SQLiteDatabase.java revision cfda9f3a4756c71b3aadd1387419cb3b513dd400
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 195a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Noriimport com.google.android.collect.Maps; 205a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 2112311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnorimport android.app.ActivityThread; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.ContentValues; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.Cursor; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.DatabaseUtils; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.SQLException; 26c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport android.database.sqlite.SQLiteDebug.DbStats; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 2990142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikovimport android.os.SystemProperties; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.text.TextUtils; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Config; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.EventLog; 3390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikovimport android.util.Log; 34c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport android.util.Pair; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 36cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrickimport dalvik.system.BlockGuard; 37cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.File; 39c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport java.lang.ref.WeakReference; 405a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Noriimport java.text.SimpleDateFormat; 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; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Locale; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Map; 4712311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnorimport java.util.Random; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Set; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.WeakHashMap; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.concurrent.locks.ReentrantLock; 51d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrickimport java.util.regex.Pattern; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Exposes methods to manage a SQLite database. 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>SQLiteDatabase has methods to create, delete, execute SQL commands, and 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * perform other common database management tasks. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>See the Notepad sample application in the SDK for an example of creating 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and managing a database. 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> Database names must be unique within an application, not across all 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * applications. 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <h3>Localized Collation - ORDER BY</h3> 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>In addition to SQLite's default <code>BINARY</code> collator, Android supplies 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * two more, <code>LOCALIZED</code>, which changes with the system's current locale 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if you wire it up correctly (XXX a link needed!), and <code>UNICODE</code>, which 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is the Unicode Collation Algorithm and not tailored to the current locale. 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class SQLiteDatabase extends SQLiteClosable { 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Database"; 70082c2af6859dff103e781b372dfde927cc0f869fJeff Hamilton private static final int EVENT_DB_OPERATION = 52000; 71082c2af6859dff103e781b372dfde927cc0f869fJeff Hamilton private static final int EVENT_DB_CORRUPT = 75004; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Algorithms used in ON CONFLICT clause 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.sqlite.org/lang_conflict.html 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 778d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 788d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, an immediate ROLLBACK occurs, 798d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * thus ending the current transaction, and the command aborts with a 808d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * return code of SQLITE_CONSTRAINT. If no transaction is active 818d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * (other than the implied transaction that is created on every command) 828d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * then this algorithm works the same as ABORT. 838d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 848d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_ROLLBACK = 1; 85600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 868d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 878d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs,no ROLLBACK is executed 888d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * so changes from prior commands within the same transaction 898d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are preserved. This is the default behavior. 908d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 918d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_ABORT = 2; 92600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 938d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 948d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, the command aborts with a return 958d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * code SQLITE_CONSTRAINT. But any changes to the database that 968d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * the command made prior to encountering the constraint violation 978d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are preserved and are not backed out. 988d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 998d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_FAIL = 3; 100600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1018d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1028d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, the one row that contains 1038d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * the constraint violation is not inserted or changed. 1048d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * But the command continues executing normally. Other rows before and 1058d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * after the row that contained the constraint violation continue to be 1068d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * inserted or updated normally. No error is returned. 1078d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1088d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_IGNORE = 4; 109600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1108d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1118d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a UNIQUE constraint violation occurs, the pre-existing rows that 1128d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are causing the constraint violation are removed prior to inserting 1138d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * or updating the current row. Thus the insert or update always occurs. 1148d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * The command continues executing normally. No error is returned. 1158d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * If a NOT NULL constraint violation occurs, the NULL value is replaced 1168d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * by the default value for that column. If the column has no default 1178d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * value, then the ABORT algorithm is used. If a CHECK constraint 1188d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * violation occurs then the IGNORE algorithm is used. When this conflict 1198d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * resolution strategy deletes rows in order to satisfy a constraint, 1208d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * it does not invoke delete triggers on those rows. 1218d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * This behavior might change in a future release. 1228d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1238d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_REPLACE = 5; 1246eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori 1258d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1268d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * use the following when no conflict action is specified. 1278d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1288d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_NONE = 0; 1298d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori private static final String[] CONFLICT_VALUES = new String[] 1308d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori {"", " OR ROLLBACK ", " OR ABORT ", " OR FAIL ", " OR IGNORE ", " OR REPLACE "}; 131600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maximum Length Of A LIKE Or GLOB Pattern 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The pattern matching algorithm used in the default LIKE and GLOB implementation 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of SQLite can exhibit O(N^2) performance (where N is the number of characters in 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pattern) for certain pathological cases. To avoid denial-of-service attacks 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the length of the LIKE or GLOB pattern is limited to SQLITE_MAX_LIKE_PATTERN_LENGTH bytes. 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default value of this limit is 50000. A modern workstation can evaluate 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * even a pathological LIKE or GLOB pattern of 50000 bytes relatively quickly. 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The denial of service problem only comes into play when the pattern length gets 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into millions of bytes. Nevertheless, since most useful LIKE or GLOB patterns 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are at most a few dozen bytes in length, paranoid application developers may 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * want to reduce this parameter to something in the range of a few hundred 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if they know that external users are able to generate arbitrary patterns. 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int SQLITE_MAX_LIKE_PATTERN_LENGTH = 50000; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database for reading and writing. 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the disk is full, this may fail even before you actually write anything. 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@more} Note that the value of this flag is 0, so it is the default. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int OPEN_READWRITE = 0x00000000; // update native code if changing 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database for reading only. 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is the only reliable way to open a database if the disk may be full. 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int OPEN_READONLY = 0x00000001; // update native code if changing 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int OPEN_READ_MASK = 0x00000001; // update native code if changing 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database without support for localized collators. 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@more} This causes the collator <code>LOCALIZED</code> not to be created. 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You must be consistent when using this flag to use the setting the database was 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * created with. If this is set, {@link #setLocale} will do nothing. 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int NO_LOCALIZED_COLLATORS = 0x00000010; // update native code if changing 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to create the database file if it does not already exist. 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CREATE_IF_NECESSARY = 0x10000000; // update native code if changing 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the most-recently started transaction has been marked as successful. 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mInnerTransactionIsSuccessful; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Valid during the life of a transaction, and indicates whether the entire transaction (the 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * outer one and all of the inner ones) so far has been successful. 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mTransactionIsSuccessful; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana /** 190c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * Valid during the life of a transaction. 191c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana */ 192c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana private SQLiteTransactionListener mTransactionListener; 193c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Synchronize on this when accessing the database */ 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final ReentrantLock mLock = new ReentrantLock(true); 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLockAcquiredWallTime = 0L; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLockAcquiredThreadTime = 0L; 199600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // limit the frequency of complaints about each database to one within 20 sec 201600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // unless run command adb shell setprop log.tag.Database VERBOSE 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_WARNING_WINDOW_IN_MS = 20000; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** If the lock is held this long then a warning will be printed when it is released. */ 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_TIME_IN_MS = 300; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_THREAD_TIME_IN_MS = 100; 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT = 2000; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 208b43b58d3494426eda6117101635de25bb43efc20Dmitri Plotnikov private static final int SLEEP_AFTER_YIELD_QUANTUM = 1000; 209600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 210d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick // The pattern we remove from database filenames before 211d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick // potentially logging them. 212d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private static final Pattern EMAIL_IN_DB_PATTERN = Pattern.compile("[\\w\\.\\-]+@[\\w\\.\\-]+"); 213d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLastLockMessageTime = 0L; 215600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 216b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Things related to query logging/sampling for debugging 217b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // slow/frequent queries during development. Always log queries 218722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // which take (by default) 500ms+; shorter queries are sampled 219722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // accordingly. Commit statements, which are typically slow, are 220722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // logged together with the most recently executed SQL statement, 221722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // for disambiguation. The 500ms value is configurable via a 222722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // SystemProperty, but developers actively debugging database I/O 223722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // should probably use the regular log tunable, 224722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // LOG_SLOW_QUERIES_PROPERTY, defined below. 225722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick private static int sQueryLogTimeInMillis = 0; // lazily initialized 22612311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor private static final int QUERY_LOG_SQL_LENGTH = 64; 227b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick private static final String COMMIT_SQL = "COMMIT;"; 22812311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor private final Random mRandom = new Random(); 229b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick private String mLastSqlStatement = null; 23012311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor 231722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // String prefix for slow database query EventLog records that show 232722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // lock acquistions of the database. 