SQLiteDatabase.java revision 9504c70f8862f5ffc55b07bc374e0b18b78a2dc6
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. 2789504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori synchronized(mCompiledQueries) { // probably not necessary, but can't hurt 2799504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori if (this.size() <= mMaxSqlCacheSize) { 2809504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // cache is not full. nothing needs to be removed 2819504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori return false; 2829504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori } 2839504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // cache is full. eldest will be removed. 2849504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori SQLiteCompiledSql entry = eldest.getValue(); 2859504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori if (!entry.isInUse()) { 2869504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // this {@link SQLiteCompiledSql} is not in use. release it. 2879504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori entry.releaseSqlStatement(); 2889504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori } 2899504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori // return true, so that this entry is removed automatically by the caller. 2909504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori return true; 2919504c70f8862f5ffc55b07bc374e0b18b78a2dc6Vasu Nori } 29220f549fd2f40db524242c9038d7d63356adf95fcVasu Nori } 29320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori }; 294e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 29520f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * absolute max value that can be set by {@link #setMaxSqlCacheSize(int)} 29690a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * size of each prepared-statement is between 1K - 6K, depending on the complexity of the 29790a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * sql statement & schema. 298e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 29990a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori public static final int MAX_SQL_CACHE_SIZE = 100; 300e9d9210205b280b4ea0402f78d7dd717068af650Vasu Nori private int mCacheFullWarnings; 30149d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori private static final int MAX_WARNINGS_ON_CACHESIZE_CONDITION = 1; 3025a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 3035a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** maintain stats about number of cache hits and misses */ 3045a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private int mNumCacheHits; 3055a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori private int mNumCacheMisses; 3065a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 307d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori /** Used to find out where this object was created in case it never got closed. */ 308d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori private Throwable mStackTrace = null; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 31090142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov // System property that enables logging of slow queries. Specify the threshold in ms. 31190142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov private static final String LOG_SLOW_QUERIES_PROPERTY = "db.log.slow_query_threshold"; 31290142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov private final int mSlowQueryThreshold; 31390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov 314062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** {@link DatabaseErrorHandler} to be used when SQLite returns any of the following errors 315062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * Corruption 316062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * */ 317062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori private DatabaseErrorHandler errorHandler; 318062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param closable 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void addSQLiteClosable(SQLiteClosable closable) { 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms.put(closable, null); 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 330600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void removeSQLiteClosable(SQLiteClosable closable) { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms.remove(closable); 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 338600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 339600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onAllReferencesReleased() { 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpen()) { 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project dbclose(); 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Attempts to release memory that SQLite holds but does not require to 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * operate properly. Typically this memory will come from the page cache. 350600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of bytes actually released 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 353600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov static public native int releaseMemory(); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Control whether or not the SQLiteDatabase is made thread-safe by using locks 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around critical sections. This is pretty expensive, so if you know that your 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * DB will only be used by a single thread then you should set this to false. 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The default is true. 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param lockingEnabled set to true to enable locks, false otherwise 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setLockingEnabled(boolean lockingEnabled) { 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockingEnabled = lockingEnabled; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * If set then the SQLiteDatabase is made thread-safe by using locks 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * around critical sections 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mLockingEnabled = true; 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void onCorruption() { 373f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori EventLog.writeEvent(EVENT_DB_CORRUPT, mPath); 374062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori errorHandler.onCorruption(this); 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the database for exclusive access. The database lock must be held when 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * touch the native sqlite3* object since it is single threaded and uses 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a polling lock contention algorithm. The lock is recursive, and may be acquired 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple times by the same thread. This is a no-op if mLockingEnabled is false. 382600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlock() 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void lock() { 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLockingEnabled) return; 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Locks the database for exclusive access. The database lock must be held when 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * touch the native sqlite3* object since it is single threaded and uses 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a polling lock contention algorithm. The lock is recursive, and may be acquired 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * multiple times by the same thread. 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlockForced() 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void lockForced() { 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.lock(); 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the database lock. This is a no-op if mLockingEnabled is false. 418600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlock() 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void unlock() { 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLockingEnabled) return; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkLockHoldTime(); 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the database lock. 