple statements separated by semicolons are 1914ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * not supported. 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException If the SQL string is invalid for some reason 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void execSQL(String sql) throws SQLException { 19188d1110383d4437eeebae337026cd91449e4e55a5Vasu Nori sql = sql.trim(); 19198d1110383d4437eeebae337026cd91449e4e55a5Vasu Nori String prefix = sql.substring(0, 6); 19208d1110383d4437eeebae337026cd91449e4e55a5Vasu Nori if (prefix.equalsIgnoreCase("ATTACH")) { 19218d1110383d4437eeebae337026cd91449e4e55a5Vasu Nori disableWriteAheadLogging(); 19228d1110383d4437eeebae337026cd91449e4e55a5Vasu Nori } 1923ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 1924cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 1925c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori long timeStart = SystemClock.uptimeMillis(); 1926c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1927722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(mLastSqlStatement, timeStart, GET_LOCK_LOG_PREFIX); 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 19296f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori closePendingStatements(); 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL(sql); 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1937b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick 1938b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Log commit statements along with the most recently executed 1939b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // SQL statement for disambiguation. Note that instance 1940b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // equality to COMMIT_SQL is safe here. 1941b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick if (sql == COMMIT_SQL) { 1942722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(mLastSqlStatement, timeStart, COMMIT_SQL); 1943b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick } else { 1944722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(sql, timeStart, null); 1945b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick } 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1949ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Execute a single SQL statement that is NOT a SELECT/INSERT/UPDATE/DELETE. 1950ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <p> 1951ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * For INSERT statements, use any of the following instead. 1952ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <ul> 1953ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>{@link #insert(String, String, ContentValues)}</li> 1954ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>{@link #insertOrThrow(String, String, ContentValues)}</li> 1955ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>{@link #insertWithOnConflict(String, String, ContentValues, int)}</li> 1956ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * </ul> 1957ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <p> 1958ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * For UPDATE statements, use any of the following instead. 1959ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <ul> 1960ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>{@link #update(String, ContentValues, String, String[])}</li> 1961ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>{@link #updateWithOnConflict(String, ContentValues, String, String[], int)}</li> 1962ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * </ul> 1963ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <p> 1964ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * For DELETE statements, use any of the following instead. 1965ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <ul> 1966ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>{@link #delete(String, String, String[])}</li> 1967ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * </ul> 1968ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <p> 1969ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * For example, the following are good candidates for using this method: 1970ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <ul> 1971ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>ALTER TABLE</li> 1972ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>CREATE or DROP table / trigger / view / index / virtual table</li> 1973ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>REINDEX</li> 1974ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>RELEASE</li> 1975ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>SAVEPOINT</li> 1976ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <li>PRAGMA that returns no data</li> 1977ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * </ul> 1978ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * </p> 19799bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * <p> 19809bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * When using {@link #enableWriteAheadLogging()}, journal_mode is 19819bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * automatically managed by this class. So, do not set journal_mode 19829bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * using "PRAGMA journal_mode'<value>" statement if your app is using 19839bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * {@link #enableWriteAheadLogging()} 19849bf225ef7b82b5eacee1907155a8a8bbb6aa7f42Vasu Nori * </p> 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1986ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * @param sql the SQL statement to be executed. Multiple statements separated by semicolons are 1987ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * not supported. 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bindArgs only byte[], String, Long and Double are supported in bindArgs. 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException If the SQL string is invalid for some reason 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void execSQL(String sql, Object[] bindArgs) throws SQLException { 1992cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bindArgs == null) { 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Empty bindArgs"); 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1996ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 1997d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick long timeStart = SystemClock.uptimeMillis(); 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql); 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bindArgs != null) { 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numArgs = bindArgs.length; 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numArgs; i++) { 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, bindArgs[i]); 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 20179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 201812311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor logTimeStat(sql, timeStart); 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 20229d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood protected void finalize() throws Throwable { 20239d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood try { 20249d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood if (isOpen()) { 20259d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood Log.e(TAG, "close() was never explicitly called on database '" + 20269d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood mPath + "' ", mStackTrace); 20279d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood closeClosable(); 20289d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood onAllReferencesReleased(); 20299d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood releaseCustomFunctions(); 20309d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } 20319d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood } finally { 20329d9c1be296db26c6ad36b8593fb77ca263422665Mike Lockwood super.finalize(); 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20372134369e803e944af84e73dcaf9356609a5481c6Vasu Nori * Private constructor. 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The full path to the database 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory The factory to use when creating cursors, may be NULL. 20419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param flags 0 or {@link #NO_LOCALIZED_COLLATORS}. If the database file already 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exists, mFlags will be updated appropriately. 20432134369e803e944af84e73dcaf9356609a5481c6Vasu Nori * @param errorHandler The {@link DatabaseErrorHandler} to be used when sqlite reports database 20442134369e803e944af84e73dcaf9356609a5481c6Vasu Nori * corruption. may be NULL. 20456c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * @param connectionNum 0 for main database connection handle. 1..N for pooled database 20466c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * connection handles. 