233722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick /* package */ static final String GET_LOCK_LOG_PREFIX = "GETLOCK:"; 234722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Used by native code, do not rename */ 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ int mNativeHandle = 0; 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Used to make temp table names unique */ 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ int mTempTableSequence = 0; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The path for the database file */ 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mPath; 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 244d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick /** The anonymized path for the database file for logging purposes */ 245d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private String mPathForLogs = null; // lazily populated 246d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The flags passed to open/create */ 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFlags; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The optional factory to use when creating new Cursors */ 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CursorFactory mFactory; 252600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private WeakHashMap<SQLiteClosable, Object> mPrograms; 254600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 2555a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 2565a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * for each instance of this class, a cache is maintained to store 2575a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * the compiled query statement ids returned by sqlite database. 2585a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * key = sql statement with "?" for bind args 2595a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * value = {@link SQLiteCompiledSql} 2605a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * If an application opens the database and keeps it open during its entire life, then 2615a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * there will not be an overhead of compilation of sql statements by sqlite. 2625a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 2635a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * why is this cache NOT static? because sqlite attaches compiledsql statements to the 2645a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * struct created when {@link SQLiteDatabase#openDatabase(String, CursorFactory, int)} is 2655a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * invoked. 2665a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 2675a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * this cache has an upper limit of mMaxSqlCacheSize (settable by calling the method 2685a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * (@link setMaxCacheSize(int)}). its default is 0 - i.e., no caching by default because 2695a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * most of the apps don't use "?" syntax in their sql, caching is not useful for them. 2705a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 271e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* package */ Map<String, SQLiteCompiledSql> mCompiledQueries = Maps.newHashMap(); 272e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 273e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @hide 274e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 275e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public static final int MAX_SQL_CACHE_SIZE = 250; 276e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori private int mMaxSqlCacheSize = MAX_SQL_CACHE_SIZE; // max cache size per Database instance 277e9d9210205b280b4ea0402f78d7dd717068af650Vasu Nori private int mCacheFullWarnings; 27849d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori private static final int MAX_WARNINGS_ON_CACHESIZE_CONDITION = 1; 2795a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 2805a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** maintain stats about number of cache hits and misses */ 2815a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private int mNumCacheHits; 2825a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private int mNumCacheMisses; 2835a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 2845a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** the following 2 members maintain the time when a database is opened and closed */ 2855a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private String mTimeOpened = null; 2865a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private String mTimeClosed = null; 2875a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 288d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori /** Used to find out where this object was created in case it never got closed. */ 289d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori private Throwable mStackTrace = null; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 29190142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov // System property that enables logging of slow queries. Specify the threshold in ms. 29290142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov private static final String LOG_SLOW_QUERIES_PROPERTY = "db.log.slow_query_threshold"; 29390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov private final int mSlowQueryThreshold; 29490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param closable 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void addSQLiteClosable(SQLiteClosable closable) { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms.put(closable, null); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 306600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void removeSQLiteClosable(SQLiteClosable closable) { 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms.remove(closable); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 314600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 315600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAllReferencesReleased() { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpen()) { 3195a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 3205a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mTimeClosed = getTime(); 3215a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dbclose(); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to release memory that SQLite holds but does not require to 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * operate properly. Typically this memory will come from the page cache. 329600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of bytes actually released 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 332600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov static public native int releaseMemory(); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Control whether or not the SQLiteDatabase is made thread-safe by using locks 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around critical sections. This is pretty expensive, so if you know that your 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * DB will only be used by a single thread then you should set this to false. 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default is true. 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param lockingEnabled set to true to enable locks, false otherwise 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLockingEnabled(boolean lockingEnabled) { 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockingEnabled = lockingEnabled; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If set then the SQLiteDatabase is made thread-safe by using locks 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around critical sections 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mLockingEnabled = true; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void onCorruption() { 352f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori Log.e(TAG, "Removing corrupt database: " + mPath); 353f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori EventLog.writeEvent(EVENT_DB_CORRUPT, mPath); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Close the database (if we can), which will cause subsequent operations to fail. 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project close(); 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Delete the corrupt file. Don't re-create it now -- that would just confuse people 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // -- but the next time someone tries to open it, they can set it up from scratch. 360f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!mPath.equalsIgnoreCase(":memory")) { 361f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori // delete is only for non-memory database files 362f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori new File(mPath).delete(); 363f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the database for exclusive access. The database lock must be held when 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * touch the native sqlite3* object since it is single threaded and uses 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a polling lock contention algorithm. The lock is recursive, and may be acquired 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple times by the same thread. This is a no-op if mLockingEnabled is false. 372600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlock() 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void lock() { 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLockingEnabled) return; 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the database for exclusive access. The database lock must be held when 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * touch the native sqlite3* object since it is single threaded and uses 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a polling lock contention algorithm. The lock is recursive, and may be acquired 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple times by the same thread. 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlockForced() 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void lockForced() { 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the database lock. This is a no-op if mLockingEnabled is false. 408600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlock() 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void unlock() { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLockingEnabled) return; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkLockHoldTime(); 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the database lock. 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlockForced() 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void unlockForced() { 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkLockHoldTime(); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkLockHoldTime() { 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long elapsedTime = SystemClock.elapsedRealtime(); 438600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov long lockedTime = elapsedTime - mLockAcquiredWallTime; 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lockedTime < LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT && 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project !Log.isLoggable(TAG, Log.VERBOSE) && 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (elapsedTime - mLastLockMessageTime) < LOCK_WARNING_WINDOW_IN_MS) { 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lockedTime > LOCK_ACQUIRED_WARNING_TIME_IN_MS) { 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int threadTime = (int) 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((Debug.threadCpuTimeNanos() - mLockAcquiredThreadTime) / 1000000); 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (threadTime > LOCK_ACQUIRED_WARNING_THREAD_TIME_IN_MS || 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lockedTime > LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT) { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastLockMessageTime = elapsedTime; 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String msg = "lock held on " + mPath + " for " + lockedTime + "ms. Thread time was " 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + threadTime + "ms"; 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING_STACK_TRACE) { 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, msg, new Exception()); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, msg); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Begins a transaction. Transactions can be nested. When the outer transaction is ended all of 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the work done in that transaction and all of the nested transactions will be committed or 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rolled back. The changes will be rolled back if any transaction is ended without being 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * marked as clean (by calling setTransactionSuccessful). Otherwise they will be committed. 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Here is the standard idiom for transactions: 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre> 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.beginTransaction(); 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * try { 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.setTransactionSuccessful(); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } finally { 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.endTransaction(); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beginTransaction() { 480c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana beginTransactionWithListener(null /* transactionStatusCallback */); 481c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 482c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana 483c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana /** 484c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * Begins a transaction. Transactions can be nested. When the outer transaction is ended all of 485c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * the work done in that transaction and all of the nested transactions will be committed or 486c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * rolled back. The changes will be rolled back if any transaction is ended without being 487c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * marked as clean (by calling setTransactionSuccessful). Otherwise they will be committed. 488c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * 489c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * <p>Here is the standard idiom for transactions: 490c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * 491c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * <pre> 492c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.beginTransactionWithListener(listener); 493c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * try { 494c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * ... 495c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.setTransactionSuccessful(); 496c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * } finally { 497c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.endTransaction(); 498c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * } 499c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * </pre> 500c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * @param transactionListener listener that should be notified when the transaction begins, 501c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * commits, or is rolled back, either explicitly or by a call to 502c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * {@link #yieldIfContendedSafely}. 