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #unlockForced() 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void unlockForced() { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING) { 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() == 1) { 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkLockHoldTime(); 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLock.unlock(); 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void checkLockHoldTime() { 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Use elapsed real-time since the CPU may sleep when waiting for IO 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long elapsedTime = SystemClock.elapsedRealtime(); 448600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov long lockedTime = elapsedTime - mLockAcquiredWallTime; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lockedTime < LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT && 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project !Log.isLoggable(TAG, Log.VERBOSE) && 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (elapsedTime - mLastLockMessageTime) < LOCK_WARNING_WINDOW_IN_MS) { 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (lockedTime > LOCK_ACQUIRED_WARNING_TIME_IN_MS) { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int threadTime = (int) 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((Debug.threadCpuTimeNanos() - mLockAcquiredThreadTime) / 1000000); 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (threadTime > LOCK_ACQUIRED_WARNING_THREAD_TIME_IN_MS || 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lockedTime > LOCK_ACQUIRED_WARNING_TIME_IN_MS_ALWAYS_PRINT) { 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastLockMessageTime = elapsedTime; 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String msg = "lock held on " + mPath + " for " + lockedTime + "ms. Thread time was " 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + threadTime + "ms"; 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SQLiteDebug.DEBUG_LOCK_TIME_TRACKING_STACK_TRACE) { 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, msg, new Exception()); 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, msg); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 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 * Begins a transaction. Transactions can be nested. When the outer transaction is ended all of 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the work done in that transaction and all of the nested transactions will be committed or 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * rolled back. The changes will be rolled back if any transaction is ended without being 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * marked as clean (by calling setTransactionSuccessful). Otherwise they will be committed. 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Here is the standard idiom for transactions: 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre> 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.beginTransaction(); 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * try { 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.setTransactionSuccessful(); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } finally { 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * db.endTransaction(); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * } 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void beginTransaction() { 490c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana beginTransactionWithListener(null /* transactionStatusCallback */); 491c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 492c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana 493c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana /** 494c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * Begins a transaction. Transactions can be nested. When the outer transaction is ended all of 495c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * the work done in that transaction and all of the nested transactions will be committed or 496c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * rolled back. The changes will be rolled back if any transaction is ended without being 497c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * marked as clean (by calling setTransactionSuccessful). Otherwise they will be committed. 498c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * 499c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * <p>Here is the standard idiom for transactions: 500c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * 501c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * <pre> 502c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.beginTransactionWithListener(listener); 503c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * try { 504c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * ... 505c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.setTransactionSuccessful(); 506c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * } finally { 507c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * db.endTransaction(); 508c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * } 509c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * </pre> 510c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * @param transactionListener listener that should be notified when the transaction begins, 511c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * commits, or is rolled back, either explicitly or by a call to 512c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana * {@link #yieldIfContendedSafely}. 513c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana */ 514c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana public void beginTransactionWithListener(SQLiteTransactionListener transactionListener) { 515c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lockForced(); 516f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 517f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 518f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean ok = false; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If this thread already had the lock then get out 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() > 1) { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String msg = "Cannot call beginTransaction between " 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "calling setTransactionSuccessful and endTransaction"; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IllegalStateException e = new IllegalStateException(msg); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "beginTransaction() failed", e); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = true; 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This thread didn't already have the lock, so begin a database 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // transaction now. 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("BEGIN EXCLUSIVE;"); 537c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener = transactionListener; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransactionIsSuccessful = true; 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = false; 540c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (transactionListener != null) { 541c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana try { 542c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana transactionListener.onBegin(); 543c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } catch (RuntimeException e) { 544c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana execSQL("ROLLBACK;"); 545c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana throw e; 546c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 547c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ok = true; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!ok) { 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // beginTransaction is called before the try block so we must release the lock in 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the case of failure. 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockForced(); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * End a transaction. See beginTransaction for notes about how to use this and when transactions 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are committed and rolled back. 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void endTransaction() { 563f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 564f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 565f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLock.isHeldByCurrentThread()) { 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("no transaction pending"); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = false; 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTransactionIsSuccessful = false; 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getHoldCount() != 1) { 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 578c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana RuntimeException savedException = null; 579c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (mTransactionListener != null) { 580c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana try { 581c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (mTransactionIsSuccessful) { 582c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener.onCommit(); 583c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } else { 584c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener.onRollback(); 585c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 586c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } catch (RuntimeException e) { 587c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana savedException = e; 588c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionIsSuccessful = false; 589c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 590c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTransactionIsSuccessful) { 592b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick execSQL(COMMIT_SQL); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("ROLLBACK;"); 596c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana