SQLiteDatabase.java revision 9463f297ef51bd056626d0fb0708c83509f7ebd9
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 1912311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnorimport android.app.ActivityThread; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.ContentValues; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.Cursor; 22062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Noriimport android.database.DatabaseErrorHandler; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.DatabaseUtils; 24062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Noriimport android.database.DefaultDatabaseErrorHandler; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.database.SQLException; 26c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport android.database.sqlite.SQLiteDebug.DbStats; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 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 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.File; 37c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport java.lang.ref.WeakReference; 38c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport java.util.ArrayList; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.HashMap; 40c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Noriimport java.util.HashSet; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Iterator; 4220f549fd2f40db524242c9038d7d63356adf95fcVasu Noriimport java.util.LinkedHashMap; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Locale; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Map; 4512311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnorimport java.util.Random; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Set; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.WeakHashMap; 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.concurrent.locks.ReentrantLock; 49d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrickimport java.util.regex.Pattern; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Exposes methods to manage a SQLite database. 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>SQLiteDatabase has methods to create, delete, execute SQL commands, and 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * perform other common database management tasks. 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>See the Notepad sample application in the SDK for an example of creating 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and managing a database. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p> Database names must be unique within an application, not across all 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * applications. 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <h3>Localized Collation - ORDER BY</h3> 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>In addition to SQLite's default <code>BINARY</code> collator, Android supplies 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * two more, <code>LOCALIZED</code>, which changes with the system's current locale 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if you wire it up correctly (XXX a link needed!), and <code>UNICODE</code>, which 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is the Unicode Collation Algorithm and not tailored to the current locale. 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class SQLiteDatabase extends SQLiteClosable { 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Database"; 68082c2af6859dff103e781b372dfde927cc0f869fJeff Hamilton private static final int EVENT_DB_OPERATION = 52000; 69082c2af6859dff103e781b372dfde927cc0f869fJeff Hamilton private static final int EVENT_DB_CORRUPT = 75004; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Algorithms used in ON CONFLICT clause 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.sqlite.org/lang_conflict.html 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 758d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 768d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, an immediate ROLLBACK occurs, 778d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * thus ending the current transaction, and the command aborts with a 788d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * return code of SQLITE_CONSTRAINT. If no transaction is active 798d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * (other than the implied transaction that is created on every command) 808d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * then this algorithm works the same as ABORT. 818d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 828d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_ROLLBACK = 1; 83600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 848d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 858d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs,no ROLLBACK is executed 868d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * so changes from prior commands within the same transaction 878d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are preserved. This is the default behavior. 888d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 898d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_ABORT = 2; 90600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 918d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 928d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, the command aborts with a return 938d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * code SQLITE_CONSTRAINT. But any changes to the database that 948d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * the command made prior to encountering the constraint violation 958d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are preserved and are not backed out. 968d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 978d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_FAIL = 3; 98600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 998d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1008d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a constraint violation occurs, the one row that contains 1018d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * the constraint violation is not inserted or changed. 1028d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * But the command continues executing normally. Other rows before and 1038d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * after the row that contained the constraint violation continue to be 1048d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * inserted or updated normally. No error is returned. 1058d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1068d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_IGNORE = 4; 107600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1088d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1098d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * When a UNIQUE constraint violation occurs, the pre-existing rows that 1108d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * are causing the constraint violation are removed prior to inserting 1118d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * or updating the current row. Thus the insert or update always occurs. 1128d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * The command continues executing normally. No error is returned. 1138d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * If a NOT NULL constraint violation occurs, the NULL value is replaced 1148d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * by the default value for that column. If the column has no default 1158d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * value, then the ABORT algorithm is used. If a CHECK constraint 1168d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * violation occurs then the IGNORE algorithm is used. When this conflict 1178d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * resolution strategy deletes rows in order to satisfy a constraint, 1188d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * it does not invoke delete triggers on those rows. 1198d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * This behavior might change in a future release. 1208d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1218d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_REPLACE = 5; 1226eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori 1238d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori /** 1248d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * use the following when no conflict action is specified. 1258d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori */ 1268d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori public static final int CONFLICT_NONE = 0; 1278d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori private static final String[] CONFLICT_VALUES = new String[] 1288d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori {"", " OR ROLLBACK ", " OR ABORT ", " OR FAIL ", " OR IGNORE ", " OR REPLACE "}; 129600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Maximum Length Of A LIKE Or GLOB Pattern 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The pattern matching algorithm used in the default LIKE and GLOB implementation 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * of SQLite can exhibit O(N^2) performance (where N is the number of characters in 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the pattern) for certain pathological cases. To avoid denial-of-service attacks 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the length of the LIKE or GLOB pattern is limited to SQLITE_MAX_LIKE_PATTERN_LENGTH bytes. 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default value of this limit is 50000. A modern workstation can evaluate 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * even a pathological LIKE or GLOB pattern of 50000 bytes relatively quickly. 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The denial of service problem only comes into play when the pattern length gets 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * into millions of bytes. Nevertheless, since most useful LIKE or GLOB patterns 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are at most a few dozen bytes in length, paranoid application developers may 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * want to reduce this parameter to something in the range of a few hundred 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if they know that external users are able to generate arbitrary patterns. 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int SQLITE_MAX_LIKE_PATTERN_LENGTH = 50000; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database for reading and writing. 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If the disk is full, this may fail even before you actually write anything. 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@more} Note that the value of this flag is 0, so it is the default. 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int OPEN_READWRITE = 0x00000000; // update native code if changing 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database for reading only. 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This is the only reliable way to open a database if the disk may be full. 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int OPEN_READONLY = 0x00000001; // update native code if changing 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int OPEN_READ_MASK = 0x00000001; // update native code if changing 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to open the database without support for localized collators. 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@more} This causes the collator <code>LOCALIZED</code> not to be created. 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You must be consistent when using this flag to use the setting the database was 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * created with. If this is set, {@link #setLocale} will do nothing. 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int NO_LOCALIZED_COLLATORS = 0x00000010; // update native code if changing 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Flag for {@link #openDatabase} to create the database file if it does not already exist. 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CREATE_IF_NECESSARY = 0x10000000; // update native code if changing 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Indicates whether the most-recently started transaction has been marked as successful. 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mInnerTransactionIsSuccessful; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Valid during the life of a transaction, and indicates whether the entire transaction (the 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * outer one and all of the inner ones) so far has been successful. 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mTransactionIsSuccessful; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 187c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana /** 188c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * Valid during the life of a transaction. 189c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana */ 190c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana private SQLiteTransactionListener mTransactionListener; 191c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Synchronize on this when accessing the database */ 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final ReentrantLock mLock = new ReentrantLock(true); 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLockAcquiredWallTime = 0L; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLockAcquiredThreadTime = 0L; 197600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // limit the frequency of complaints about each database to one within 20 sec 199600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // unless run command adb shell setprop log.tag.Database VERBOSE 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_WARNING_WINDOW_IN_MS = 20000; 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** If the lock is held this long then a warning will be printed when it is released. */ 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_TIME_IN_MS = 300; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_THREAD_TIME_IN_MS = 100; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT = 2000; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 206b43b58d3494426eda6117101635de25bb43efc20Dmitri Plotnikov private static final int SLEEP_AFTER_YIELD_QUANTUM = 1000; 207600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 208d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick // The pattern we remove from database filenames before 209d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick // potentially logging them. 210d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private static final Pattern EMAIL_IN_DB_PATTERN = Pattern.compile("[\\w\\.\\-]+@[\\w\\.\\-]+"); 211d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private long mLastLockMessageTime = 0L; 213600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 214b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Things related to query logging/sampling for debugging 215b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // slow/frequent queries during development. Always log queries 216722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // which take (by default) 500ms+; shorter queries are sampled 217722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // accordingly. Commit statements, which are typically slow, are 218722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // logged together with the most recently executed SQL statement, 219722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // for disambiguation. The 500ms value is configurable via a 220722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // SystemProperty, but developers actively debugging database I/O 221722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // should probably use the regular log tunable, 222722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // LOG_SLOW_QUERIES_PROPERTY, defined below. 223722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick private static int sQueryLogTimeInMillis = 0; // lazily initialized 22412311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor private static final int QUERY_LOG_SQL_LENGTH = 64; 225b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick private static final String COMMIT_SQL = "COMMIT;"; 22612311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor private final Random mRandom = new Random(); 227b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick private String mLastSqlStatement = null; 22812311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor 229722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // String prefix for slow database query EventLog records that show 230722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // lock acquistions of the database. 