20479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20482134369e803e944af84e73dcaf9356609a5481c6Vasu Nori private SQLiteDatabase(String path, CursorFactory factory, int flags, 20496c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori DatabaseErrorHandler errorHandler, short connectionNum) { 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (path == null) { 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("path should not be null"); 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlags = flags; 20549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 205590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov mSlowQueryThreshold = SystemProperties.getInt(LOG_SLOW_QUERIES_PROPERTY, -1); 205608b448ea39e9fabfc5212ae6f7226eba4385d189Vasu Nori mStackTrace = new DatabaseObjectNotClosedException().fillInStackTrace(); 20579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 20589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms = new WeakHashMap<SQLiteClosable,Object>(); 20592134369e803e944af84e73dcaf9356609a5481c6Vasu Nori // Set the DatabaseErrorHandler to be used when SQLite reports corruption. 20602134369e803e944af84e73dcaf9356609a5481c6Vasu Nori // If the caller sets errorHandler = null, then use default errorhandler. 20612134369e803e944af84e73dcaf9356609a5481c6Vasu Nori mErrorHandler = (errorHandler == null) ? new DefaultDatabaseErrorHandler() : errorHandler; 20626c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori mConnectionNum = connectionNum; 20639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return whether the DB is opened as read only. 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if DB is opened as read only 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isReadOnly() { 20709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mFlags & OPEN_READ_MASK) == OPEN_READONLY; 20719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the DB is currently open (has not been closed) 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isOpen() { 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNativeHandle != 0; 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean needUpgrade(int newVersion) { 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return newVersion > getVersion(); 20829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Getter for the path to the database file. 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the path to our database file. 20889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final String getPath() { 20909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPath; 20919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2093d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick /* package */ void logTimeStat(String sql, long beginMillis) { 2094722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(sql, beginMillis, null); 2095722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 2096722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 2097722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick /* package */ void logTimeStat(String sql, long beginMillis, String prefix) { 2098b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Keep track of the last statement executed here, as this is 2099b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // the common funnel through which all methods of hitting 2100b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // libsqlite eventually flow. 2101b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick mLastSqlStatement = sql; 2102b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick 2103e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Sample fast queries in proportion to the time taken. 2104e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Quantize the % first, so the logged sampling probability 2105e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // exactly equals the actual sampling rate for this query. 2106e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2107e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori int samplePercent; 2108d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick long durationMillis = SystemClock.uptimeMillis() - beginMillis; 2109722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (durationMillis == 0 && prefix == GET_LOCK_LOG_PREFIX) { 2110722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // The common case is locks being uncontended. Don't log those, 2111722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // even at 1%, which is our default below. 2112722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick return; 2113722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 2114722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (sQueryLogTimeInMillis == 0) { 2115722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick sQueryLogTimeInMillis = SystemProperties.getInt("db.db_operation.threshold_ms", 500); 2116722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 2117722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (durationMillis >= sQueryLogTimeInMillis) { 2118e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori samplePercent = 100; 2119722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } else {; 2120722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick samplePercent = (int) (100 * durationMillis / sQueryLogTimeInMillis) + 1; 2121e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (mRandom.nextInt(100) >= samplePercent) return; 21225a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 2123e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2124722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // Note: the prefix will be "COMMIT;" or "GETLOCK:" when non-null. We wait to do 2125722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // it here so we avoid allocating in the common case. 2126722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (prefix != null) { 2127722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick sql = prefix + sql; 2128722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 2129722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 2130e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (sql.length() > QUERY_LOG_SQL_LENGTH) sql = sql.substring(0, QUERY_LOG_SQL_LENGTH); 2131e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2132e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // ActivityThread.currentPackageName() only returns non-null if the 2133e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // current thread is an application main thread. This parameter tells 2134e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // us whether an event loop is blocked, and if so, which app it is. 2135e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // 2136e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Sadly, there's no fast way to determine app name if this is *not* a 2137e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // main thread, or when we are invoked via Binder (e.g. ContentProvider). 2138e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Hopefully the full path to the database will be informative enough. 2139e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 214001e4cfc47d0a2c7e7ab383d2fb23224ec52c0301Dianne Hackborn String blockingPackage = AppGlobals.getInitialPackage(); 2141e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (blockingPackage == null) blockingPackage = ""; 2142e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2143d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick EventLog.writeEvent( 2144d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick EVENT_DB_OPERATION, 2145d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick getPathForLogs(), 2146d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick sql, 2147d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick durationMillis, 2148d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick blockingPackage, 2149d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick samplePercent); 2150d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 2151d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 2152d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick /** 2153d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * Removes email addresses from database filenames before they're 2154d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * logged to the EventLog where otherwise apps could potentially 2155d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * read them. 2156d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick */ 2157d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private String getPathForLogs() { 2158d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPathForLogs != null) { 2159d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return mPathForLogs; 2160d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 2161d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPath == null) { 2162d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return null; 2163d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 2164d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPath.indexOf('@') == -1) { 2165d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick mPathForLogs = mPath; 2166d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } else { 2167d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick mPathForLogs = EMAIL_IN_DB_PATTERN.matcher(mPath).replaceAll("XX@YY"); 2168d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 2169d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return mPathForLogs; 21705a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 21715a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 21725a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 2173e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * Sets the locale for this database. Does nothing if this database has 2174e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * the NO_LOCALIZED_COLLATORS flag set or was opened read only. 2175e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @throws SQLException if the locale could not be set. The most common reason 2176e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * for this is that there is no collator available for the locale you requested. 