if (savedException != null) { 597c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana throw savedException; 598c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana } 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD) { 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.d(TAG, "exception during rollback, maybe the DB previously " 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + "performed an auto-rollback"); 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 607c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana mTransactionListener = null; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlockForced(); 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGV) { 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "unlocked " + Thread.currentThread() 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ", holdCount is " + mLock.getHoldCount()); 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Marks the current transaction as successful. Do not do any more database work between 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * calling this and calling endTransaction. Do as little non-database work as possible in that 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * situation too. If any errors are encountered between this and endTransaction the transaction 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will still be committed. 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if the current thread is not in a transaction or the 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * transaction is already marked as successful. 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setTransactionSuccessful() { 626f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 627f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 628f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!mLock.isHeldByCurrentThread()) { 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("no transaction pending"); 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInnerTransactionIsSuccessful) { 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "setTransactionSuccessful may only be called once per call to beginTransaction"); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInnerTransactionIsSuccessful = true; 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return true if there is a transaction pending 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean inTransaction() { 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLock.getHoldCount() > 0; 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks if the database lock is held by this thread. 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true, if this thread is holding the database lock. 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDbLockedByCurrentThread() { 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mLock.isHeldByCurrentThread(); 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Checks if the database is locked by another thread. This is 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just an estimate, since this status can change at any time, 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * including after the call is made but before the result has 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * been acted upon. 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true, if the database is locked by another thread 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDbLockedByOtherThreads() { 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return !mLock.isHeldByCurrentThread() && mLock.isLocked(); 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * successful so far. Do not call setTransactionSuccessful before calling this. When this 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns a new transaction will have been created but not marked as successful. 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the transaction was yielded 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated if the db is locked more than once (becuase of nested transactions) then the lock 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will not be yielded. Use yieldIfContendedSafely instead. 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6754a51c20ce607c74914f90fd897f04080121ac13bDianne Hackborn @Deprecated 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean yieldIfContended() { 6775c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(false /* do not check yielding */, 6785c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana -1 /* sleepAfterYieldDelay */); 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * successful so far. Do not call setTransactionSuccessful before calling this. When this 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * returns a new transaction will have been created but not marked as successful. This assumes 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * that there are no nested transactions (beginTransaction has only been called once) and will 6865c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * throw an exception if that is not the case. 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the transaction was yielded 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean yieldIfContendedSafely() { 6905c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(true /* check yielding */, -1 /* sleepAfterYieldDelay*/); 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6935c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana /** 6945c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * Temporarily end the transaction to let other threads run. The transaction is assumed to be 6955c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * successful so far. Do not call setTransactionSuccessful before calling this. When this 6965c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * returns a new transaction will have been created but not marked as successful. This assumes 6975c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * that there are no nested transactions (beginTransaction has only been called once) and will 6985c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * throw an exception if that is not the case. 6995c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * @param sleepAfterYieldDelay if > 0, sleep this long before starting a new transaction if 7005c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * the lock was actually yielded. This will allow other background threads to make some 7015c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * more progress than they would if we started the transaction immediately. 7025c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana * @return true if the transaction was yielded 7035c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana */ 7045c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana public boolean yieldIfContendedSafely(long sleepAfterYieldDelay) { 7055c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana return yieldIfContendedHelper(true /* check yielding */, sleepAfterYieldDelay); 7065c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 7075c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana 7085c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana private boolean yieldIfContendedHelper(boolean checkFullyYielded, long sleepAfterYieldDelay) { 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLock.getQueueLength() == 0) { 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Reset the lock acquire time since we know that the thread was willing to yield 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // the lock at this time. 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredWallTime = SystemClock.elapsedRealtime(); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLockAcquiredThreadTime = Debug.threadCpuTimeNanos(); 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setTransactionSuccessful(); 717c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana SQLiteTransactionListener transactionListener = mTransactionListener; 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project endTransaction(); 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (checkFullyYielded) { 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (this.isDbLockedByCurrentThread()) { 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException( 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Db locked more than once. yielfIfContended cannot yield"); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7255c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana if (sleepAfterYieldDelay > 0) { 726600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // Sleep for up to sleepAfterYieldDelay milliseconds, waking up periodically to 727600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // check if anyone is using the database. If the database is not contended, 728600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov // retake the lock and return. 729600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov long remainingDelay = sleepAfterYieldDelay; 730600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov while (remainingDelay > 0) { 731600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov try { 732600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov Thread.sleep(remainingDelay < SLEEP_AFTER_YIELD_QUANTUM ? 