231722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick /* package */ static final String GET_LOCK_LOG_PREFIX = "GETLOCK:"; 232722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Used by native code, do not rename */ 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ int mNativeHandle = 0; 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Used to make temp table names unique */ 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ int mTempTableSequence = 0; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The path for the database file */ 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mPath; 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 242d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick /** The anonymized path for the database file for logging purposes */ 243d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private String mPathForLogs = null; // lazily populated 244d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The flags passed to open/create */ 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mFlags; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The optional factory to use when creating new Cursors */ 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private CursorFactory mFactory; 250600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private WeakHashMap<SQLiteClosable, Object> mPrograms; 252600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 2535a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 25420f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * for each instance of this class, a LRU cache is maintained to store 2555a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * the compiled query statement ids returned by sqlite database. 2565a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * key = sql statement with "?" for bind args 2575a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * value = {@link SQLiteCompiledSql} 2585a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * If an application opens the database and keeps it open during its entire life, then 2595a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * there will not be an overhead of compilation of sql statements by sqlite. 2605a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 2615a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * why is this cache NOT static? because sqlite attaches compiledsql statements to the 2625a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * struct created when {@link SQLiteDatabase#openDatabase(String, CursorFactory, int)} is 2635a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * invoked. 2645a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 2655a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * this cache has an upper limit of mMaxSqlCacheSize (settable by calling the method 2669504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori * (@link setMaxSqlCacheSize(int)}). 2675a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 26820f549fd2f40db524242c9038d7d63356adf95fcVasu Nori // default statement-cache size per database connection ( = instance of this class) 26920f549fd2f40db524242c9038d7d63356adf95fcVasu Nori private int mMaxSqlCacheSize = 25; 27020f549fd2f40db524242c9038d7d63356adf95fcVasu Nori /* package */ Map<String, SQLiteCompiledSql> mCompiledQueries = 27120f549fd2f40db524242c9038d7d63356adf95fcVasu Nori new LinkedHashMap<String, SQLiteCompiledSql>(mMaxSqlCacheSize + 1, 0.75f, true) { 27220f549fd2f40db524242c9038d7d63356adf95fcVasu Nori @Override 27320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori public boolean removeEldestEntry(Map.Entry<String, SQLiteCompiledSql> eldest) { 2749504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // eldest = least-recently used entry 2759504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // if it needs to be removed to accommodate a new entry, 2769504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // close {@link SQLiteCompiledSql} represented by this entry, if not in use 2779504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // and then let it be removed from the Map. 2789463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // when this is called, the caller must be trying to add a just-compiled stmt 2799463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // to cache; i.e., caller should already have acquired database lock AND 2809463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // the lock on mCompiledQueries. do as assert of these two 2 facts. 2819463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori verifyLockOwner(); 2829463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori if (this.size() <= mMaxSqlCacheSize) { 2839463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // cache is not full. nothing needs to be removed 2849463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori return false; 2859504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori } 2869463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // cache is full. eldest will be removed. 2879463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori SQLiteCompiledSql entry = eldest.getValue(); 2889463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori if (!entry.isInUse()) { 2899463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // this {@link SQLiteCompiledSql} is not in use. release it. 2909463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori entry.releaseSqlStatement(); 2919463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori } 2929463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori // return true, so that this entry is removed automatically by the caller. 2939463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori return true; 29420f549fd2f40db524242c9038d7d63356adf95fcVasu Nori } 29520f549fd2f40db524242c9038d7d63356adf95fcVasu Nori }; 296e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 29720f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * absolute max value that can be set by {@link #setMaxSqlCacheSize(int)} 29890a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * size of each prepared-statement is between 1K - 6K, depending on the complexity of the 29990a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * sql statement & schema. 300e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 30190a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori public static final int MAX_SQL_CACHE_SIZE = 100; 302e9d9210205b280b4ea0402f78d7dd717068af650Vasu Nori private int mCacheFullWarnings; 30349d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori private static final int MAX_WARNINGS_ON_CACHESIZE_CONDITION = 1; 3045a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 3055a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** maintain stats about number of cache hits and misses */ 3065a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private int mNumCacheHits; 3075a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private int mNumCacheMisses; 3085a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 309d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori /** Used to find out where this object was created in case it never got closed. */ 310d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori private Throwable mStackTrace = null; 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31290142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov // System property that enables logging of slow queries. Specify the threshold in ms. 31390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov private static final String LOG_SLOW_QUERIES_PROPERTY = "db.log.slow_query_threshold"; 31490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov private final int mSlowQueryThreshold; 31590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov 316062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** {@link DatabaseErrorHandler} to be used when SQLite returns any of the following errors 317062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * Corruption 318062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * */ 319062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori private DatabaseErrorHandler errorHandler; 320062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param closable 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void addSQLiteClosable(SQLiteClosable closable) { 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms.put(closable, null); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 332600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void removeSQLiteClosable(SQLiteClosable closable) { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms.remove(closable); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 340600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 341600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAllReferencesReleased() { 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpen()) { 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dbclose(); 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to release memory that SQLite holds but does not require to 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * operate properly. Typically this memory will come from the page cache. 352600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of bytes actually released 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 355600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov static public native int releaseMemory(); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Control whether or not the SQLiteDatabase is made thread-safe by using locks 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around critical sections. This is pretty expensive, so if you know that your 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * DB will only be used by a single thread then you should set this to false. 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default is true. 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param lockingEnabled set to true to enable locks, false otherwise 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLockingEnabled(boolean lockingEnabled) { 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockingEnabled = lockingEnabled; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If set then the SQLiteDatabase is made thread-safe by using locks 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around critical sections 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mLockingEnabled = true; 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void onCorruption() { 375f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori EventLog.writeEvent(EVENT_DB_CORRUPT, mPath); 376062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori errorHandler.onCorruption(this); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the database for exclusive access. The database lock must be held when 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * touch the native sqlite3* object since it is single threaded and uses 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a polling lock contention algorithm. The lock is recursive, and may be acquired 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple times by the same thread. This is a no-op if mLockingEnabled is false. 384600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlock() 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void lock() { 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLockingEnabled) return; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the database for exclusive access. The database lock must be held when 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * touch the native sqlite3* object since it is single threaded and uses 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a polling lock contention algorithm. The lock is recursive, and may be acquired 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple times by the same thread. 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlockForced() 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void lockForced() { 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the database lock. This is a no-op if mLockingEnabled is false. 420600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlock() 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void unlock() { 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLockingEnabled) return; 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkLockHoldTime(); 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the database lock. 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlockForced() 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void unlockForced() { 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkLockHoldTime(); 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkLockHoldTime() { 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long elapsedTime = SystemClock.elapsedRealtime(); 450600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov long lockedTime = elapsedTime - mLockAcquiredWallTime; 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lockedTime < LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT && 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project !Log.isLoggable(TAG, Log.VERBOSE) && 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (elapsedTime - mLastLockMessageTime) < LOCK_WARNING_WINDOW_IN_MS) { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lockedTime > LOCK_ACQUIRED_WARNING_TIME_IN_MS) { 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int threadTime = (int) 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((Debug.threadCpuTimeNanos() - mLockAcquiredThreadTime) / 1000000); 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (threadTime > LOCK_ACQUIRED_WARNING_THREAD_TIME_IN_MS || 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lockedTime > LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT) { 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastLockMessageTime = elapsedTime; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String msg = "lock held on " + mPath + " for " + lockedTime + "ms. Thread time was " 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + threadTime + "ms"; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING_STACK_TRACE) { 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, msg, new Exception()); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, msg); 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Begins a transaction. Transactions can be nested. When the outer transaction is ended all of 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the work done in that transaction and all of the nested transactions will be committed or 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rolled back. The changes will be rolled back if any transaction is ended without being 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * marked as clean (by calling setTransactionSuccessful). Otherwise they will be committed. 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Here is the standard idiom for transactions: 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre> 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.beginTransaction(); 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * try { 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.setTransactionSuccessful(); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } finally { 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.endTransaction(); 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beginTransaction() { 492c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana beginTransactionWithListener(null /* transactionStatusCallback */); 493c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 494c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana 495c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana /** 496c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * Begins a transaction. Transactions can be nested. When the outer transaction is ended all of 497c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * the work done in that transaction and all of the nested transactions will be committed or 498c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * rolled back. The changes will be rolled back if any transaction is ended without being 499c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * marked as clean (by calling setTransactionSuccessful). Otherwise they will be committed. 500c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * 501c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * <p>Here is the standard idiom for transactions: 502c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * 503c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * <pre> 504c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.beginTransactionWithListener(listener); 505c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * try { 506c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * ... 507c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.setTransactionSuccessful(); 508c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * } finally { 509c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.endTransaction(); 510c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * } 511c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * </pre> 512c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * @param transactionListener listener that should be notified when the transaction begins, 513c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * commits, or is rolled back, either explicitly or by a call to 514c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * {@link #yieldIfContendedSafely}. 