2177e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * In this case the database remains unchanged. 21785a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 2179e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public void setLocale(Locale locale) { 2180e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori lock(); 2181e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori try { 2182e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori native_setLocale(locale.toString(), mFlags); 2183e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } finally { 2184e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori unlock(); 21855a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 21865a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 21875a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 2188ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori /* package */ void verifyDbIsOpen() { 21899463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori if (!isOpen()) { 21907501010b71d57264a06f82937f5fb29cb9f4b509Vasu Nori throw new IllegalStateException("database " + getPath() + " (conn# " + 21917501010b71d57264a06f82937f5fb29cb9f4b509Vasu Nori mConnectionNum + ") already closed"); 21929463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori } 2193ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori } 2194ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori 2195ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori /* package */ void verifyLockOwner() { 2196ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 2197ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori if (mLockingEnabled && !isDbLockedByCurrentThread()) { 21989463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori throw new IllegalStateException("Don't have database lock!"); 21999463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori } 22009463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori } 22019463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori 2202e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* 2203e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * ============================================================================ 2204e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 2205e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * The following methods deal with compiled-sql cache 2206e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * ============================================================================ 2207e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 22085a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 2209ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Adds the given SQL and its compiled-statement-id-returned-by-sqlite to the 22105a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * cache of compiledQueries attached to 'this'. 2211ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * <p> 2212ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * If there is already a {@link SQLiteCompiledSql} in compiledQueries for the given SQL, 22135a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * the new {@link SQLiteCompiledSql} object is NOT inserted into the cache (i.e.,the current 22145a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * mapping is NOT replaced with the new mapping). 22155a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 2216e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* package */ void addToCompiledQueries(String sql, SQLiteCompiledSql compiledStatement) { 22175a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori SQLiteCompiledSql compiledSql = null; 22185a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori synchronized(mCompiledQueries) { 22195a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori // don't insert the new mapping if a mapping already exists 22205a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori compiledSql = mCompiledQueries.get(sql); 22215a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (compiledSql != null) { 2222e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori return; 22235a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 222420f549fd2f40db524242c9038d7d63356adf95fcVasu Nori 22255a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (mCompiledQueries.size() == mMaxSqlCacheSize) { 222649d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori /* 222749d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori * cache size of {@link #mMaxSqlCacheSize} is not enough for this app. 222820f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * log a warning. 222920f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * chances are it is NOT using ? for bindargs - or cachesize is too small. 22305a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 223149d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori if (++mCacheFullWarnings == MAX_WARNINGS_ON_CACHESIZE_CONDITION) { 223249d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori Log.w(TAG, "Reached MAX size for compiled-sql statement cache for database " + 223320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori getPath() + ". Consider increasing cachesize."); 22345a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 223520f549fd2f40db524242c9038d7d63356adf95fcVasu Nori } 223620f549fd2f40db524242c9038d7d63356adf95fcVasu Nori /* add the given SQLiteCompiledSql compiledStatement to cache. 223720f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * no need to worry about the cache size - because {@link #mCompiledQueries} 223820f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * self-limits its size to {@link #mMaxSqlCacheSize}. 223920f549fd2f40db524242c9038d7d63356adf95fcVasu Nori */ 224020f549fd2f40db524242c9038d7d63356adf95fcVasu Nori mCompiledQueries.put(sql, compiledStatement); 224120f549fd2f40db524242c9038d7d63356adf95fcVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 224220f549fd2f40db524242c9038d7d63356adf95fcVasu Nori Log.v(TAG, "|adding_sql_to_cache|" + getPath() + "|" + 224320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori mCompiledQueries.size() + "|" + sql); 22445a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 22455a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 2246e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2247e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2248e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori private void deallocCachedSqlStatements() { 2249e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori synchronized (mCompiledQueries) { 2250e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori for (SQLiteCompiledSql compiledSql : mCompiledQueries.values()) { 2251e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori compiledSql.releaseSqlStatement(); 2252e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2253e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mCompiledQueries.clear(); 2254e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 22555a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 22565a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 22575a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 2258ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * From the compiledQueries cache, returns the compiled-statement-id for the given SQL. 2259ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Returns null, if not found in the cache. 