733600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov remainingDelay : SLEEP_AFTER_YIELD_QUANTUM); 734600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } catch (InterruptedException e) { 735600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov Thread.interrupted(); 736600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 737600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov remainingDelay -= SLEEP_AFTER_YIELD_QUANTUM; 738600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov if (mLock.getQueueLength() == 0) { 739600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov break; 740600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 7415c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 7425c7aede8d69f4f0ad617d39decd4453b029ba6afFred Quintana } 743c4516a7b62de525e3d6d5e76851bdfaf12c11f05Fred Quintana beginTransactionWithListener(transactionListener); 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Maps table names to info about what to which _sync_time column to set 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to NULL on an update. This is used to support syncing. */ 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Map<String, SyncUpdateInfo> mSyncUpdateInfo = 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new HashMap<String, SyncUpdateInfo>(); 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Map<String, String> getSyncedTables() { 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mSyncUpdateInfo) { 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project HashMap<String, String> tables = new HashMap<String, String>(); 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String table : mSyncUpdateInfo.keySet()) { 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info = mSyncUpdateInfo.get(table); 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info.deletedTable != null) { 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project tables.put(table, info.deletedTable); 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables; 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Internal class used to keep track what needs to be marked as changed 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when an update occurs. This is used for syncing, so the sync engine 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * knows what data has been updated locally. 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private class SyncUpdateInfo { 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates the SyncUpdateInfo class. 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param masterTable The table to set _sync_time to NULL in 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * master table 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey The key that refers to the primary key in table 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo(String masterTable, String deletedTable, 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String foreignKey) { 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.masterTable = masterTable; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.deletedTable = deletedTable; 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.foreignKey = foreignKey; 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The table containing the _sync_time column */ 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String masterTable; 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The deleted table that corresponds to the master table */ 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String deletedTable; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** The key in the local table the row in table. It may be _id, if table 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is the local table. */ 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String foreignKey; 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to allow returning sub-classes of {@link Cursor} when calling query. 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface CursorFactory { 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link SQLiteCursor#SQLiteCursor(SQLiteDatabase, SQLiteCursorDriver, 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * String, SQLiteQuery)}. 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor newCursor(SQLiteDatabase db, 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursorDriver masterQuery, String editTable, 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteQuery query); 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Open the database according to the flags {@link #OPEN_READWRITE} 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #OPEN_READONLY} {@link #CREATE_IF_NECESSARY} and/or {@link #NO_LOCALIZED_COLLATORS}. 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the locale of the database to the the system's current locale. 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #setLocale} if you would like something else.</p> 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path to database file to open and/or create 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory an optional factory class that is called to instantiate a 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor when query is called, or null for default 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param flags to control database access mode 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the newly opened database 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLiteException if the database cannot be opened 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openDatabase(String path, CursorFactory factory, int flags) { 826062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return openDatabase(path, factory, flags, new DefaultDatabaseErrorHandler()); 827062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 828062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 829062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 830062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * same as {@link #openDatabase(String, CursorFactory, int)} except for an additional param 831062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * errorHandler. 832062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @param errorHandler the {@link DatabaseErrorHandler} obj to be used when database 833062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * corruption is detected on the database. 834062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 835062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public static SQLiteDatabase openDatabase(String path, CursorFactory factory, int flags, 836062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori DatabaseErrorHandler errorHandler) { 837062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori SQLiteDatabase sqliteDatabase = new SQLiteDatabase(path, factory, flags); 838062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 839062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // set the ErrorHandler to be used when SQLite reports exceptions 840062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori sqliteDatabase.errorHandler = errorHandler; 841062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Open the database. 844062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori sqliteDatabase.openDatabase(path, flags); 8453ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori if (SQLiteDebug.DEBUG_SQL_STATEMENTS) { 8463ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori sqliteDatabase.enableSqlTracing(path); 8473ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori } 8483ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori if (SQLiteDebug.DEBUG_SQL_TIME) { 8493ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori sqliteDatabase.enableSqlProfiling(path); 8503ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori } 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 852062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // Database is not even openable. 853062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori errorHandler.onCorruption(sqliteDatabase); 854c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori sqliteDatabase = new SQLiteDatabase(path, factory, flags); 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 856c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ActiveDatabases.getInstance().mActiveDatabases.add( 857c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori new WeakReference<SQLiteDatabase>(sqliteDatabase)); 858c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return sqliteDatabase; 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 861062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori private void openDatabase(String path, int flags) { 862062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // Open the database. 863062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori dbopen(path, flags); 864062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 865062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori setLocale(Locale.getDefault()); 866062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } catch (RuntimeException e) { 867062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Log.e(TAG, "Failed to setLocale(). closing the database", e); 868062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori dbclose(); 869062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori throw e; 870062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 871062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 872062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Equivalent to openDatabase(file.getPath(), factory, CREATE_IF_NECESSARY). 