515c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana */ 516c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana public void beginTransactionWithListener(SQLiteTransactionListener transactionListener) { 517c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lockForced(); 518f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 519f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 520f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean ok = false; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If this thread already had the lock then get out 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() > 1) { 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String msg = "Cannot call beginTransaction between " 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "calling setTransactionSuccessful and endTransaction"; 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IllegalStateException e = new IllegalStateException(msg); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "beginTransaction() failed", e); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = true; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This thread didn't already have the lock, so begin a database 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // transaction now. 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("BEGIN EXCLUSIVE;"); 539c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener = transactionListener; 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransactionIsSuccessful = true; 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = false; 542c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (transactionListener != null) { 543c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana try { 544c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana transactionListener.onBegin(); 545c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } catch (RuntimeException e) { 546c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana execSQL("ROLLBACK;"); 547c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana throw e; 548c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 549c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = true; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!ok) { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // beginTransaction is called before the try block so we must release the lock in 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the case of failure. 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockForced(); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * End a transaction. See beginTransaction for notes about how to use this and when transactions 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are committed and rolled back. 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void endTransaction() { 565f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 566f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 567f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLock.isHeldByCurrentThread()) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("no transaction pending"); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = false; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransactionIsSuccessful = false; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() != 1) { 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 580c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana RuntimeException savedException = null; 581c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (mTransactionListener != null) { 582c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana try { 583c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (mTransactionIsSuccessful) { 584c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener.onCommit(); 585c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } else { 586c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener.onRollback(); 587c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 588c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } catch (RuntimeException e) { 589c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana savedException = e; 590c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionIsSuccessful = false; 591c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 592c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTransactionIsSuccessful) { 594b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick execSQL(COMMIT_SQL); 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("ROLLBACK;"); 598c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (savedException != null) { 599c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana throw savedException; 600c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD) { 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, "exception during rollback, maybe the DB previously " 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "performed an auto-rollback"); 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 609c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener = null; 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockForced(); 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGV) { 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "unlocked " + Thread.currentThread() 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ", holdCount is " + mLock.getHoldCount()); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Marks the current transaction as successful. Do not do any more database work between 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calling this and calling endTransaction. Do as little non-database work as possible in that 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * situation too. If any errors are encountered between this and endTransaction the transaction 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will still be committed. 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the current thread is not in a transaction or the 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transaction is already marked as successful. 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTransactionSuccessful() { 628f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 629f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 630f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLock.isHeldByCurrentThread()) { 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("no transaction pending"); 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "setTransactionSuccessful may only be called once per call to beginTransaction"); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = true; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return true if there is a transaction pending 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean inTransaction() { 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLock.getHoldCount() > 0; 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks if the database lock is held by this thread. 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true, if this thread is holding the database lock. 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDbLockedByCurrentThread() { 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLock.isHeldByCurrentThread(); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks if the database is locked by another thread. This is 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just an estimate, since this status can change at any time, 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * including after the call is made but before the result has 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been acted upon. 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true, if the database is locked by another thread 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDbLockedByOtherThreads() { 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mLock.isHeldByCurrentThread() && mLock.isLocked(); 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * successful so far. Do not call setTransactionSuccessful before calling this. When this 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns a new transaction will have been created but not marked as successful. 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the transaction was yielded 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated if the db is locked more than once (becuase of nested transactions) then the lock 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will not be yielded. Use yieldIfContendedSafely instead. 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6774a51c20ce607c74914f90fd897f04080121ac13bDianne Hackborn @Deprecated 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean yieldIfContended() { 6795c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(false /* do not check yielding */, 6805c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana -1 /* sleepAfterYieldDelay */); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * successful so far. Do not call setTransactionSuccessful before calling this. When this 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns a new transaction will have been created but not marked as successful. This assumes 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 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. 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the transaction was yielded 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean yieldIfContendedSafely() { 6925c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(true /* check yielding */, -1 /* sleepAfterYieldDelay*/); 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6955c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana /** 6965c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6975c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * successful so far. Do not call setTransactionSuccessful before calling this. When this 6985c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * returns a new transaction will have been created but not marked as successful. This assumes 6995c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * that there are no nested transactions (beginTransaction has only been called once) and will 7005c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * throw an exception if that is not the case. 7015c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * @param sleepAfterYieldDelay if > 0, sleep this long before starting a new transaction if 7025c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * the lock was actually yielded. This will allow other background threads to make some 7035c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * more progress than they would if we started the transaction immediately. 7045c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * @return true if the transaction was yielded 7055c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana */ 7065c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana public boolean yieldIfContendedSafely(long sleepAfterYieldDelay) { 7075c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(true /* check yielding */, sleepAfterYieldDelay); 7085c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 7095c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana 7105c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana private boolean yieldIfContendedHelper(boolean checkFullyYielded, long sleepAfterYieldDelay) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getQueueLength() == 0) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reset the lock acquire time since we know that the thread was willing to yield 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the lock at this time. 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTransactionSuccessful(); 719c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana SQLiteTransactionListener transactionListener = mTransactionListener; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project endTransaction(); 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (checkFullyYielded) { 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (this.isDbLockedByCurrentThread()) { 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Db locked more than once. yielfIfContended cannot yield"); 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7275c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana if (sleepAfterYieldDelay > 0) { 728600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // Sleep for up to sleepAfterYieldDelay milliseconds, waking up periodically to 729600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // check if anyone is using the database. If the database is not contended, 730600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // retake the lock and return. 731600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov long remainingDelay = sleepAfterYieldDelay; 732600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov while (remainingDelay > 0) { 733600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov try { 734600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov Thread.sleep(remainingDelay < SLEEP_AFTER_YIELD_QUANTUM ? 735600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov remainingDelay : SLEEP_AFTER_YIELD_QUANTUM); 736600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } catch (InterruptedException e) { 737600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov Thread.interrupted(); 738600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 739600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov remainingDelay -= SLEEP_AFTER_YIELD_QUANTUM; 740600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov if (mLock.getQueueLength() == 0) { 741600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov break; 742600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 7435c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 7445c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 745c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana beginTransactionWithListener(transactionListener); 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Maps table names to info about what to which _sync_time column to set 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to NULL on an update. This is used to support syncing. */ 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Map<String, SyncUpdateInfo> mSyncUpdateInfo = 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new HashMap<String, SyncUpdateInfo>(); 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Map<String, String> getSyncedTables() { 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mSyncUpdateInfo) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project HashMap<String, String> tables = new HashMap<String, String>(); 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String table : mSyncUpdateInfo.keySet()) { 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info = mSyncUpdateInfo.get(table); 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info.deletedTable != null) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tables.put(table, info.deletedTable); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables; 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Internal class used to keep track what needs to be marked as changed 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when an update occurs. This is used for syncing, so the sync engine 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * knows what data has been updated locally. 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private class SyncUpdateInfo { 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the SyncUpdateInfo class. 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param masterTable The table to set _sync_time to NULL in 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * master table 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey The key that refers to the primary key in table 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo(String masterTable, String deletedTable, 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String foreignKey) { 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.masterTable = masterTable; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.deletedTable = deletedTable; 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.foreignKey = foreignKey; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The table containing the _sync_time column */ 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String masterTable; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The deleted table that corresponds to the master table */ 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String deletedTable; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The key in the local table the row in table. It may be _id, if table 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is the local table. */ 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String foreignKey; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to allow returning sub-classes of {@link Cursor} when calling query. 