22605a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 22615a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /* package */ SQLiteCompiledSql getCompiledStatementForSql(String sql) { 22625a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori SQLiteCompiledSql compiledStatement = null; 22635a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori boolean cacheHit; 22645a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori synchronized(mCompiledQueries) { 22655a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori cacheHit = (compiledStatement = mCompiledQueries.get(sql)) != null; 22665a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 22675a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (cacheHit) { 22685a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mNumCacheHits++; 22695a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } else { 22705a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mNumCacheMisses++; 22715a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 22725a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 22735a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 22745a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori Log.v(TAG, "|cache_stats|" + 22755a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori getPath() + "|" + mCompiledQueries.size() + 22765a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori "|" + mNumCacheHits + "|" + mNumCacheMisses + 227720f549fd2f40db524242c9038d7d63356adf95fcVasu Nori "|" + cacheHit + "|" + sql); 22785a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 22795a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori return compiledStatement; 22805a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 22815a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 2282e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 2283ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Sets the maximum size of the prepared-statement cache for this database. 2284e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * (size of the cache = number of compiled-sql-statements stored in the cache). 2285ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori *<p> 2286ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Maximum cache size can ONLY be increased from its current size (default = 10). 2287ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * If this method is called with smaller size than the current maximum value, 2288ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * then IllegalStateException is thrown. 2289ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori *<p> 2290ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * This method is thread-safe. 2291e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 229290a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * @param cacheSize the size of the cache. can be (0 to {@link #MAX_SQL_CACHE_SIZE}) 229390a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * @throws IllegalStateException if input cacheSize > {@link #MAX_SQL_CACHE_SIZE} or 229490a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * > the value set with previous setMaxSqlCacheSize() call. 22959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2296e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public synchronized void setMaxSqlCacheSize(int cacheSize) { 2297e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (cacheSize > MAX_SQL_CACHE_SIZE || cacheSize < 0) { 2298e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori throw new IllegalStateException("expected value between 0 and " + MAX_SQL_CACHE_SIZE); 2299e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } else if (cacheSize < mMaxSqlCacheSize) { 2300e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori throw new IllegalStateException("cannot set cacheSize to a value less than the value " + 2301e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori "set with previous setMaxSqlCacheSize() call."); 23029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2303e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mMaxSqlCacheSize = cacheSize; 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23066c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /* package */ boolean isSqlInStatementCache(String sql) { 23076c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori synchronized (mCompiledQueries) { 23086c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori return mCompiledQueries.containsKey(sql); 23096c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 23106c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 23116c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 23126f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori /* package */ void finalizeStatementLater(int id) { 23136f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori if (!isOpen()) { 23146f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori // database already closed. this statement will already have been finalized. 23156f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori return; 23166f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23176f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori synchronized(mClosedStatementIds) { 23186f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori if (mClosedStatementIds.contains(id)) { 23196f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori // this statement id is already queued up for finalization. 23206f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori return; 23216f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23226f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori mClosedStatementIds.add(id); 23236f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23246f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23256f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori 23266f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori /** 23276f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori * public visibility only for testing. otherwise, package visibility is sufficient 23286f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori * @hide 23296f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori */ 23306f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori public void closePendingStatements() { 23316f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori if (!isOpen()) { 23326f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori // since this database is already closed, no need to finalize anything. 23336f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori mClosedStatementIds.clear(); 23346f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori return; 23356f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23366f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori verifyLockOwner(); 23376f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori /* to minimize synchronization on mClosedStatementIds, make a copy of the list */ 23386f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori ArrayList<Integer> list = new ArrayList<Integer>(mClosedStatementIds.size()); 23396f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori synchronized(mClosedStatementIds) { 23406f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori list.addAll(mClosedStatementIds); 23416f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori mClosedStatementIds.clear(); 23426f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23436f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori // finalize all the statements from the copied list 23446f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori int size = list.size(); 23456f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori for (int i = 0; i < size; i++) { 23466f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori native_finalize(list.get(i)); 23476f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23486f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23496f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori 23506f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori /** 23516f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori * for testing only 23526f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori * @hide 23536f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori */ 23546f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori public ArrayList<Integer> getQueuedUpStmtList() { 23556f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori return mClosedStatementIds; 23566f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori } 23576f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori 23586c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /** 23596c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * This method enables parallel execution of queries from multiple threads on the same database. 23606c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * It does this by opening multiple handles to the database and using a different 23616c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * database handle for each query. 