503c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana */ 504c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana public void beginTransactionWithListener(SQLiteTransactionListener transactionListener) { 505c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lockForced(); 506f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 507f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 508f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean ok = false; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If this thread already had the lock then get out 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() > 1) { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String msg = "Cannot call beginTransaction between " 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "calling setTransactionSuccessful and endTransaction"; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IllegalStateException e = new IllegalStateException(msg); 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "beginTransaction() failed", e); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = true; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This thread didn't already have the lock, so begin a database 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // transaction now. 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("BEGIN EXCLUSIVE;"); 527c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener = transactionListener; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransactionIsSuccessful = true; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = false; 530c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (transactionListener != null) { 531c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana try { 532c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana transactionListener.onBegin(); 533c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } catch (RuntimeException e) { 534c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana execSQL("ROLLBACK;"); 535c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana throw e; 536c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 537c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = true; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!ok) { 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // beginTransaction is called before the try block so we must release the lock in 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the case of failure. 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockForced(); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * End a transaction. See beginTransaction for notes about how to use this and when transactions 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are committed and rolled back. 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void endTransaction() { 553f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 554f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 555f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLock.isHeldByCurrentThread()) { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("no transaction pending"); 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = false; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransactionIsSuccessful = false; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() != 1) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 568c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana RuntimeException savedException = null; 569c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (mTransactionListener != null) { 570c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana try { 571c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (mTransactionIsSuccessful) { 572c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener.onCommit(); 573c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } else { 574c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener.onRollback(); 575c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 576c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } catch (RuntimeException e) { 577c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana savedException = e; 578c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionIsSuccessful = false; 579c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 580c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTransactionIsSuccessful) { 582b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick execSQL(COMMIT_SQL); 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("ROLLBACK;"); 586c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (savedException != null) { 587c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana throw savedException; 588c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD) { 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, "exception during rollback, maybe the DB previously " 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "performed an auto-rollback"); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 597c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener = null; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockForced(); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGV) { 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "unlocked " + Thread.currentThread() 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ", holdCount is " + mLock.getHoldCount()); 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Marks the current transaction as successful. Do not do any more database work between 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calling this and calling endTransaction. Do as little non-database work as possible in that 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * situation too. If any errors are encountered between this and endTransaction the transaction 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will still be committed. 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the current thread is not in a transaction or the 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transaction is already marked as successful. 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTransactionSuccessful() { 616f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 617f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 618f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLock.isHeldByCurrentThread()) { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("no transaction pending"); 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "setTransactionSuccessful may only be called once per call to beginTransaction"); 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = true; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return true if there is a transaction pending 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean inTransaction() { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLock.getHoldCount() > 0; 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks if the database lock is held by this thread. 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true, if this thread is holding the database lock. 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDbLockedByCurrentThread() { 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLock.isHeldByCurrentThread(); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks if the database is locked by another thread. This is 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just an estimate, since this status can change at any time, 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * including after the call is made but before the result has 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been acted upon. 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true, if the database is locked by another thread 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDbLockedByOtherThreads() { 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mLock.isHeldByCurrentThread() && mLock.isLocked(); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * successful so far. Do not call setTransactionSuccessful before calling this. When this 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns a new transaction will have been created but not marked as successful. 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the transaction was yielded 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated if the db is locked more than once (becuase of nested transactions) then the lock 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will not be yielded. Use yieldIfContendedSafely instead. 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6654a51c20ce607c74914f90fd897f04080121ac13bDianne Hackborn @Deprecated 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean yieldIfContended() { 6675c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(false /* do not check yielding */, 6685c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana -1 /* sleepAfterYieldDelay */); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * successful so far. Do not call setTransactionSuccessful before calling this. When this 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns a new transaction will have been created but not marked as successful. This assumes 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that there are no nested transactions (beginTransaction has only been called once) and will 6765c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * throw an exception if that is not the case. 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the transaction was yielded 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean yieldIfContendedSafely() { 6805c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(true /* check yielding */, -1 /* sleepAfterYieldDelay*/); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6835c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana /** 6845c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6855c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * successful so far. Do not call setTransactionSuccessful before calling this. When this 6865c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * returns a new transaction will have been created but not marked as successful. This assumes 6875c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * that there are no nested transactions (beginTransaction has only been called once) and will 6885c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * throw an exception if that is not the case. 6895c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * @param sleepAfterYieldDelay if > 0, sleep this long before starting a new transaction if 6905c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * the lock was actually yielded. This will allow other background threads to make some 6915c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * more progress than they would if we started the transaction immediately. 6925c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * @return true if the transaction was yielded 6935c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana */ 6945c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana public boolean yieldIfContendedSafely(long sleepAfterYieldDelay) { 6955c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(true /* check yielding */, sleepAfterYieldDelay); 6965c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 6975c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana 6985c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana private boolean yieldIfContendedHelper(boolean checkFullyYielded, long sleepAfterYieldDelay) { 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getQueueLength() == 0) { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reset the lock acquire time since we know that the thread was willing to yield 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the lock at this time. 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTransactionSuccessful(); 707c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana SQLiteTransactionListener transactionListener = mTransactionListener; 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project endTransaction(); 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (checkFullyYielded) { 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (this.isDbLockedByCurrentThread()) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Db locked more than once. yielfIfContended cannot yield"); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7155c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana if (sleepAfterYieldDelay > 0) { 716600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // Sleep for up to sleepAfterYieldDelay milliseconds, waking up periodically to 717600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // check if anyone is using the database. If the database is not contended, 718600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // retake the lock and return. 719600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov long remainingDelay = sleepAfterYieldDelay; 720600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov while (remainingDelay > 0) { 721600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov try { 722600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov Thread.sleep(remainingDelay < SLEEP_AFTER_YIELD_QUANTUM ? 723600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov remainingDelay : SLEEP_AFTER_YIELD_QUANTUM); 724600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } catch (InterruptedException e) { 725600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov Thread.interrupted(); 726600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 727600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov remainingDelay -= SLEEP_AFTER_YIELD_QUANTUM; 728600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov if (mLock.getQueueLength() == 0) { 729600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov break; 730600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 7315c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 7325c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 733c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana beginTransactionWithListener(transactionListener); 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Maps table names to info about what to which _sync_time column to set 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to NULL on an update. This is used to support syncing. */ 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Map<String, SyncUpdateInfo> mSyncUpdateInfo = 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new HashMap<String, SyncUpdateInfo>(); 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Map<String, String> getSyncedTables() { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mSyncUpdateInfo) { 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project HashMap<String, String> tables = new HashMap<String, String>(); 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String table : mSyncUpdateInfo.keySet()) { 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info = mSyncUpdateInfo.get(table); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info.deletedTable != null) { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tables.put(table, info.deletedTable); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Internal class used to keep track what needs to be marked as changed 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when an update occurs. This is used for syncing, so the sync engine 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * knows what data has been updated locally. 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private class SyncUpdateInfo { 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the SyncUpdateInfo class. 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param masterTable The table to set _sync_time to NULL in 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * master table 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey The key that refers to the primary key in table 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo(String masterTable, String deletedTable, 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String foreignKey) { 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.masterTable = masterTable; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.deletedTable = deletedTable; 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.foreignKey = foreignKey; 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The table containing the _sync_time column */ 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String masterTable; 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The deleted table that corresponds to the master table */ 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String deletedTable; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The key in the local table the row in table. It may be _id, if table 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is the local table. */ 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String foreignKey; 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to allow returning sub-classes of {@link Cursor} when calling query. 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface CursorFactory { 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SQLiteCursor#SQLiteCursor(SQLiteDatabase, SQLiteCursorDriver, 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * String, SQLiteQuery)}. 