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface CursorFactory { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SQLiteCursor#SQLiteCursor(SQLiteDatabase, SQLiteCursorDriver, 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * String, SQLiteQuery)}. 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor newCursor(SQLiteDatabase db, 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursorDriver masterQuery, String editTable, 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteQuery query); 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open the database according to the flags {@link #OPEN_READWRITE} 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #OPEN_READONLY} {@link #CREATE_IF_NECESSARY} and/or {@link #NO_LOCALIZED_COLLATORS}. 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the locale of the database to the the system's current locale. 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #setLocale} if you would like something else.</p> 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path to database file to open and/or create 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory an optional factory class that is called to instantiate a 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor when query is called, or null for default 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param flags to control database access mode 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the newly opened database 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLiteException if the database cannot be opened 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openDatabase(String path, CursorFactory factory, int flags) { 828062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return openDatabase(path, factory, flags, new DefaultDatabaseErrorHandler()); 829062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 830062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 831062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 832062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * same as {@link #openDatabase(String, CursorFactory, int)} except for an additional param 833062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * errorHandler. 834062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @param errorHandler the {@link DatabaseErrorHandler} obj to be used when database 835062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * corruption is detected on the database. 836062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 837062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public static SQLiteDatabase openDatabase(String path, CursorFactory factory, int flags, 838062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori DatabaseErrorHandler errorHandler) { 839062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori SQLiteDatabase sqliteDatabase = new SQLiteDatabase(path, factory, flags); 840062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 841062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // set the ErrorHandler to be used when SQLite reports exceptions 842062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori sqliteDatabase.errorHandler = errorHandler; 843062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Open the database. 846062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori sqliteDatabase.openDatabase(path, flags); 8473ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori if (SQLiteDebug.DEBUG_SQL_STATEMENTS) { 8483ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori sqliteDatabase.enableSqlTracing(path); 8493ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori } 8503ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori if (SQLiteDebug.DEBUG_SQL_TIME) { 8513ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori sqliteDatabase.enableSqlProfiling(path); 8523ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori } 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 854062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // Database is not even openable. 855062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori errorHandler.onCorruption(sqliteDatabase); 856c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori sqliteDatabase = new SQLiteDatabase(path, factory, flags); 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 858c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ActiveDatabases.getInstance().mActiveDatabases.add( 859c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori new WeakReference<SQLiteDatabase>(sqliteDatabase)); 860c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return sqliteDatabase; 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 863062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori private void openDatabase(String path, int flags) { 864062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // Open the database. 865062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori dbopen(path, flags); 866062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 867062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori setLocale(Locale.getDefault()); 868062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } catch (RuntimeException e) { 869062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Log.e(TAG, "Failed to setLocale(). closing the database", e); 870062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori dbclose(); 871062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori throw e; 872062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 873062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 874062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Equivalent to openDatabase(file.getPath(), factory, CREATE_IF_NECESSARY). 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openOrCreateDatabase(File file, CursorFactory factory) { 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openOrCreateDatabase(file.getPath(), factory); 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Equivalent to openDatabase(path, factory, CREATE_IF_NECESSARY). 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openOrCreateDatabase(String path, CursorFactory factory) { 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openDatabase(path, factory, CREATE_IF_NECESSARY); 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 890062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * same as {@link #openOrCreateDatabase(String, CursorFactory)} except for an additional param 891062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * errorHandler. 892062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @param errorHandler the {@link DatabaseErrorHandler} obj to be used when database 893062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * corruption is detected on the database. 894062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 895062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public static SQLiteDatabase openOrCreateDatabase(String path, CursorFactory factory, 896062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori DatabaseErrorHandler errorHandler) { 897062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return openDatabase(path, factory, CREATE_IF_NECESSARY, errorHandler); 898062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 899062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 900062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a memory backed SQLite database. Its contents will be destroyed 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the database is closed. 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the locale of the database to the the system's current locale. 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #setLocale} if you would like something else.</p> 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory an optional factory class that is called to instantiate a 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor when query is called 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a SQLiteDatabase object, or null if the database can't be created 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase create(CursorFactory factory) { 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is a magic string with special meaning for SQLite. 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openDatabase(":memory:", factory, CREATE_IF_NECESSARY); 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close the database. 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void close() { 920f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 921f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return; // already closed 922f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeClosable(); 926f6373e9513002f55bbe00180a5eb9f1051d53547Vasu Nori // close this database instance - regardless of its reference count value 927f6373e9513002f55bbe00180a5eb9f1051d53547Vasu Nori onAllReferencesReleased(); 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void closeClosable() { 934e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* deallocate all compiled sql statement objects from mCompiledQueries cache. 935e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * this should be done before de-referencing all {@link SQLiteClosable} objects 936e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * from this database object because calling 937e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * {@link SQLiteClosable#onAllReferencesReleasedFromContainer()} could cause the database 938e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * to be closed. sqlite doesn't let a database close if there are 939e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * any unfinalized statements - such as the compiled-sql objects in mCompiledQueries. 940e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 941e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori deallocCachedSqlStatements(); 942e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<SQLiteClosable, Object>> iter = mPrograms.entrySet().iterator(); 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (iter.hasNext()) { 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<SQLiteClosable, Object> entry = iter.next(); 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteClosable program = entry.getKey(); 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (program != null) { 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project program.onAllReferencesReleasedFromContainer(); 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 950600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 952600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to close the database. 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void dbclose(); 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the database version. 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the database version 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getVersion() { 964c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 965c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 966f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 967f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 968f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, "PRAGMA user_version;"); 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long version = prog.simpleQueryForLong(); 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) version; 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the database version. 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param version the new database version 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setVersion(int version) { 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("PRAGMA user_version = " + version); 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum size the database may grow to. 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new maximum database size 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getMaximumSize() { 994c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 995c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 996f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 997f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 998f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA max_page_count;"); 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long pageCount = prog.simpleQueryForLong(); 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pageCount * getPageSize(); 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the maximum size the database will grow to. The maximum size cannot 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be set below the current size. 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBytes the maximum database size, in bytes 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new maximum database size 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long setMaximumSize(long numBytes) { 1018c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 1019c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1020f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1021f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1022f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long pageSize = getPageSize(); 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long numPages = numBytes / pageSize; 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If numBytes isn't a multiple of pageSize, bump up a page 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((numBytes % pageSize) != 0) { 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numPages++; 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA max_page_count = " + numPages); 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long newPageCount = prog.simpleQueryForLong(); 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return newPageCount * pageSize; 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current database page size, in bytes. 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the database page size, in bytes 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getPageSize() { 1046c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 1047c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1048f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1049f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1050f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA page_size;"); 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long size = prog.simpleQueryForLong(); 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the database page size. The page size must be a power of two. This 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method does not work if any data has been written to the database file, 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and must be called right after the database has been created. 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBytes the database page size, in bytes 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPageSize(long numBytes) { 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("PRAGMA page_size = " + numBytes); 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable. When an update occurs in this table the 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * _sync_dirty field will be set to ensure proper syncing operation. 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to mark as syncable 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * syncable table 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void markTableSyncable(String table, String deletedTable) { 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project markTableSyncable(table, "_id", table, deletedTable); 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable, with the _sync_dirty residing in another 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * table. When an update occurs in this table the _sync_dirty field of the 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row in updateTable with the _id in foreignKey will be set to 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ensure proper syncing operation. 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table an update on this table will trigger a sync time removal 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey this is the column in table whose value is an _id in 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param updateTable this is the table that will have its _sync_dirty 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void markTableSyncable(String table, String foreignKey, 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String updateTable) { 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project markTableSyncable(table, foreignKey, updateTable, null); 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable, with the _sync_dirty residing in another 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * table. When an update occurs in this table the _sync_dirty field of the 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row in updateTable with the _id in foreignKey will be set to 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ensure proper syncing operation. 