23626c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 23636c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * If a transaction is in progress on one connection handle and say, a table is updated in the 23646c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * transaction, then query on the same table on another connection handle will block for the 23656c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * transaction to complete. But this method enables such queries to execute by having them 23666c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * return old version of the data from the table. Most often it is the data that existed in the 23676c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * table prior to the above transaction updates on that table. 23686c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 23696c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Maximum number of simultaneous handles used to execute queries in parallel is 23706c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * dependent upon the device memory and possibly other properties. 23716c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 23726c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * After calling this method, execution of queries in parallel is enabled as long as this 23736c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * database handle is open. To disable execution of queries in parallel, database should 23746c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * be closed and reopened. 23756c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 23766c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * If a query is part of a transaction, then it is executed on the same database handle the 23776c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * transaction was begun. 23786c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 23796c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * If the database has any attached databases, then execution of queries in paralel is NOT 2380a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori * possible. In such cases, a message is printed to logcat and false is returned. 2381a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori * <p> 2382a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori * This feature is not available for :memory: databases. In such cases, 2383a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori * a message is printed to logcat and false is returned. 23846c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 23856c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * A typical way to use this method is the following: 23866c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <pre> 23876c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * SQLiteDatabase db = SQLiteDatabase.openDatabase("db_filename", cursorFactory, 23886c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * CREATE_IF_NECESSARY, myDatabaseErrorHandler); 23896c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * db.enableWriteAheadLogging(); 23906c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * </pre> 23916c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 23926c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Writers should use {@link #beginTransactionNonExclusive()} or 23936c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * {@link #beginTransactionWithListenerNonExclusive(SQLiteTransactionListener)} 23946c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * to start a trsnsaction. 23956c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Non-exclusive mode allows database file to be in readable by threads executing queries. 23966c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * </p> 23976c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * 2398a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori * @return true if write-ahead-logging is set. false otherwise 23996c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori */ 2400a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori public synchronized boolean enableWriteAheadLogging() { 2401a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori if (mPath.equalsIgnoreCase(MEMORY_DB_PATH)) { 2402a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori Log.i(TAG, "can't enable WAL for memory databases."); 2403a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori return false; 24046c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 24056c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 24066c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // make sure this database has NO attached databases because sqlite's write-ahead-logging 24076c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // doesn't work for databases with attached databases 24086c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (getAttachedDbs().size() > 1) { 2409a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori Log.i(TAG, "this database: " + mPath + " has attached databases. can't enable WAL."); 2410a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori return false; 24116c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 2412a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori if (mConnectionPool == null) { 2413a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori mConnectionPool = new DatabaseConnectionPool(this); 2414a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori setJournalMode(mPath, "WAL"); 24156c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 2416a98cb2632dcf07ebd8d036f61c1438f795e262ccVasu Nori return true; 24176c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 24186c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 24192827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori /** 24207b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori * This method disables the features enabled by {@link #enableWriteAheadLogging()}. 24217b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori * @hide 24222827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori */ 24237b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori public void disableWriteAheadLogging() { 24247b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori synchronized (this) { 24257b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori if (mConnectionPool == null) { 24267b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori return; 24277b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori } 24287b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori mConnectionPool.close(); 24297b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori mConnectionPool = null; 24307b04c4176d9cb2f96487ad891f4cf769bccb4f1bVasu Nori setJournalMode(mPath, "TRUNCATE"); 24318d1110383d4437eeebae337026cd91449e4e55a5Vasu Nori } 24328d1110383d4437eeebae337026cd91449e4e55a5Vasu Nori } 24338d1110383d4437eeebae337026cd91449e4e55a5Vasu Nori 243465a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori /* package */ SQLiteDatabase getDatabaseHandle(String sql) { 243565a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori if (isPooledConnection()) { 243665a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // this is a pooled database connection 243765a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori if (isOpen()) { 243865a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // TODO: use another connection from the pool 243965a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // if this connection is currently in use by some other thread 244065a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // AND if there are free connections in the pool 244165a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori return this; 244265a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } else { 244365a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // the pooled connection is not open! could have been closed either due 244465a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // to corruption on this or some other connection to the database 244565a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // OR, maybe the connection pool is disabled after this connection has been 244665a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // allocated to me. try to get some other pooled or main database connection 244765a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori return getParentDbConnObj().getDbConnection(sql); 244865a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } 244965a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } else { 245065a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // this is NOT a pooled connection. can we get one? 245165a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori return getDbConnection(sql); 245265a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } 245365a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } 245465a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori 24556c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /** 24566c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Sets the database connection handle pool size to the given value. 24576c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * Database connection handle pool is enabled when the app calls 24586c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * {@link #enableWriteAheadLogging()}. 