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor newCursor(SQLiteDatabase db, 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursorDriver masterQuery, String editTable, 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteQuery query); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open the database according to the flags {@link #OPEN_READWRITE} 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #OPEN_READONLY} {@link #CREATE_IF_NECESSARY} and/or {@link #NO_LOCALIZED_COLLATORS}. 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the locale of the database to the the system's current locale. 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #setLocale} if you would like something else.</p> 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path to database file to open and/or create 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory an optional factory class that is called to instantiate a 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor when query is called, or null for default 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param flags to control database access mode 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the newly opened database 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLiteException if the database cannot be opened 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openDatabase(String path, CursorFactory factory, int flags) { 816c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori SQLiteDatabase sqliteDatabase = null; 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Open the database. 819c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori sqliteDatabase = new SQLiteDatabase(path, factory, flags); 8203ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori if (SQLiteDebug.DEBUG_SQL_STATEMENTS) { 8213ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori sqliteDatabase.enableSqlTracing(path); 8223ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori } 8233ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori if (SQLiteDebug.DEBUG_SQL_TIME) { 8243ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori sqliteDatabase.enableSqlProfiling(path); 8253ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Try to recover from this, if we can. 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: should we do this for other open failures? 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Deleting and re-creating corrupt database " + path, e); 830082c2af6859dff103e781b372dfde927cc0f869fJeff Hamilton EventLog.writeEvent(EVENT_DB_CORRUPT, path); 831f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!path.equalsIgnoreCase(":memory")) { 832f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori // delete is only for non-memory database files 833f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori new File(path).delete(); 834f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 835c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori sqliteDatabase = new SQLiteDatabase(path, factory, flags); 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 837c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ActiveDatabases.getInstance().mActiveDatabases.add( 838c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori new WeakReference<SQLiteDatabase>(sqliteDatabase)); 839c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return sqliteDatabase; 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Equivalent to openDatabase(file.getPath(), factory, CREATE_IF_NECESSARY). 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openOrCreateDatabase(File file, CursorFactory factory) { 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openOrCreateDatabase(file.getPath(), factory); 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Equivalent to openDatabase(path, factory, CREATE_IF_NECESSARY). 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openOrCreateDatabase(String path, CursorFactory factory) { 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openDatabase(path, factory, CREATE_IF_NECESSARY); 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a memory backed SQLite database. Its contents will be destroyed 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the database is closed. 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the locale of the database to the the system's current locale. 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #setLocale} if you would like something else.</p> 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory an optional factory class that is called to instantiate a 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor when query is called 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a SQLiteDatabase object, or null if the database can't be created 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase create(CursorFactory factory) { 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is a magic string with special meaning for SQLite. 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openDatabase(":memory:", factory, CREATE_IF_NECESSARY); 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close the database. 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void close() { 876f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 877f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return; // already closed 878f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeClosable(); 882f6373e9513002f55bbe00180a5eb9f1051d53547Vasu Nori // close this database instance - regardless of its reference count value 883f6373e9513002f55bbe00180a5eb9f1051d53547Vasu Nori onAllReferencesReleased(); 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void closeClosable() { 890e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* deallocate all compiled sql statement objects from mCompiledQueries cache. 891e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * this should be done before de-referencing all {@link SQLiteClosable} objects 892e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * from this database object because calling 893e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * {@link SQLiteClosable#onAllReferencesReleasedFromContainer()} could cause the database 894e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * to be closed. sqlite doesn't let a database close if there are 895e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * any unfinalized statements - such as the compiled-sql objects in mCompiledQueries. 896e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 897e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori deallocCachedSqlStatements(); 898e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<SQLiteClosable, Object>> iter = mPrograms.entrySet().iterator(); 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (iter.hasNext()) { 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<SQLiteClosable, Object> entry = iter.next(); 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteClosable program = entry.getKey(); 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (program != null) { 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project program.onAllReferencesReleasedFromContainer(); 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 906600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 908600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to close the database. 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void dbclose(); 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the database version. 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the database version 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getVersion() { 920c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 921c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 922f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 923f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 924f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, "PRAGMA user_version;"); 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long version = prog.simpleQueryForLong(); 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) version; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the database version. 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param version the new database version 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setVersion(int version) { 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("PRAGMA user_version = " + version); 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum size the database may grow to. 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new maximum database size 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getMaximumSize() { 950c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 951c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 952f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 953f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 954f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA max_page_count;"); 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long pageCount = prog.simpleQueryForLong(); 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pageCount * getPageSize(); 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the maximum size the database will grow to. The maximum size cannot 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be set below the current size. 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBytes the maximum database size, in bytes 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new maximum database size 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long setMaximumSize(long numBytes) { 974c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 975c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 976f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 977f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 978f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long pageSize = getPageSize(); 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long numPages = numBytes / pageSize; 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If numBytes isn't a multiple of pageSize, bump up a page 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((numBytes % pageSize) != 0) { 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numPages++; 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA max_page_count = " + numPages); 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long newPageCount = prog.simpleQueryForLong(); 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return newPageCount * pageSize; 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current database page size, in bytes. 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the database page size, in bytes 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getPageSize() { 1002c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 1003c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1004f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1005f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1006f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA page_size;"); 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long size = prog.simpleQueryForLong(); 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the database page size. The page size must be a power of two. This 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method does not work if any data has been written to the database file, 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and must be called right after the database has been created. 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBytes the database page size, in bytes 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPageSize(long numBytes) { 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("PRAGMA page_size = " + numBytes); 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable. When an update occurs in this table the 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * _sync_dirty field will be set to ensure proper syncing operation. 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to mark as syncable 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * syncable table 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void markTableSyncable(String table, String deletedTable) { 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project markTableSyncable(table, "_id", table, deletedTable); 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable, with the _sync_dirty residing in another 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * table. When an update occurs in this table the _sync_dirty field of the 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row in updateTable with the _id in foreignKey will be set to 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ensure proper syncing operation. 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table an update on this table will trigger a sync time removal 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey this is the column in table whose value is an _id in 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param updateTable this is the table that will have its _sync_dirty 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void markTableSyncable(String table, String foreignKey, 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String updateTable) { 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project markTableSyncable(table, foreignKey, updateTable, null); 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable, with the _sync_dirty residing in another 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * table. When an update occurs in this table the _sync_dirty field of the 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row in updateTable with the _id in foreignKey will be set to 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ensure proper syncing operation. 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table an update on this table will trigger a sync time removal 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey this is the column in table whose value is an _id in 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param updateTable this is the table that will have its _sync_dirty 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void markTableSyncable(String table, String foreignKey, 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String updateTable, String deletedTable) { 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL("SELECT _sync_dirty FROM " + updateTable 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " LIMIT 0"); 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL("SELECT " + foreignKey + " FROM " + table 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " LIMIT 0"); 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info = new SyncUpdateInfo(updateTable, deletedTable, 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foreignKey); 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSyncUpdateInfo) { 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncUpdateInfo.put(table, info); 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call for each row that is updated in a cursor. 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table the row is in 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rowId the row ID of the updated row 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void rowUpdated(String table, long rowId) { 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info; 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSyncUpdateInfo) { 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info = mSyncUpdateInfo.get(table); 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info != null) { 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("UPDATE " + info.masterTable 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " SET _sync_dirty=1 WHERE _id=(SELECT " + info.foreignKey 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " FROM " + table + " WHERE _id=" + rowId + ")"); 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds the name of the first table, which is editable. 