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table an update on this table will trigger a sync time removal 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey this is the column in table whose value is an _id in 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param updateTable this is the table that will have its _sync_dirty 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void markTableSyncable(String table, String foreignKey, 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String updateTable, String deletedTable) { 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL("SELECT _sync_dirty FROM " + updateTable 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " LIMIT 0"); 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL("SELECT " + foreignKey + " FROM " + table 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " LIMIT 0"); 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info = new SyncUpdateInfo(updateTable, deletedTable, 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foreignKey); 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSyncUpdateInfo) { 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncUpdateInfo.put(table, info); 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call for each row that is updated in a cursor. 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table the row is in 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rowId the row ID of the updated row 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void rowUpdated(String table, long rowId) { 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info; 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSyncUpdateInfo) { 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info = mSyncUpdateInfo.get(table); 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info != null) { 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("UPDATE " + info.masterTable 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " SET _sync_dirty=1 WHERE _id=(SELECT " + info.foreignKey 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " FROM " + table + " WHERE _id=" + rowId + ")"); 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds the name of the first table, which is editable. 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tables a list of tables 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the first table listed 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String findEditTable(String tables) { 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(tables)) { 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // find the first word terminated by either a space or a comma 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spacepos = tables.indexOf(' '); 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int commapos = tables.indexOf(','); 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spacepos > 0 && (spacepos < commapos || commapos < 0)) { 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables.substring(0, spacepos); 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (commapos > 0 && (commapos < spacepos || spacepos < 0) ) { 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables.substring(0, commapos); 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables; 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Invalid tables"); 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compiles an SQL statement into a reusable pre-compiled statement object. 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The parameters are identical to {@link #execSQL(String)}. You may put ?s in the 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * statement and fill in those values with {@link SQLiteProgram#bindString} 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link SQLiteProgram#bindLong} each time you want to run the 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * statement. Statements may not return result sets larger than 1x1. 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql The raw SQL statement, may contain ? for unknown values to be 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bound later. 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a pre-compiled statement object. 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SQLiteStatement compileStatement(String sql) throws SQLException { 1186c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1187f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1188f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1189f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SQLiteStatement(this, sql); 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given URL, returning a {@link Cursor} over the result set. 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param distinct true if you want each row to be unique, false otherwise. 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A Cursor object, which is positioned before the first entry 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(boolean distinct, String table, String[] columns, 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String selection, String[] selectionArgs, String groupBy, 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String having, String orderBy, String limit) { 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return queryWithFactory(null, distinct, table, columns, selection, selectionArgs, 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project groupBy, having, orderBy, limit); 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given URL, returning a {@link Cursor} over the result set. 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cursorFactory the cursor factory to use, or null for the default factory 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param distinct true if you want each row to be unique, false otherwise. 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A Cursor object, which is positioned before the first entry 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor queryWithFactory(CursorFactory cursorFactory, 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean distinct, String table, String[] columns, 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String selection, String[] selectionArgs, String groupBy, 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String having, String orderBy, String limit) { 1269f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1270f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1271f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String sql = SQLiteQueryBuilder.buildQueryString( 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project distinct, table, columns, selection, groupBy, having, orderBy, limit); 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rawQueryWithFactory( 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursorFactory, sql, selectionArgs, findEditTable(table)); 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given table, returning a {@link Cursor} over the result set. 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(String table, String[] columns, String selection, 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] selectionArgs, String groupBy, String having, 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String orderBy) { 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return query(false, table, columns, selection, selectionArgs, groupBy, 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project having, orderBy, null /* limit */); 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given table, returning a {@link Cursor} over the result set. 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(String table, String[] columns, String selection, 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] selectionArgs, String groupBy, String having, 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String orderBy, String limit) { 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return query(false, table, columns, selection, selectionArgs, groupBy, 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project having, orderBy, limit); 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a {@link Cursor} over the result set. 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor rawQuery(String sql, String[] selectionArgs) { 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rawQueryWithFactory(null, sql, selectionArgs, null); 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a cursor over the result set. 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cursorFactory the cursor factory to use, or null for the default factory 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param editTable the name of the first table, which is editable 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor rawQueryWithFactory( 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CursorFactory cursorFactory, String sql, String[] selectionArgs, 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String editTable) { 1378f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1379f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1380f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long timeStart = 0; 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 138390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || mSlowQueryThreshold != -1) { 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timeStart = System.currentTimeMillis(); 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursorDriver driver = new SQLiteDirectCursorDriver(this, sql, editTable); 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 138990142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov Cursor cursor = null; 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 139190142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov cursor = driver.query( 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursorFactory != null ? cursorFactory : mFactory, 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectionArgs); 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 139590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || mSlowQueryThreshold != -1) { 139690142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov 1397020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori // Force query execution 1398020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori int count = -1; 1399020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori if (cursor != null) { 1400020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori count = cursor.getCount(); 1401020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori } 1402020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long duration = System.currentTimeMillis() - timeStart; 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 140590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || duration >= mSlowQueryThreshold) { 140690142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov Log.v(SQLiteCursor.TAG, 140790142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov "query (" + duration + " ms): " + driver.toString() + ", args are " 140890142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov + (selectionArgs != null 140990142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov ? TextUtils.join(",", selectionArgs) 1410020e5345795a157d7829ebbe4d7864595dafc576Vasu Nori : "<null>") + ", count is " + count); 141190142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov } 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 141490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov return cursor; 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a cursor over the result set. 1419600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * The cursor will read an initial set of rows and the return to the caller. 1420600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * It will continue to read in batches and send data changed notifications 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the later batches are ready. 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialRead set the initial count of items to read from the cursor 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxRead set the count of items to read on each iteration after the first 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 1429600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 1430f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * This work is incomplete and not fully tested or reviewed, so currently 1431f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * hidden. 1432f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * @hide 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1434600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov public Cursor rawQuery(String sql, String[] selectionArgs, 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialRead, int maxRead) { 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursor c = (SQLiteCursor)rawQueryWithFactory( 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, sql, selectionArgs, null); 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.setLoadStyle(initialRead, maxRead); 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c; 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1441600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for inserting a row into the database. 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values this map contains the initial column values for the 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insert(String table, String nullColumnHack, ContentValues values) { 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 14568d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return insertWithOnConflict(table, nullColumnHack, values, CONFLICT_NONE); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + values, e); 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for inserting a row into the database. 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values this map contains the initial column values for the 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insertOrThrow(String table, String nullColumnHack, ContentValues values) 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws SQLException { 14788d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return insertWithOnConflict(table, nullColumnHack, values, CONFLICT_NONE); 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for replacing a row in the database. 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table in which to replace the row 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this row will explicitly be 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the row. The key 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long replace(String table, String nullColumnHack, ContentValues initialValues) { 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1494600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov return insertWithOnConflict(table, nullColumnHack, initialValues, 14958d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori CONFLICT_REPLACE); 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + initialValues, e); 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for replacing a row in the database. 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table in which to replace the row 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this row will explicitly be 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the row. The key 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long replaceOrThrow(String table, String nullColumnHack, 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContentValues initialValues) throws SQLException { 1516600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov return insertWithOnConflict(table, nullColumnHack, initialValues, 15178d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori CONFLICT_REPLACE); 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * General method for inserting a row into the database. 