24596c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * <p> 24606c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * The default connection handle pool is set by the system by taking into account various 24616c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * aspects of the device, such as memory, number of cores etc. It is recommended that 24626c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * applications use the default pool size set by the system. 24636c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * 24646c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * @param size the value the connection handle pool size should be set to. 24656c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori */ 24666c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori public synchronized void setConnectionPoolSize(int size) { 24676c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (mConnectionPool == null) { 24686c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori throw new IllegalStateException("connection pool not enabled"); 24696c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 24706c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori int i = mConnectionPool.getMaxPoolSize(); 24716c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (size < i) { 2472daa4e4faffd025c11b2a8618409b8496a6829664Vasu Nori throw new IllegalArgumentException( 24736c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori "cannot set max pool size to a value less than the current max value(=" + 24746c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori i + ")"); 24756c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 24766c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori mConnectionPool.setMaxPoolSize(size); 24776c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 24786c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 24796c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori /* package */ SQLiteDatabase createPoolConnection(short connectionNum) { 248065a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori SQLiteDatabase db = openDatabase(mPath, mFactory, mFlags, mErrorHandler, connectionNum); 248165a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori db.mParentConnObj = this; 248265a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori return db; 248365a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } 248465a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori 248565a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori private synchronized SQLiteDatabase getParentDbConnObj() { 248665a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori return mParentConnObj; 24876c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 24886c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 24896c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori private boolean isPooledConnection() { 24906c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori return this.mConnectionNum > 0; 24916c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 24926c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 24932827d6d974beabb12344040a002dcb52dd7106b5Vasu Nori /* package */ SQLiteDatabase getDbConnection(String sql) { 24946c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori verifyDbIsOpen(); 249565a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // this method should always be called with main database connection handle 249665a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // NEVER with pooled database connection handle 249765a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori if (isPooledConnection()) { 249865a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori throw new IllegalStateException("incorrect database connection handle"); 249965a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } 250065a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori if (Log.isLoggable(TAG, Log.DEBUG)) { 250165a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // this method shoudl never be called with anything other than SELECT 250265a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori if (sql.substring(0, 6).equalsIgnoreCase("SELECT")) { 250365a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori throw new IllegalStateException("unexpected SQL statement: " + sql); 250465a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } 250565a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori } 25066c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 25076c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // use the current connection handle if 250865a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // 1. if this thread is in a transaction 250965a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori // 2. OR, if there is NO connection handle pool setup 251065a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori if ((inTransaction() && mLock.isHeldByCurrentThread()) || mConnectionPool == null) { 251165a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori return this; 25126c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } else { 25136c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // get a connection handle from the pool 25146c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (Log.isLoggable(TAG, Log.DEBUG)) { 25156c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori assert mConnectionPool != null; 25166c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 251765a8883f0e605bb8a73a692987b47ce5da632e72Vasu Nori return mConnectionPool.get(sql); 25186c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 25196c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 25206c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 25216c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori private void releaseDbConnection(SQLiteDatabase db) { 25226c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // ignore this release call if 25236c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // 1. the database is closed 25246c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // 2. OR, if db is NOT a pooled connection handle 25256c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // 3. OR, if the database being released is same as 'this' (this condition means 25266c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // that we should always be releasing a pooled connection handle by calling this method 25276c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // from the 'main' connection handle 25286c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (!isOpen() || !db.isPooledConnection() || (db == this)) { 25296c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori return; 25306c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 25316c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (Log.isLoggable(TAG, Log.DEBUG)) { 25326c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori assert isPooledConnection(); 25336c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori assert mConnectionPool != null; 25346c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori Log.d(TAG, "releaseDbConnection threadid = " + Thread.currentThread().getId() + 25356c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori ", releasing # " + db.mConnectionNum + ", " + getPath()); 25366c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 25376c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori mConnectionPool.release(db); 25386c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 25396c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori 2540c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori static class ActiveDatabases { 2541c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private static final ActiveDatabases activeDatabases = new ActiveDatabases(); 2542c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private HashSet<WeakReference<SQLiteDatabase>> mActiveDatabases = 2543ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori new HashSet<WeakReference<SQLiteDatabase>>(); 2544c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private ActiveDatabases() {} // disable instantiation of this class 2545ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori static ActiveDatabases getInstance() { 2546ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori return activeDatabases; 2547ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori } 2548ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori private static void addActiveDatabase(SQLiteDatabase sqliteDatabase) { 2549ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori activeDatabases.mActiveDatabases.add(new WeakReference<SQLiteDatabase>(sqliteDatabase)); 2550ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori } 2551c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2552c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2553f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori /** 2554f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori * this method is used to collect data about ALL open databases in the current process. 