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openOrCreateDatabase(File file, CursorFactory factory) { 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openOrCreateDatabase(file.getPath(), factory); 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Equivalent to openDatabase(path, factory, CREATE_IF_NECESSARY). 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase openOrCreateDatabase(String path, CursorFactory factory) { 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openDatabase(path, factory, CREATE_IF_NECESSARY); 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 888062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * same as {@link #openOrCreateDatabase(String, CursorFactory)} except for an additional param 889062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * errorHandler. 890062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @param errorHandler the {@link DatabaseErrorHandler} obj to be used when database 891062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * corruption is detected on the database. 892062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 893062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public static SQLiteDatabase openOrCreateDatabase(String path, CursorFactory factory, 894062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori DatabaseErrorHandler errorHandler) { 895062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return openDatabase(path, factory, CREATE_IF_NECESSARY, errorHandler); 896062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 897062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 898062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create a memory backed SQLite database. Its contents will be destroyed 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the database is closed. 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Sets the locale of the database to the the system's current locale. 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call {@link #setLocale} if you would like something else.</p> 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory an optional factory class that is called to instantiate a 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * cursor when query is called 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a SQLiteDatabase object, or null if the database can't be created 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static SQLiteDatabase create(CursorFactory factory) { 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is a magic string with special meaning for SQLite. 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return openDatabase(":memory:", factory, CREATE_IF_NECESSARY); 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Close the database. 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void close() { 918f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 919f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return; // already closed 920f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeClosable(); 924f6373e9513002f55bbe00180a5eb9f1051d53547Vasu Nori // close this database instance - regardless of its reference count value 925f6373e9513002f55bbe00180a5eb9f1051d53547Vasu Nori onAllReferencesReleased(); 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void closeClosable() { 932e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* deallocate all compiled sql statement objects from mCompiledQueries cache. 933e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * this should be done before de-referencing all {@link SQLiteClosable} objects 934e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * from this database object because calling 935e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * {@link SQLiteClosable#onAllReferencesReleasedFromContainer()} could cause the database 936e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * to be closed. sqlite doesn't let a database close if there are 937e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * any unfinalized statements - such as the compiled-sql objects in mCompiledQueries. 938e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 939e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori deallocCachedSqlStatements(); 940e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<SQLiteClosable, Object>> iter = mPrograms.entrySet().iterator(); 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (iter.hasNext()) { 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<SQLiteClosable, Object> entry = iter.next(); 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteClosable program = entry.getKey(); 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (program != null) { 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project program.onAllReferencesReleasedFromContainer(); 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 948600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov } 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 950600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to close the database. 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void dbclose(); 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the database version. 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the database version 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getVersion() { 962c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 963c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 964f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 965f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 966f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, "PRAGMA user_version;"); 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long version = prog.simpleQueryForLong(); 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (int) version; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the database version. 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param version the new database version 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setVersion(int version) { 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("PRAGMA user_version = " + version); 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum size the database may grow to. 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new maximum database size 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getMaximumSize() { 992c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 993c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 994f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 995f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 996f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA max_page_count;"); 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long pageCount = prog.simpleQueryForLong(); 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return pageCount * getPageSize(); 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the maximum size the database will grow to. The maximum size cannot 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be set below the current size. 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBytes the maximum database size, in bytes 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the new maximum database size 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long setMaximumSize(long numBytes) { 1016c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 1017c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1018f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1019f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1020f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long pageSize = getPageSize(); 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long numPages = numBytes / pageSize; 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If numBytes isn't a multiple of pageSize, bump up a page 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((numBytes % pageSize) != 0) { 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project numPages++; 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA max_page_count = " + numPages); 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long newPageCount = prog.simpleQueryForLong(); 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return newPageCount * pageSize; 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the current database page size, in bytes. 