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tables a list of tables 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the first table listed 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String findEditTable(String tables) { 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(tables)) { 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // find the first word terminated by either a space or a comma 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spacepos = tables.indexOf(' '); 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int commapos = tables.indexOf(','); 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spacepos > 0 && (spacepos < commapos || commapos < 0)) { 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables.substring(0, spacepos); 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (commapos > 0 && (commapos < spacepos || spacepos < 0) ) { 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables.substring(0, commapos); 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables; 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Invalid tables"); 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compiles an SQL statement into a reusable pre-compiled statement object. 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The parameters are identical to {@link #execSQL(String)}. You may put ?s in the 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * statement and fill in those values with {@link SQLiteProgram#bindString} 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link SQLiteProgram#bindLong} each time you want to run the 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * statement. Statements may not return result sets larger than 1x1. 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql The raw SQL statement, may contain ? for unknown values to be 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bound later. 1139f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A pre-compiled {@link SQLiteStatement} object. Note that 1140f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link SQLiteStatement}s are not synchronized, see the documentation for more details. 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SQLiteStatement compileStatement(String sql) throws SQLException { 1143c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1144f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1145f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1146f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SQLiteStatement(this, sql); 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given URL, returning a {@link Cursor} over the result set. 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param distinct true if you want each row to be unique, false otherwise. 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 1181f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1182f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(boolean distinct, String table, String[] columns, 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String selection, String[] selectionArgs, String groupBy, 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String having, String orderBy, String limit) { 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return queryWithFactory(null, distinct, table, columns, selection, selectionArgs, 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project groupBy, having, orderBy, limit); 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given URL, returning a {@link Cursor} over the result set. 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cursorFactory the cursor factory to use, or null for the default factory 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param distinct true if you want each row to be unique, false otherwise. 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 1220f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1221f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor queryWithFactory(CursorFactory cursorFactory, 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean distinct, String table, String[] columns, 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String selection, String[] selectionArgs, String groupBy, 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String having, String orderBy, String limit) { 1228f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1229f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1230f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String sql = SQLiteQueryBuilder.buildQueryString( 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project distinct, table, columns, selection, groupBy, having, orderBy, limit); 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rawQueryWithFactory( 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursorFactory, sql, selectionArgs, findEditTable(table)); 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given table, returning a {@link Cursor} over the result set. 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 1262f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1263f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(String table, String[] columns, String selection, 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] selectionArgs, String groupBy, String having, 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String orderBy) { 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return query(false, table, columns, selection, selectionArgs, groupBy, 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project having, orderBy, null /* limit */); 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given table, returning a {@link Cursor} over the result set. 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 1300f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1301f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(String table, String[] columns, String selection, 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] selectionArgs, String groupBy, String having, 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String orderBy, String limit) { 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return query(false, table, columns, selection, selectionArgs, groupBy, 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project having, orderBy, limit); 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a {@link Cursor} over the result set. 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 1319f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1320f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor rawQuery(String sql, String[] selectionArgs) { 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rawQueryWithFactory(null, sql, selectionArgs, null); 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a cursor over the result set. 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cursorFactory the cursor factory to use, or null for the default factory 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param editTable the name of the first table, which is editable 1335f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1336f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor rawQueryWithFactory( 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CursorFactory cursorFactory, String sql, String[] selectionArgs, 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String editTable) { 1341f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1342f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1343f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 1344cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onReadFromDisk(); 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long timeStart = 0; 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 134790142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || mSlowQueryThreshold != -1) { 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timeStart = System.currentTimeMillis(); 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursorDriver driver = new SQLiteDirectCursorDriver(this, sql, editTable); 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 135390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov Cursor cursor = null; 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 135590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov cursor = driver.query( 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursorFactory != null ? cursorFactory : mFactory, 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectionArgs); 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 135990142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || mSlowQueryThreshold != -1) { 136090142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov 1361020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori // Force query execution 1362020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori int count = -1; 1363020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori if (cursor != null) { 1364020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori count = cursor.getCount(); 1365020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori } 1366020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long duration = System.currentTimeMillis() - timeStart; 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 136990142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || duration >= mSlowQueryThreshold) { 137090142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov Log.v(SQLiteCursor.TAG, 137190142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov "query (" + duration + " ms): " + driver.toString() + ", args are " 137290142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov + (selectionArgs != null 137390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov ? TextUtils.join(",", selectionArgs) 1374020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori : "<null>") + ", count is " + count); 137590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov } 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 137890142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov return cursor; 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a cursor over the result set. 1383600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * The cursor will read an initial set of rows and the return to the caller. 1384600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * It will continue to read in batches and send data changed notifications 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the later batches are ready. 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialRead set the initial count of items to read from the cursor 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxRead set the count of items to read on each iteration after the first 1392f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * @return A {@link Cursor} object, which is positioned before the first entry. Note that 1393f3ca9a5c7e87319c934b5815566054d2e5c2085fJeff Hamilton * {@link Cursor}s are not synchronized, see the documentation for more details. 1394600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 1395f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * This work is incomplete and not fully tested or reviewed, so currently 1396f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * hidden. 1397f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * @hide 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1399600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov public Cursor rawQuery(String sql, String[] selectionArgs, 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialRead, int maxRead) { 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursor c = (SQLiteCursor)rawQueryWithFactory( 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, sql, selectionArgs, null); 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.setLoadStyle(initialRead, maxRead); 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c; 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1406600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for inserting a row into the database. 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values this map contains the initial column values for the 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insert(String table, String nullColumnHack, ContentValues values) { 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 14218d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return insertWithOnConflict(table, nullColumnHack, values, CONFLICT_NONE); 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + values, e); 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for inserting a row into the database. 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values this map contains the initial column values for the 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insertOrThrow(String table, String nullColumnHack, ContentValues values) 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws SQLException { 14438d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return insertWithOnConflict(table, nullColumnHack, values, CONFLICT_NONE); 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for replacing a row in the database. 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table in which to replace the row 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this row will explicitly be 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the row. The key 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long replace(String table, String nullColumnHack, ContentValues initialValues) { 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1459600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov return insertWithOnConflict(table, nullColumnHack, initialValues, 14608d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori CONFLICT_REPLACE); 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + initialValues, e); 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for replacing a row in the database. 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table in which to replace the row 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this row will explicitly be 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the row. The key 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long replaceOrThrow(String table, String nullColumnHack, 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContentValues initialValues) throws SQLException { 1481600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov return insertWithOnConflict(table, nullColumnHack, initialValues, 14828d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori CONFLICT_REPLACE); 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * General method for inserting a row into the database. 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for the 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 14958d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * @param conflictAlgorithm for insert conflict resolver 14966eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * @return the row ID of the newly inserted row 14976eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * OR the primary key of the existing row if the input param 'conflictAlgorithm' = 14988d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * {@link #CONFLICT_IGNORE} 14996eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * OR -1 if any error 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insertWithOnConflict(String table, String nullColumnHack, 15026eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori ContentValues initialValues, int conflictAlgorithm) { 1503cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isOpen()) { 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("database not open"); 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Measurements show most sql lengths <= 152 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sql = new StringBuilder(152); 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("INSERT"); 15118d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori sql.append(CONFLICT_VALUES[conflictAlgorithm]); 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" INTO "); 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(table); 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Measurements show most values lengths < 40 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder values = new StringBuilder(40); 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Set<Map.Entry<String, Object>> entrySet = null; 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initialValues != null && initialValues.size() > 0) { 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entrySet = initialValues.valueSet(); 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append('('); 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needSeparator = false; 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (entriesIter.hasNext()) { 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needSeparator) { 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(", "); 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append(", "); 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needSeparator = true; 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(entry.getKey()); 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append('?'); 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(')'); 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("(" + nullColumnHack + ") "); 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append("NULL"); 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" VALUES("); 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(values); 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(");"); 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql.toString()); 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the values 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entrySet != null) { 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = entrySet.size(); 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, entry.getValue()); 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Run the program and then cleanup 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long insertedRowId = lastInsertRow(); 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (insertedRowId == -1) { 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + initialValues + " using " + sql); 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD && Log.isLoggable(TAG, Log.VERBOSE)) { 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Inserting row " + insertedRowId + " from " 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + initialValues + " using " + sql); 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return insertedRowId; 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for deleting rows in the database. 