2555f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori * bugreport is a user of this data. 2556f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori */ 2557c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /* package */ static ArrayList<DbStats> getDbStats() { 2558c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<DbStats> dbStatsList = new ArrayList<DbStats>(); 2559c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori for (WeakReference<SQLiteDatabase> w : ActiveDatabases.getInstance().mActiveDatabases) { 2560c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori SQLiteDatabase db = w.get(); 2561c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (db == null || !db.isOpen()) { 2562c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori continue; 2563c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2564c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2565ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori try { 2566ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // get SQLITE_DBSTATUS_LOOKASIDE_USED for the db 2567ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori int lookasideUsed = db.native_getDbLookaside(); 2568ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori 2569ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // get the lastnode of the dbname 2570ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori String path = db.getPath(); 2571ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori int indx = path.lastIndexOf("/"); 2572ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori String lastnode = path.substring((indx != -1) ? ++indx : 0); 2573ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori 2574ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // get list of attached dbs and for each db, get its size and pagesize 2575ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori ArrayList<Pair<String, String>> attachedDbs = db.getAttachedDbs(); 2576ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori if (attachedDbs == null) { 2577ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori continue; 2578c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2579ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori for (int i = 0; i < attachedDbs.size(); i++) { 2580ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori Pair<String, String> p = attachedDbs.get(i); 2581ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori long pageCount = DatabaseUtils.longForQuery(db, "PRAGMA " + p.first 2582ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori + ".page_count;", null); 2583ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori 2584ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // first entry in the attached db list is always the main database 2585ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // don't worry about prefixing the dbname with "main" 2586ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori String dbName; 2587ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori if (i == 0) { 2588ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori dbName = lastnode; 2589ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori } else { 2590ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // lookaside is only relevant for the main db 2591ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori lookasideUsed = 0; 2592ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori dbName = " (attached) " + p.first; 2593ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // if the attached db has a path, attach the lastnode from the path to above 2594ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori if (p.second.trim().length() > 0) { 2595ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori int idx = p.second.lastIndexOf("/"); 2596ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori dbName += " : " + p.second.substring((idx != -1) ? ++idx : 0); 2597ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori } 2598ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori } 2599ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori if (pageCount > 0) { 2600ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori dbStatsList.add(new DbStats(dbName, pageCount, db.getPageSize(), 2601ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori lookasideUsed, db.mNumCacheHits, db.mNumCacheMisses, 2602ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori db.mCompiledQueries.size())); 2603ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori } 2604f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 26056c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori // if there are pooled connections, return the cache stats for them also. 26066c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori if (db.mConnectionPool != null) { 26076c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori for (SQLiteDatabase pDb : db.mConnectionPool.getConnectionList()) { 26086c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori dbStatsList.add(new DbStats("(pooled # " + pDb.mConnectionNum + ") " 26096c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori + lastnode, 0, 0, 0, pDb.mNumCacheHits, pDb.mNumCacheMisses, 26106c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori pDb.mCompiledQueries.size())); 26116c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 26126c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori } 2613ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori } catch (SQLiteException e) { 2614ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // ignore. we don't care about exceptions when we are taking adb 2615ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori // bugreport! 2616c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2617c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2618c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return dbStatsList; 2619c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2620c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2621c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2622ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Returns list of full pathnames of all attached databases including the main database 2623ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * by executing 'pragma database_list' on the database. 2624ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * 2625062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @return ArrayList of pairs of (database name, database file path) or null if the database 2626062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * is not open. 2627c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2628062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public ArrayList<Pair<String, String>> getAttachedDbs() { 2629062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (!isOpen()) { 2630f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return null; 2631f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2632c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<Pair<String, String>> attachedDbs = new ArrayList<Pair<String, String>>(); 2633062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Cursor c = null; 2634062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 2635062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori c = rawQuery("pragma database_list;", null); 2636062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori while (c.moveToNext()) { 2637062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // sqlite returns a row for each database in the returned list of databases. 2638062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // in each row, 2639062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // 1st column is the database name such as main, or the database 2640062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // name specified on the "ATTACH" command 2641062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // 2nd column is the database file path. 2642062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori attachedDbs.add(new Pair<String, String>(c.getString(1), c.getString(2))); 2643062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2644062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } finally { 2645062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (c != null) { 2646062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori c.close(); 2647062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2648c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2649c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return attachedDbs; 2650c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2651c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 26529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2653ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Runs 'pragma integrity_check' on the given database (and all the attached databases) 2654ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * and returns true if the given database (and all its attached databases) pass integrity_check, 2655062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * false otherwise. 