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for the 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 15308d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * @param conflictAlgorithm for insert conflict resolver 15316eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * @return the row ID of the newly inserted row 15326eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * OR the primary key of the existing row if the input param 'conflictAlgorithm' = 15338d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * {@link #CONFLICT_IGNORE} 15346eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * OR -1 if any error 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insertWithOnConflict(String table, String nullColumnHack, 15376eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori ContentValues initialValues, int conflictAlgorithm) { 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isOpen()) { 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("database not open"); 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Measurements show most sql lengths <= 152 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sql = new StringBuilder(152); 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("INSERT"); 15458d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori sql.append(CONFLICT_VALUES[conflictAlgorithm]); 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" INTO "); 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(table); 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Measurements show most values lengths < 40 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder values = new StringBuilder(40); 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Set<Map.Entry<String, Object>> entrySet = null; 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initialValues != null && initialValues.size() > 0) { 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entrySet = initialValues.valueSet(); 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append('('); 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needSeparator = false; 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (entriesIter.hasNext()) { 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needSeparator) { 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(", "); 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append(", "); 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needSeparator = true; 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(entry.getKey()); 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append('?'); 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(')'); 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("(" + nullColumnHack + ") "); 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append("NULL"); 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" VALUES("); 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(values); 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(");"); 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql.toString()); 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the values 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entrySet != null) { 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = entrySet.size(); 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, entry.getValue()); 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Run the program and then cleanup 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long insertedRowId = lastInsertRow(); 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (insertedRowId == -1) { 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + initialValues + " using " + sql); 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD && Log.isLoggable(TAG, Log.VERBOSE)) { 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Inserting row " + insertedRowId + " from " 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + initialValues + " using " + sql); 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return insertedRowId; 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for deleting rows in the database. 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to delete from 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when deleting. 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will delete all rows. 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected if a whereClause is passed in, 0 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * otherwise. To remove all rows and get a count pass "1" as the 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * whereClause. 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int delete(String table, String whereClause, String[] whereArgs) { 1629c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isOpen()) { 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("database not open"); 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement("DELETE FROM " + table 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + (!TextUtils.isEmpty(whereClause) 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? " WHERE " + whereClause : "")); 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whereArgs != null) { 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numArgs = whereArgs.length; 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numArgs; i++) { 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, whereArgs[i]); 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastChangeCount(); 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for updating rows in the database. 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to update in 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values a map from column names to new column values. null is a 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * valid value that will be translated to NULL. 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when updating. 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will update all rows. 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int update(String table, ContentValues values, String whereClause, String[] whereArgs) { 16688d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return updateWithOnConflict(table, values, whereClause, whereArgs, CONFLICT_NONE); 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1670600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for updating rows in the database. 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to update in 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values a map from column names to new column values. null is a 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * valid value that will be translated to NULL. 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when updating. 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will update all rows. 16798d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * @param conflictAlgorithm for update conflict resolver 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1682600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov public int updateWithOnConflict(String table, ContentValues values, 16836eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori String whereClause, String[] whereArgs, int conflictAlgorithm) { 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (values == null || values.size() == 0) { 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Empty values"); 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sql = new StringBuilder(120); 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("UPDATE "); 16908d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori sql.append(CONFLICT_VALUES[conflictAlgorithm]); 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(table); 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" SET "); 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Set<Map.Entry<String, Object>> entrySet = values.valueSet(); 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (entriesIter.hasNext()) { 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(entry.getKey()); 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("=?"); 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entriesIter.hasNext()) { 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(", "); 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(whereClause)) { 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" WHERE "); 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(whereClause); 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 1712c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori if (!isOpen()) { 1713c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori throw new IllegalStateException("database not open"); 1714c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori } 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql.toString()); 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the values 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = entrySet.size(); 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entriesIter = entrySet.iterator(); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bindArg = 1; 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, bindArg, entry.getValue()); 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindArg++; 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whereArgs != null) { 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size = whereArgs.length; 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.bindString(bindArg, whereArgs[i]); 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindArg++; 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Run the program and then cleanup 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numChangedRows = lastChangeCount(); 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD && Log.isLoggable(TAG, Log.VERBOSE)) { 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Updated " + numChangedRows + " using " + values + " and " + sql); 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numChangedRows; 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error updating " + values + " using " + sql); 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Execute a single SQL statement that is not a query. For example, CREATE 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TABLE, DELETE, INSERT, etc. Multiple statements separated by ;s are not 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * supported. it takes a write lock 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException If the SQL string is invalid for some reason 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void execSQL(String sql) throws SQLException { 1766c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori long timeStart = SystemClock.uptimeMillis(); 1767c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1768f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1769f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1770f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 1771722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(mLastSqlStatement, timeStart, GET_LOCK_LOG_PREFIX); 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL(sql); 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1780b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick 1781b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Log commit statements along with the most recently executed 1782b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // SQL statement for disambiguation. Note that instance 1783b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // equality to COMMIT_SQL is safe here. 1784b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick if (sql == COMMIT_SQL) { 1785722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(mLastSqlStatement, timeStart, COMMIT_SQL); 1786b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick } else { 1787722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(sql, timeStart, null); 1788b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick } 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Execute a single SQL statement that is not a query. For example, CREATE 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TABLE, DELETE, INSERT, etc. Multiple statements separated by ;s are not 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * supported. it takes a write lock, 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bindArgs only byte[], String, Long and Double are supported in bindArgs. 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException If the SQL string is invalid for some reason 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void execSQL(String sql, Object[] bindArgs) throws SQLException { 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bindArgs == null) { 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Empty bindArgs"); 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1804d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick long timeStart = SystemClock.uptimeMillis(); 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 1806c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori if (!isOpen()) { 1807c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori throw new IllegalStateException("database not open"); 1808c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori } 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql); 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bindArgs != null) { 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numArgs = bindArgs.length; 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numArgs; i++) { 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, bindArgs[i]); 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 182812311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor logTimeStat(sql, timeStart); 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpen()) { 1834d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori Log.e(TAG, "close() was never explicitly called on database '" + 1835d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori mPath + "' ", mStackTrace); 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeClosable(); 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onAllReferencesReleased(); 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Private constructor. See {@link #create} and {@link #openDatabase}. 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The full path to the database 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory The factory to use when creating cursors, may be NULL. 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param flags 0 or {@link #NO_LOCALIZED_COLLATORS}. If the database file already 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exists, mFlags will be updated appropriately. 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SQLiteDatabase(String path, CursorFactory factory, int flags) { 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (path == null) { 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("path should not be null"); 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlags = flags; 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 185590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov mSlowQueryThreshold = SystemProperties.getInt(LOG_SLOW_QUERIES_PROPERTY, -1); 185608b448ea39e9fabfc5212ae6f7226eba4385d189Vasu Nori mStackTrace = new DatabaseObjectNotClosedException().fillInStackTrace(); 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms = new WeakHashMap<SQLiteClosable,Object>(); 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return whether the DB is opened as read only. 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if DB is opened as read only 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isReadOnly() { 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mFlags & OPEN_READ_MASK) == OPEN_READONLY; 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the DB is currently open (has not been closed) 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isOpen() { 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNativeHandle != 0; 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean needUpgrade(int newVersion) { 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return newVersion > getVersion(); 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Getter for the path to the database file. 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the path to our database file. 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final String getPath() { 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPath; 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1889d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick /* package */ void logTimeStat(String sql, long beginMillis) { 1890722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(sql, beginMillis, null); 1891722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1892722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 1893722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick /* package */ void logTimeStat(String sql, long beginMillis, String prefix) { 1894b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Keep track of the last statement executed here, as this is 1895b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // the common funnel through which all methods of hitting 1896b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // libsqlite eventually flow. 1897b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick mLastSqlStatement = sql; 1898b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick 1899e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Sample fast queries in proportion to the time taken. 1900e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Quantize the % first, so the logged sampling probability 1901e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // exactly equals the actual sampling rate for this query. 