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to delete from 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when deleting. 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will delete all rows. 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected if a whereClause is passed in, 0 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * otherwise. To remove all rows and get a count pass "1" as the 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * whereClause. 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int delete(String table, String whereClause, String[] whereArgs) { 1595cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 1596c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isOpen()) { 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("database not open"); 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement("DELETE FROM " + table 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + (!TextUtils.isEmpty(whereClause) 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? " WHERE " + whereClause : "")); 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whereArgs != null) { 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numArgs = whereArgs.length; 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numArgs; i++) { 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, whereArgs[i]); 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastChangeCount(); 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for updating rows in the database. 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to update in 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values a map from column names to new column values. null is a 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * valid value that will be translated to NULL. 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when updating. 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will update all rows. 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int update(String table, ContentValues values, String whereClause, String[] whereArgs) { 16358d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return updateWithOnConflict(table, values, whereClause, whereArgs, CONFLICT_NONE); 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1637600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for updating rows in the database. 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to update in 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values a map from column names to new column values. null is a 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * valid value that will be translated to NULL. 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when updating. 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will update all rows. 16468d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * @param conflictAlgorithm for update conflict resolver 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1649600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov public int updateWithOnConflict(String table, ContentValues values, 16506eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori String whereClause, String[] whereArgs, int conflictAlgorithm) { 1651cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (values == null || values.size() == 0) { 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Empty values"); 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sql = new StringBuilder(120); 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("UPDATE "); 16588d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori sql.append(CONFLICT_VALUES[conflictAlgorithm]); 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(table); 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" SET "); 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Set<Map.Entry<String, Object>> entrySet = values.valueSet(); 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (entriesIter.hasNext()) { 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(entry.getKey()); 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("=?"); 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entriesIter.hasNext()) { 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(", "); 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(whereClause)) { 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" WHERE "); 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(whereClause); 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 1680c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori if (!isOpen()) { 1681c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori throw new IllegalStateException("database not open"); 1682c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori } 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql.toString()); 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the values 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = entrySet.size(); 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entriesIter = entrySet.iterator(); 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bindArg = 1; 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, bindArg, entry.getValue()); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindArg++; 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whereArgs != null) { 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size = whereArgs.length; 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.bindString(bindArg, whereArgs[i]); 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindArg++; 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Run the program and then cleanup 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numChangedRows = lastChangeCount(); 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD && Log.isLoggable(TAG, Log.VERBOSE)) { 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Updated " + numChangedRows + " using " + values + " and " + sql); 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numChangedRows; 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error updating " + values + " using " + sql); 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Execute a single SQL statement that is not a query. For example, CREATE 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TABLE, DELETE, INSERT, etc. Multiple statements separated by ;s are not 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * supported. it takes a write lock 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException If the SQL string is invalid for some reason 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void execSQL(String sql) throws SQLException { 1734cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 1735c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori long timeStart = SystemClock.uptimeMillis(); 1736c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1737f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1738f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1739f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 1740722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(mLastSqlStatement, timeStart, GET_LOCK_LOG_PREFIX); 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL(sql); 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick 1750b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Log commit statements along with the most recently executed 1751b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // SQL statement for disambiguation. Note that instance 1752b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // equality to COMMIT_SQL is safe here. 1753b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick if (sql == COMMIT_SQL) { 1754722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(mLastSqlStatement, timeStart, COMMIT_SQL); 1755b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick } else { 1756722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(sql, timeStart, null); 1757b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick } 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Execute a single SQL statement that is not a query. For example, CREATE 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TABLE, DELETE, INSERT, etc. Multiple statements separated by ;s are not 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * supported. it takes a write lock, 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bindArgs only byte[], String, Long and Double are supported in bindArgs. 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException If the SQL string is invalid for some reason 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void execSQL(String sql, Object[] bindArgs) throws SQLException { 1770cfda9f3a4756c71b3aadd1387419cb3b513dd400Brad Fitzpatrick BlockGuard.getThreadPolicy().onWriteToDisk(); 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bindArgs == null) { 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Empty bindArgs"); 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1774d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick long timeStart = SystemClock.uptimeMillis(); 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 1776c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori if (!isOpen()) { 1777c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori throw new IllegalStateException("database not open"); 1778c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori } 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql); 17829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bindArgs != null) { 17839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numArgs = bindArgs.length; 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numArgs; i++) { 17859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, bindArgs[i]); 17869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 179812311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor logTimeStat(sql, timeStart); 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpen()) { 1804d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori Log.e(TAG, "close() was never explicitly called on database '" + 1805d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori mPath + "' ", mStackTrace); 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeClosable(); 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onAllReferencesReleased(); 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Private constructor. See {@link #create} and {@link #openDatabase}. 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The full path to the database 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory The factory to use when creating cursors, may be NULL. 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param flags 0 or {@link #NO_LOCALIZED_COLLATORS}. If the database file already 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exists, mFlags will be updated appropriately. 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SQLiteDatabase(String path, CursorFactory factory, int flags) { 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (path == null) { 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("path should not be null"); 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlags = flags; 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 182590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov mSlowQueryThreshold = SystemProperties.getInt(LOG_SLOW_QUERIES_PROPERTY, -1); 182608b448ea39e9fabfc5212ae6f7226eba4385d189Vasu Nori mStackTrace = new DatabaseObjectNotClosedException().fillInStackTrace(); 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dbopen(mPath, mFlags); 18295a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 18305a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mTimeOpened = getTime(); 18315a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms = new WeakHashMap<SQLiteClosable,Object>(); 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setLocale(Locale.getDefault()); 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RuntimeException e) { 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Failed to setLocale() when constructing, closing the database", e); 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dbclose(); 18385a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 18395a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mTimeClosed = getTime(); 18405a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18455a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private String getTime() { 18465a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS ").format(System.currentTimeMillis()); 18475a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 18485a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return whether the DB is opened as read only. 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if DB is opened as read only 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isReadOnly() { 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mFlags & OPEN_READ_MASK) == OPEN_READONLY; 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the DB is currently open (has not been closed) 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isOpen() { 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNativeHandle != 0; 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean needUpgrade(int newVersion) { 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return newVersion > getVersion(); 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Getter for the path to the database file. 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the path to our database file. 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final String getPath() { 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPath; 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1877d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick /* package */ void logTimeStat(String sql, long beginMillis) { 1878722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(sql, beginMillis, null); 1879722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1880722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 1881722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick /* package */ void logTimeStat(String sql, long beginMillis, String prefix) { 1882b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Keep track of the last statement executed here, as this is 1883b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // the common funnel through which all methods of hitting 1884b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // libsqlite eventually flow. 1885b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick mLastSqlStatement = sql; 1886b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick 1887e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Sample fast queries in proportion to the time taken. 1888e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Quantize the % first, so the logged sampling probability 1889e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // exactly equals the actual sampling rate for this query. 