2656ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori *<p> 2657ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * If the result is false, then this method logs the errors reported by the integrity_check 2658062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * command execution. 2659ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori *<p> 2660ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Note that 'pragma integrity_check' on a database can take a long time. 2661062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * 2662062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @return true if the given database (and all its attached databases) pass integrity_check, 2663ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * false otherwise. 2664062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 2665062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public boolean isDatabaseIntegrityOk() { 2666ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori verifyDbIsOpen(); 2667062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori ArrayList<Pair<String, String>> attachedDbs = getAttachedDbs(); 2668062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (attachedDbs == null) { 2669062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori throw new IllegalStateException("databaselist for: " + getPath() + " couldn't " + 2670062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori "be retrieved. probably because the database is closed"); 2671062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2672062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori boolean isDatabaseCorrupt = false; 2673062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori for (int i = 0; i < attachedDbs.size(); i++) { 2674062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Pair<String, String> p = attachedDbs.get(i); 2675062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori SQLiteStatement prog = null; 2676062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 2677062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori prog = compileStatement("PRAGMA " + p.first + ".integrity_check(1);"); 2678062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori String rslt = prog.simpleQueryForString(); 2679062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (!rslt.equalsIgnoreCase("ok")) { 2680062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // integrity_checker failed on main or attached databases 2681062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori isDatabaseCorrupt = true; 2682062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Log.e(TAG, "PRAGMA integrity_check on " + p.second + " returned: " + rslt); 2683062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2684062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } finally { 2685062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (prog != null) prog.close(); 2686062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2687062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2688062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return isDatabaseCorrupt; 2689062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2690062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 2691062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 26929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to open the database. 26939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 26949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The full path to the database 26959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 26969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void dbopen(String path, int flags); 26979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 26989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2699ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Native call to setup tracing of all SQL statements 27003ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * 27013ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * @param path the full path to the database 27026c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * @param connectionNum connection number: 0 - N, where the main database 27036c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * connection handle is numbered 0 and the connection handles in the connection 27046c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * pool are numbered 1..N. 27053ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori */ 27066c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori private native void enableSqlTracing(String path, short connectionNum); 27073ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori 27083ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori /** 2709ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * Native call to setup profiling of all SQL statements. 27103ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * currently, sqlite's profiling = printing of execution-time 2711ccd954480c32e9f35357b66023ae912e7f3fa76bVasu Nori * (wall-clock time) of each of the SQL statements, as they 27123ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * are executed. 27133ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * 27143ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * @param path the full path to the database 27156c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * @param connectionNum connection number: 0 - N, where the main database 27166c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * connection handle is numbered 0 and the connection handles in the connection 27176c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori * pool are numbered 1..N. 27183ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori */ 27196c354da9436e946708fc3f3a1c0d18b18bbfdf43Vasu Nori private native void enableSqlProfiling(String path, short connectionNum); 27203ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori 27213ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori /** 27229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to execute a raw SQL statement. {@link #lock} must be held 27239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when calling this method. 27249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql The raw SQL string 27269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 27279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native void native_execSQL(String sql) throws SQLException; 27299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to set the locale. {@link #lock} must be held when calling 27329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method. 27339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 27349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native void native_setLocale(String loc, int flags); 27369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the row ID of the last row inserted into the database. 27399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the last row inserted into the database. 27419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native long lastInsertRow(); 27439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 27449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 27459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of changes made in the last statement executed. 27469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 27479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of changes made in the last statement executed. 27489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 27499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native int lastChangeCount(); 2750c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2751c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2752c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * return the SQLITE_DBSTATUS_LOOKASIDE_USED documented here 2753c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * http://www.sqlite.org/c3ref/c_dbstatus_lookaside_used.html 2754c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * @return int value of SQLITE_DBSTATUS_LOOKASIDE_USED 2755c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2756c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private native int native_getDbLookaside(); 27576f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori 27586f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori /** 27596f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori * finalizes the given statement id. 27606f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori * 27616f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori * @param statementId statement to be finzlied by sqlite 27626f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori */ 27636f37f83a4802a0d411395f3abc5f24a2cfec025dVasu Nori private final native void native_finalize(int statementId); 27649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2765