1902e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1903e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori int samplePercent; 1904d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick long durationMillis = SystemClock.uptimeMillis() - beginMillis; 1905722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (durationMillis == 0 && prefix == GET_LOCK_LOG_PREFIX) { 1906722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // The common case is locks being uncontended. Don't log those, 1907722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // even at 1%, which is our default below. 1908722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick return; 1909722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1910722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (sQueryLogTimeInMillis == 0) { 1911722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick sQueryLogTimeInMillis = SystemProperties.getInt("db.db_operation.threshold_ms", 500); 1912722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1913722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (durationMillis >= sQueryLogTimeInMillis) { 1914e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori samplePercent = 100; 1915722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } else {; 1916722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick samplePercent = (int) (100 * durationMillis / sQueryLogTimeInMillis) + 1; 1917e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (mRandom.nextInt(100) >= samplePercent) return; 19185a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 1919e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1920722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // Note: the prefix will be "COMMIT;" or "GETLOCK:" when non-null. We wait to do 1921722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // it here so we avoid allocating in the common case. 1922722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (prefix != null) { 1923722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick sql = prefix + sql; 1924722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1925722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 1926e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (sql.length() > QUERY_LOG_SQL_LENGTH) sql = sql.substring(0, QUERY_LOG_SQL_LENGTH); 1927e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1928e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // ActivityThread.currentPackageName() only returns non-null if the 1929e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // current thread is an application main thread. This parameter tells 1930e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // us whether an event loop is blocked, and if so, which app it is. 1931e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // 1932e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Sadly, there's no fast way to determine app name if this is *not* a 1933e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // main thread, or when we are invoked via Binder (e.g. ContentProvider). 1934e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Hopefully the full path to the database will be informative enough. 1935e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1936e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori String blockingPackage = ActivityThread.currentPackageName(); 1937e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (blockingPackage == null) blockingPackage = ""; 1938e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1939d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick EventLog.writeEvent( 1940d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick EVENT_DB_OPERATION, 1941d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick getPathForLogs(), 1942d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick sql, 1943d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick durationMillis, 1944d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick blockingPackage, 1945d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick samplePercent); 1946d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1947d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 1948d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick /** 1949d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * Removes email addresses from database filenames before they're 1950d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * logged to the EventLog where otherwise apps could potentially 1951d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * read them. 1952d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick */ 1953d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private String getPathForLogs() { 1954d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPathForLogs != null) { 1955d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return mPathForLogs; 1956d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1957d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPath == null) { 1958d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return null; 1959d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1960d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPath.indexOf('@') == -1) { 1961d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick mPathForLogs = mPath; 1962d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } else { 1963d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick mPathForLogs = EMAIL_IN_DB_PATTERN.matcher(mPath).replaceAll("XX@YY"); 1964d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1965d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return mPathForLogs; 19665a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19675a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 19685a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 1969e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * Sets the locale for this database. Does nothing if this database has 1970e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * the NO_LOCALIZED_COLLATORS flag set or was opened read only. 1971e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @throws SQLException if the locale could not be set. The most common reason 1972e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * for this is that there is no collator available for the locale you requested. 1973e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * In this case the database remains unchanged. 19745a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 1975e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public void setLocale(Locale locale) { 1976e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori lock(); 1977e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori try { 1978e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori native_setLocale(locale.toString(), mFlags); 1979e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } finally { 1980e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori unlock(); 19815a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19825a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19835a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 19849463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori /* package */ void verifyLockOwner() { 19859463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori if (!isOpen()) { 19869463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori throw new IllegalStateException("database " + getPath() + " already closed"); 19879463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori } 19889463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori if (!isDbLockedByCurrentThread() && mLockingEnabled) { 19899463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori throw new IllegalStateException("Don't have database lock!"); 19909463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori } 19919463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori } 19929463f297ef51bd056626d0fb0708c83509f7ebd9Vasu Nori 1993e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* 1994e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * ============================================================================ 1995e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 1996e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * The following methods deal with compiled-sql cache 1997e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * ============================================================================ 1998e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 19995a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 20005a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * adds the given sql and its compiled-statement-id-returned-by-sqlite to the 20015a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * cache of compiledQueries attached to 'this'. 20025a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 20035a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * if there is already a {@link SQLiteCompiledSql} in compiledQueries for the given sql, 20045a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * the new {@link SQLiteCompiledSql} object is NOT inserted into the cache (i.e.,the current 20055a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * mapping is NOT replaced with the new mapping). 20065a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 2007e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* package */ void addToCompiledQueries(String sql, SQLiteCompiledSql compiledStatement) { 20085a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori SQLiteCompiledSql compiledSql = null; 20095a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori synchronized(mCompiledQueries) { 20105a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori // don't insert the new mapping if a mapping already exists 20115a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori compiledSql = mCompiledQueries.get(sql); 20125a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (compiledSql != null) { 2013e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori return; 20145a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 201520f549fd2f40db524242c9038d7d63356adf95fcVasu Nori 20165a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (mCompiledQueries.size() == mMaxSqlCacheSize) { 201749d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori /* 201849d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori * cache size of {@link #mMaxSqlCacheSize} is not enough for this app. 201920f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * log a warning. 202020f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * chances are it is NOT using ? for bindargs - or cachesize is too small. 20215a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 202249d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori if (++mCacheFullWarnings == MAX_WARNINGS_ON_CACHESIZE_CONDITION) { 202349d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori Log.w(TAG, "Reached MAX size for compiled-sql statement cache for database " + 202420f549fd2f40db524242c9038d7d63356adf95fcVasu Nori getPath() + ". Consider increasing cachesize."); 20255a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 202620f549fd2f40db524242c9038d7d63356adf95fcVasu Nori } 202720f549fd2f40db524242c9038d7d63356adf95fcVasu Nori /* add the given SQLiteCompiledSql compiledStatement to cache. 202820f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * no need to worry about the cache size - because {@link #mCompiledQueries} 202920f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * self-limits its size to {@link #mMaxSqlCacheSize}. 203020f549fd2f40db524242c9038d7d63356adf95fcVasu Nori */ 203120f549fd2f40db524242c9038d7d63356adf95fcVasu Nori mCompiledQueries.put(sql, compiledStatement); 203220f549fd2f40db524242c9038d7d63356adf95fcVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 203320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori Log.v(TAG, "|adding_sql_to_cache|" + getPath() + "|" + 203420f549fd2f40db524242c9038d7d63356adf95fcVasu Nori mCompiledQueries.size() + "|" + sql); 20355a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20365a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 2037e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2038e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2039e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori private void deallocCachedSqlStatements() { 2040e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori synchronized (mCompiledQueries) { 2041e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori for (SQLiteCompiledSql compiledSql : mCompiledQueries.values()) { 2042e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori compiledSql.releaseSqlStatement(); 2043e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2044e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mCompiledQueries.clear(); 2045e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 20465a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20475a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 20485a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 20495a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * from the compiledQueries cache, returns the compiled-statement-id for the given sql. 20505a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * returns null, if not found in the cache. 20515a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 20525a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /* package */ SQLiteCompiledSql getCompiledStatementForSql(String sql) { 20535a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori SQLiteCompiledSql compiledStatement = null; 20545a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori boolean cacheHit; 20555a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori synchronized(mCompiledQueries) { 20565a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori cacheHit = (compiledStatement = mCompiledQueries.get(sql)) != null; 20575a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20585a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (cacheHit) { 20595a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mNumCacheHits++; 20605a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } else { 20615a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mNumCacheMisses++; 20625a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20635a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 20645a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 20655a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori Log.v(TAG, "|cache_stats|" + 20665a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori getPath() + "|" + mCompiledQueries.size() + 20675a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori "|" + mNumCacheHits + "|" + mNumCacheMisses + 206820f549fd2f40db524242c9038d7d63356adf95fcVasu Nori "|" + cacheHit + "|" + sql); 20695a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20705a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori return compiledStatement; 20715a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20725a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 2073e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 207490a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * set the max size of the prepared-statement cache for this database. 2075e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * (size of the cache = number of compiled-sql-statements stored in the cache). 2076e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 207790a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * max cache size can ONLY be increased from its current size (default = 10). 2078e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * if this method is called with smaller size than the current value of mMaxSqlCacheSize, 2079e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * then IllegalStateException is thrown 2080e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 2081e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * synchronized because we don't want t threads to change cache size at the same time. 208290a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * @param cacheSize the size of the cache. can be (0 to {@link #MAX_SQL_CACHE_SIZE}) 208390a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * @throws IllegalStateException if input cacheSize > {@link #MAX_SQL_CACHE_SIZE} or 208490a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * > the value set with previous setMaxSqlCacheSize() call. 