1890e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1891e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori int samplePercent; 1892d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick long durationMillis = SystemClock.uptimeMillis() - beginMillis; 1893722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (durationMillis == 0 && prefix == GET_LOCK_LOG_PREFIX) { 1894722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // The common case is locks being uncontended. Don't log those, 1895722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // even at 1%, which is our default below. 1896722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick return; 1897722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1898722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (sQueryLogTimeInMillis == 0) { 1899722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick sQueryLogTimeInMillis = SystemProperties.getInt("db.db_operation.threshold_ms", 500); 1900722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1901722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (durationMillis >= sQueryLogTimeInMillis) { 1902e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori samplePercent = 100; 1903722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } else {; 1904722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick samplePercent = (int) (100 * durationMillis / sQueryLogTimeInMillis) + 1; 1905e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (mRandom.nextInt(100) >= samplePercent) return; 19065a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 1907e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1908722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // Note: the prefix will be "COMMIT;" or "GETLOCK:" when non-null. We wait to do 1909722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // it here so we avoid allocating in the common case. 1910722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (prefix != null) { 1911722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick sql = prefix + sql; 1912722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1913722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 1914e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (sql.length() > QUERY_LOG_SQL_LENGTH) sql = sql.substring(0, QUERY_LOG_SQL_LENGTH); 1915e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1916e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // ActivityThread.currentPackageName() only returns non-null if the 1917e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // current thread is an application main thread. This parameter tells 1918e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // us whether an event loop is blocked, and if so, which app it is. 1919e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // 1920e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Sadly, there's no fast way to determine app name if this is *not* a 1921e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // main thread, or when we are invoked via Binder (e.g. ContentProvider). 1922e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Hopefully the full path to the database will be informative enough. 1923e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1924e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori String blockingPackage = ActivityThread.currentPackageName(); 1925e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (blockingPackage == null) blockingPackage = ""; 1926e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1927d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick EventLog.writeEvent( 1928d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick EVENT_DB_OPERATION, 1929d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick getPathForLogs(), 1930d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick sql, 1931d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick durationMillis, 1932d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick blockingPackage, 1933d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick samplePercent); 1934d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1935d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 1936d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick /** 1937d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * Removes email addresses from database filenames before they're 1938d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * logged to the EventLog where otherwise apps could potentially 1939d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * read them. 1940d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick */ 1941d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private String getPathForLogs() { 1942d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPathForLogs != null) { 1943d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return mPathForLogs; 1944d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1945d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPath == null) { 1946d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return null; 1947d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1948d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPath.indexOf('@') == -1) { 1949d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick mPathForLogs = mPath; 1950d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } else { 1951d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick mPathForLogs = EMAIL_IN_DB_PATTERN.matcher(mPath).replaceAll("XX@YY"); 1952d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1953d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return mPathForLogs; 19545a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19555a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 19565a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 1957e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * Sets the locale for this database. Does nothing if this database has 1958e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * the NO_LOCALIZED_COLLATORS flag set or was opened read only. 1959e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @throws SQLException if the locale could not be set. The most common reason 1960e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * for this is that there is no collator available for the locale you requested. 1961e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * In this case the database remains unchanged. 19625a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 1963e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public void setLocale(Locale locale) { 1964e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori lock(); 1965e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori try { 1966e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori native_setLocale(locale.toString(), mFlags); 1967e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } finally { 1968e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori unlock(); 19695a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19705a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19715a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 1972e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* 1973e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * ============================================================================ 1974e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 1975e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * The following methods deal with compiled-sql cache 1976e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * ============================================================================ 1977e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 19785a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 19795a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * adds the given sql and its compiled-statement-id-returned-by-sqlite to the 19805a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * cache of compiledQueries attached to 'this'. 19815a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 19825a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * if there is already a {@link SQLiteCompiledSql} in compiledQueries for the given sql, 19835a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * the new {@link SQLiteCompiledSql} object is NOT inserted into the cache (i.e.,the current 19845a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * mapping is NOT replaced with the new mapping). 19855a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 1986e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* package */ void addToCompiledQueries(String sql, SQLiteCompiledSql compiledStatement) { 19875a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (mMaxSqlCacheSize == 0) { 19885a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori // for this database, there is no cache of compiled sql. 19895a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 19905a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori Log.v(TAG, "|NOT adding_sql_to_cache|" + getPath() + "|" + sql); 19915a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 1992e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori return; 19935a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19945a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 19955a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori SQLiteCompiledSql compiledSql = null; 19965a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori synchronized(mCompiledQueries) { 19975a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori // don't insert the new mapping if a mapping already exists 19985a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori compiledSql = mCompiledQueries.get(sql); 19995a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (compiledSql != null) { 2000e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori return; 20015a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20025a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori // add this <sql, compiledStatement> to the cache 20035a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (mCompiledQueries.size() == mMaxSqlCacheSize) { 200449d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori /* 200549d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori * cache size of {@link #mMaxSqlCacheSize} is not enough for this app. 200649d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori * log a warning MAX_WARNINGS_ON_CACHESIZE_CONDITION times 200749d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori * chances are it is NOT using ? for bindargs - so caching is useless. 200849d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori * TODO: either let the callers set max cchesize for their app, or intelligently 200949d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori * figure out what should be cached for a given app. 20105a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 201149d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori if (++mCacheFullWarnings == MAX_WARNINGS_ON_CACHESIZE_CONDITION) { 201249d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori Log.w(TAG, "Reached MAX size for compiled-sql statement cache for database " + 201349d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori getPath() + "; i.e., NO space for this sql statement in cache: " + 201449d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori sql + ". Please change your sql statements to use '?' for " + 201549d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori "bindargs, instead of using actual values"); 201649d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori } 201749d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori // don't add this entry to cache 201849d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori } else { 201949d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori // cache is NOT full. add this to cache. 202049d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori mCompiledQueries.put(sql, compiledStatement); 202149d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 202249d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori Log.v(TAG, "|adding_sql_to_cache|" + getPath() + "|" + 202349d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori mCompiledQueries.size() + "|" + sql); 20245a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20255a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20265a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 2027e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori return; 2028e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2029e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2030e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2031e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori private void deallocCachedSqlStatements() { 2032e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori synchronized (mCompiledQueries) { 2033e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori for (SQLiteCompiledSql compiledSql : mCompiledQueries.values()) { 2034e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori compiledSql.releaseSqlStatement(); 2035e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2036e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mCompiledQueries.clear(); 2037e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 20385a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20395a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 20405a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 20415a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * from the compiledQueries cache, returns the compiled-statement-id for the given sql. 20425a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * returns null, if not found in the cache. 20435a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 20445a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /* package */ SQLiteCompiledSql getCompiledStatementForSql(String sql) { 20455a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori SQLiteCompiledSql compiledStatement = null; 20465a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori boolean cacheHit; 20475a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori synchronized(mCompiledQueries) { 20485a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (mMaxSqlCacheSize == 0) { 20495a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori // for this database, there is no cache of compiled sql. 20505a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 20515a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori Log.v(TAG, "|cache NOT found|" + getPath()); 20525a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20535a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori return null; 20545a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20555a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori cacheHit = (compiledStatement = mCompiledQueries.get(sql)) != null; 20565a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20575a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (cacheHit) { 20585a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mNumCacheHits++; 20595a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } else { 20605a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mNumCacheMisses++; 20615a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20625a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 20635a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 20645a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori Log.v(TAG, "|cache_stats|" + 20655a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori getPath() + "|" + mCompiledQueries.size() + 20665a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori "|" + mNumCacheHits + "|" + mNumCacheMisses + 20675a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori "|" + cacheHit + "|" + mTimeOpened + "|" + mTimeClosed + "|" + sql); 20685a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20695a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori return compiledStatement; 20705a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20715a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 2072e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 2073e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * returns true if the given sql is cached in compiled-sql cache. 2074e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @hide 2075e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 2076e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public boolean isInCompiledSqlCache(String sql) { 2077e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori synchronized(mCompiledQueries) { 2078e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori return mCompiledQueries.containsKey(sql); 207912311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor } 2080e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 208112311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor 2082e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 2083e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * purges the given sql from the compiled-sql cache. 