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2086e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public synchronized void setMaxSqlCacheSize(int cacheSize) { 2087e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (cacheSize > MAX_SQL_CACHE_SIZE || cacheSize < 0) { 2088e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori throw new IllegalStateException("expected value between 0 and " + MAX_SQL_CACHE_SIZE); 2089e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } else if (cacheSize < mMaxSqlCacheSize) { 2090e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori throw new IllegalStateException("cannot set cacheSize to a value less than the value " + 2091e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori "set with previous setMaxSqlCacheSize() call."); 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2093e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mMaxSqlCacheSize = cacheSize; 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2096c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori static class ActiveDatabases { 2097c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private static final ActiveDatabases activeDatabases = new ActiveDatabases(); 2098c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private HashSet<WeakReference<SQLiteDatabase>> mActiveDatabases = 2099c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori new HashSet<WeakReference<SQLiteDatabase>>(); 2100c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private ActiveDatabases() {} // disable instantiation of this class 2101c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori static ActiveDatabases getInstance() {return activeDatabases;} 2102c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2103c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2104f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori /** 2105f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori * this method is used to collect data about ALL open databases in the current process. 2106f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori * bugreport is a user of this data. 2107f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori */ 2108c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /* package */ static ArrayList<DbStats> getDbStats() { 2109c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<DbStats> dbStatsList = new ArrayList<DbStats>(); 2110c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori for (WeakReference<SQLiteDatabase> w : ActiveDatabases.getInstance().mActiveDatabases) { 2111c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori SQLiteDatabase db = w.get(); 2112c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (db == null || !db.isOpen()) { 2113c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori continue; 2114c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2115c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get SQLITE_DBSTATUS_LOOKASIDE_USED for the db 2116c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int lookasideUsed = db.native_getDbLookaside(); 2117c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2118c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get the lastnode of the dbname 2119c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String path = db.getPath(); 2120c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int indx = path.lastIndexOf("/"); 2121c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String lastnode = path.substring((indx != -1) ? ++indx : 0); 2122c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2123c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get list of attached dbs and for each db, get its size and pagesize 2124062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori ArrayList<Pair<String, String>> attachedDbs = db.getAttachedDbs(); 2125f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (attachedDbs == null) { 2126f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori continue; 2127f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2128c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori for (int i = 0; i < attachedDbs.size(); i++) { 2129c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori Pair<String, String> p = attachedDbs.get(i); 2130c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori long pageCount = getPragmaVal(db, p.first + ".page_count;"); 2131c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2132c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // first entry in the attached db list is always the main database 2133c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // don't worry about prefixing the dbname with "main" 2134c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String dbName; 2135c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (i == 0) { 2136c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName = lastnode; 2137c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } else { 2138c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // lookaside is only relevant for the main db 2139c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori lookasideUsed = 0; 2140c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName = " (attached) " + p.first; 2141c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // if the attached db has a path, attach the lastnode from the path to above 2142c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (p.second.trim().length() > 0) { 2143c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int idx = p.second.lastIndexOf("/"); 2144c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName += " : " + p.second.substring((idx != -1) ? ++idx : 0); 2145c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2146c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2147f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (pageCount > 0) { 2148f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori dbStatsList.add(new DbStats(dbName, pageCount, db.getPageSize(), 214990a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori lookasideUsed, db.mNumCacheHits, db.mNumCacheMisses, 215090a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori db.mCompiledQueries.size())); 2151f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2152c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2153c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2154c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return dbStatsList; 2155c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2156c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2157c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2158c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * get the specified pragma value from sqlite for the specified database. 2159c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * only handles pragma's that return int/long. 2160c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * NO JAVA locks are held in this method. 2161c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * TODO: use this to do all pragma's in this class 2162c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2163c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private static long getPragmaVal(SQLiteDatabase db, String pragma) { 2164f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!db.isOpen()) { 2165f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return 0; 2166f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2167c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori SQLiteStatement prog = null; 2168c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori try { 2169c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori prog = new SQLiteStatement(db, "PRAGMA " + pragma); 2170c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori long val = prog.simpleQueryForLong(); 2171c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return val; 2172c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } finally { 2173c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (prog != null) prog.close(); 2174c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2175c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2176c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2177c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2178062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * returns list of full pathnames of all attached databases including the main database 2179062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @return ArrayList of pairs of (database name, database file path) or null if the database 2180062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * is not open. 2181c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2182062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public ArrayList<Pair<String, String>> getAttachedDbs() { 2183062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (!isOpen()) { 2184f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return null; 2185f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2186c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<Pair<String, String>> attachedDbs = new ArrayList<Pair<String, String>>(); 2187062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Cursor c = null; 2188062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 2189062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori c = rawQuery("pragma database_list;", null); 2190062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori while (c.moveToNext()) { 2191062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // sqlite returns a row for each database in the returned list of databases. 2192062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // in each row, 2193062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // 1st column is the database name such as main, or the database 2194062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // name specified on the "ATTACH" command 2195062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // 2nd column is the database file path. 2196062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori attachedDbs.add(new Pair<String, String>(c.getString(1), c.getString(2))); 2197062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2198062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } finally { 2199062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (c != null) { 2200062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori c.close(); 2201062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2202c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2203c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return attachedDbs; 2204c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2205c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 22069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2207062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * run pragma integrity_check on the given database (and all the attached databases) 2208062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * and return true if the given database (and all its attached databases) pass integrity_check, 2209062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * false otherwise. 2210062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * 2211062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * if the result is false, then this method logs the errors reported by the integrity_check 2212062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * command execution. 2213062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * 2214062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @return true if the given database (and all its attached databases) pass integrity_check, 2215062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * false otherwise 2216062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 2217062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public boolean isDatabaseIntegrityOk() { 2218062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (!isOpen()) { 2219062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori throw new IllegalStateException("database: " + getPath() + " is NOT open"); 2220062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2221062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori ArrayList<Pair<String, String>> attachedDbs = getAttachedDbs(); 2222062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (attachedDbs == null) { 2223062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori throw new IllegalStateException("databaselist for: " + getPath() + " couldn't " + 2224062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori "be retrieved. probably because the database is closed"); 2225062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2226062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori boolean isDatabaseCorrupt = false; 2227062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori for (int i = 0; i < attachedDbs.size(); i++) { 2228062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Pair<String, String> p = attachedDbs.get(i); 2229062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori SQLiteStatement prog = null; 2230062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 2231062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori prog = compileStatement("PRAGMA " + p.first + ".integrity_check(1);"); 2232062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori String rslt = prog.simpleQueryForString(); 2233062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (!rslt.equalsIgnoreCase("ok")) { 2234062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // integrity_checker failed on main or attached databases 2235062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori isDatabaseCorrupt = true; 2236062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Log.e(TAG, "PRAGMA integrity_check on " + p.second + " returned: " + rslt); 2237062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2238062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } finally { 2239062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (prog != null) prog.close(); 2240062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2241062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2242062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return isDatabaseCorrupt; 2243062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2244062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 2245062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to open the database. 22479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The full path to the database 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void dbopen(String path, int flags); 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22533ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * Native call to setup tracing of all sql statements 22543ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * 22553ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * @param path the full path to the database 22563ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori */ 22573ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori private native void enableSqlTracing(String path); 22583ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori 22593ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori /** 22603ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * Native call to setup profiling of all sql statements. 22613ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * currently, sqlite's profiling = printing of execution-time 22623ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * (wall-clock time) of each of the sql statements, as they 22633ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * are executed. 22643ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * 22653ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * @param path the full path to the database 22663ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori */ 22673ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori private native void enableSqlProfiling(String path); 22683ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori 22693ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori /** 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to execute a raw SQL statement. {@link #lock} must be held 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when calling this method. 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql The raw SQL string 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native void native_execSQL(String sql) throws SQLException; 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to set the locale. {@link #lock} must be held when calling 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method. 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native void native_setLocale(String loc, int flags); 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the row ID of the last row inserted into the database. 22879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the last row inserted into the database. 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native long lastInsertRow(); 22919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of changes made in the last statement executed. 22949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of changes made in the last statement executed. 22969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native int lastChangeCount(); 2298c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2299c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2300c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * return the SQLITE_DBSTATUS_LOOKASIDE_USED documented here 2301c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * http://www.sqlite.org/c3ref/c_dbstatus_lookaside_used.html 2302c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * @return int value of SQLITE_DBSTATUS_LOOKASIDE_USED 2303c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2304c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private native int native_getDbLookaside(); 23059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2306