2084e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @hide 2085e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 2086e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public void purgeFromCompiledSqlCache(String sql) { 2087e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori synchronized(mCompiledQueries) { 2088e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mCompiledQueries.remove(sql); 2089e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2090e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 209112311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor 2092e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 2093e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * remove everything from the compiled sql cache 2094e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @hide 2095e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 2096e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public void resetCompiledSqlCache() { 2097e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori synchronized(mCompiledQueries) { 2098e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mCompiledQueries.clear(); 2099e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2100e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 210112311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor 2102e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 2103e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * return the current maxCacheSqlCacheSize 2104e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @hide 2105e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 2106e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public synchronized int getMaxSqlCacheSize() { 2107e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori return mMaxSqlCacheSize; 21089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2111e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * set the max size of the compiled sql cache for this database after purging the cache. 2112e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * (size of the cache = number of compiled-sql-statements stored in the cache). 2113e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 2114e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * max cache size can ONLY be increased from its current size (default = 0). 2115e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * if this method is called with smaller size than the current value of mMaxSqlCacheSize, 2116e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * then IllegalStateException is thrown 2117e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 2118e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * synchronized because we don't want t threads to change cache size at the same time. 2119e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @param cacheSize the size of the cache. can be (0 to MAX_SQL_CACHE_SIZE) 2120e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @throws IllegalStateException if input cacheSize > MAX_SQL_CACHE_SIZE or < 0 or 2121e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * < the value set with previous setMaxSqlCacheSize() call. 2122e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 2123e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @hide 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2125e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public synchronized void setMaxSqlCacheSize(int cacheSize) { 2126e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (cacheSize > MAX_SQL_CACHE_SIZE || cacheSize < 0) { 2127e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori throw new IllegalStateException("expected value between 0 and " + MAX_SQL_CACHE_SIZE); 2128e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } else if (cacheSize < mMaxSqlCacheSize) { 2129e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori throw new IllegalStateException("cannot set cacheSize to a value less than the value " + 2130e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori "set with previous setMaxSqlCacheSize() call."); 21319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2132e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mMaxSqlCacheSize = cacheSize; 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2135c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori static class ActiveDatabases { 2136c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private static final ActiveDatabases activeDatabases = new ActiveDatabases(); 2137c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private HashSet<WeakReference<SQLiteDatabase>> mActiveDatabases = 2138c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori new HashSet<WeakReference<SQLiteDatabase>>(); 2139c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private ActiveDatabases() {} // disable instantiation of this class 2140c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori static ActiveDatabases getInstance() {return activeDatabases;} 2141c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2142c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2143f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori /** 2144f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori * this method is used to collect data about ALL open databases in the current process. 2145f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori * bugreport is a user of this data. 2146f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori */ 2147c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /* package */ static ArrayList<DbStats> getDbStats() { 2148c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<DbStats> dbStatsList = new ArrayList<DbStats>(); 2149c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori for (WeakReference<SQLiteDatabase> w : ActiveDatabases.getInstance().mActiveDatabases) { 2150c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori SQLiteDatabase db = w.get(); 2151c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (db == null || !db.isOpen()) { 2152c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori continue; 2153c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2154c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get SQLITE_DBSTATUS_LOOKASIDE_USED for the db 2155c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int lookasideUsed = db.native_getDbLookaside(); 2156c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2157c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get the lastnode of the dbname 2158c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String path = db.getPath(); 2159c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int indx = path.lastIndexOf("/"); 2160c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String lastnode = path.substring((indx != -1) ? ++indx : 0); 2161c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2162c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get list of attached dbs and for each db, get its size and pagesize 2163c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<Pair<String, String>> attachedDbs = getAttachedDbs(db); 2164f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (attachedDbs == null) { 2165f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori continue; 2166f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2167c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori for (int i = 0; i < attachedDbs.size(); i++) { 2168c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori Pair<String, String> p = attachedDbs.get(i); 2169c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori long pageCount = getPragmaVal(db, p.first + ".page_count;"); 2170c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2171c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // first entry in the attached db list is always the main database 2172c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // don't worry about prefixing the dbname with "main" 2173c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String dbName; 2174c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (i == 0) { 2175c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName = lastnode; 2176c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } else { 2177c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // lookaside is only relevant for the main db 2178c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori lookasideUsed = 0; 2179c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName = " (attached) " + p.first; 2180c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // if the attached db has a path, attach the lastnode from the path to above 2181c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (p.second.trim().length() > 0) { 2182c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int idx = p.second.lastIndexOf("/"); 2183c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName += " : " + p.second.substring((idx != -1) ? ++idx : 0); 2184c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2185c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2186f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (pageCount > 0) { 2187f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori dbStatsList.add(new DbStats(dbName, pageCount, db.getPageSize(), 2188f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori lookasideUsed)); 2189f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2190c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2191c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2192c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return dbStatsList; 2193c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2194c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2195c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2196c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * get the specified pragma value from sqlite for the specified database. 2197c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * only handles pragma's that return int/long. 2198c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * NO JAVA locks are held in this method. 2199c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * TODO: use this to do all pragma's in this class 2200c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2201c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private static long getPragmaVal(SQLiteDatabase db, String pragma) { 2202f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!db.isOpen()) { 2203f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return 0; 2204f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2205c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori SQLiteStatement prog = null; 2206c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori try { 2207c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori prog = new SQLiteStatement(db, "PRAGMA " + pragma); 2208c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori long val = prog.simpleQueryForLong(); 2209c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return val; 2210c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } finally { 2211c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (prog != null) prog.close(); 2212c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2213c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2214c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2215c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2216c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * returns list of full pathnames of all attached databases 2217c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * including the main database 2218c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * TODO: move this to {@link DatabaseUtils} 2219c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2220c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private static ArrayList<Pair<String, String>> getAttachedDbs(SQLiteDatabase dbObj) { 2221f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!dbObj.isOpen()) { 2222f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return null; 2223f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2224c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<Pair<String, String>> attachedDbs = new ArrayList<Pair<String, String>>(); 2225c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori Cursor c = dbObj.rawQuery("pragma database_list;", null); 2226c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori while (c.moveToNext()) { 2227c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori attachedDbs.add(new Pair<String, String>(c.getString(1), c.getString(2))); 2228c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2229c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori c.close(); 2230c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return attachedDbs; 2231c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2232c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 22339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to open the database. 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The full path to the database 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void dbopen(String path, int flags); 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22413ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * Native call to setup tracing of all sql statements 22423ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * 22433ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * @param path the full path to the database 22443ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori */ 22453ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori private native void enableSqlTracing(String path); 22463ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori 22473ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori /** 22483ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * Native call to setup profiling of all sql statements. 22493ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * currently, sqlite's profiling = printing of execution-time 22503ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * (wall-clock time) of each of the sql statements, as they 22513ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * are executed. 22523ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * 22533ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * @param path the full path to the database 22543ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori */ 22553ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori private native void enableSqlProfiling(String path); 22563ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori 22573ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori /** 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to execute a raw SQL statement. {@link #lock} must be held 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when calling this method. 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql The raw SQL string 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native void native_execSQL(String sql) throws SQLException; 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to set the locale. {@link #lock} must be held when calling 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method. 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native void native_setLocale(String loc, int flags); 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the row ID of the last row inserted into the database. 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the last row inserted into the database. 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native long lastInsertRow(); 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of changes made in the last statement executed. 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of changes made in the last statement executed. 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native int lastChangeCount(); 2286c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2287c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2288c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * return the SQLITE_DBSTATUS_LOOKASIDE_USED documented here 2289c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * http://www.sqlite.org/c3ref/c_dbstatus_lookaside_used.html 2290c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * @return int value of SQLITE_DBSTATUS_LOOKASIDE_USED 2291c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2292c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private native int native_getDbLookaside(); 22939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2294