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the database page size, in bytes 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getPageSize() { 1044c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori SQLiteStatement prog = null; 1045c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1046f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1047f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1048f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project prog = new SQLiteStatement(this, 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "PRAGMA page_size;"); 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long size = prog.simpleQueryForLong(); 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (prog != null) prog.close(); 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the database page size. The page size must be a power of two. This 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * method does not work if any data has been written to the database file, 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and must be called right after the database has been created. 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param numBytes the database page size, in bytes 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPageSize(long numBytes) { 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("PRAGMA page_size = " + numBytes); 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable. When an update occurs in this table the 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * _sync_dirty field will be set to ensure proper syncing operation. 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to mark as syncable 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * syncable table 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void markTableSyncable(String table, String deletedTable) { 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project markTableSyncable(table, "_id", table, deletedTable); 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable, with the _sync_dirty residing in another 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * table. When an update occurs in this table the _sync_dirty field of the 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row in updateTable with the _id in foreignKey will be set to 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ensure proper syncing operation. 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table an update on this table will trigger a sync time removal 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey this is the column in table whose value is an _id in 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param updateTable this is the table that will have its _sync_dirty 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void markTableSyncable(String table, String foreignKey, 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String updateTable) { 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project markTableSyncable(table, foreignKey, updateTable, null); 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Mark this table as syncable, with the _sync_dirty residing in another 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * table. When an update occurs in this table the _sync_dirty field of the 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row in updateTable with the _id in foreignKey will be set to 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ensure proper syncing operation. 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table an update on this table will trigger a sync time removal 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param foreignKey this is the column in table whose value is an _id in 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param updateTable this is the table that will have its _sync_dirty 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param deletedTable The deleted table that corresponds to the 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * updateTable 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void markTableSyncable(String table, String foreignKey, 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String updateTable, String deletedTable) { 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL("SELECT _sync_dirty FROM " + updateTable 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " LIMIT 0"); 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL("SELECT " + foreignKey + " FROM " + table 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " LIMIT 0"); 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info = new SyncUpdateInfo(updateTable, deletedTable, 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project foreignKey); 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSyncUpdateInfo) { 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSyncUpdateInfo.put(table, info); 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Call for each row that is updated in a cursor. 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table the row is in 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rowId the row ID of the updated row 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ void rowUpdated(String table, long rowId) { 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SyncUpdateInfo info; 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (mSyncUpdateInfo) { 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project info = mSyncUpdateInfo.get(table); 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (info != null) { 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project execSQL("UPDATE " + info.masterTable 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " SET _sync_dirty=1 WHERE _id=(SELECT " + info.foreignKey 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + " FROM " + table + " WHERE _id=" + rowId + ")"); 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Finds the name of the first table, which is editable. 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param tables a list of tables 11539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the first table listed 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static String findEditTable(String tables) { 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(tables)) { 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // find the first word terminated by either a space or a comma 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int spacepos = tables.indexOf(' '); 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int commapos = tables.indexOf(','); 11609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (spacepos > 0 && (spacepos < commapos || commapos < 0)) { 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables.substring(0, spacepos); 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (commapos > 0 && (commapos < spacepos || spacepos < 0) ) { 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables.substring(0, commapos); 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return tables; 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("Invalid tables"); 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compiles an SQL statement into a reusable pre-compiled statement object. 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The parameters are identical to {@link #execSQL(String)}. You may put ?s in the 11759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * statement and fill in those values with {@link SQLiteProgram#bindString} 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link SQLiteProgram#bindLong} each time you want to run the 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * statement. Statements may not return result sets larger than 1x1. 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql The raw SQL statement, may contain ? for unknown values to be 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * bound later. 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a pre-compiled statement object. 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public SQLiteStatement compileStatement(String sql) throws SQLException { 1184c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1185f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1186f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1187f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new SQLiteStatement(this, sql); 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given URL, returning a {@link Cursor} over the result set. 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param distinct true if you want each row to be unique, false otherwise. 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A Cursor object, which is positioned before the first entry 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(boolean distinct, String table, String[] columns, 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String selection, String[] selectionArgs, String groupBy, 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String having, String orderBy, String limit) { 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return queryWithFactory(null, distinct, table, columns, selection, selectionArgs, 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project groupBy, having, orderBy, limit); 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given URL, returning a {@link Cursor} over the result set. 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cursorFactory the cursor factory to use, or null for the default factory 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param distinct true if you want each row to be unique, false otherwise. 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A Cursor object, which is positioned before the first entry 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor queryWithFactory(CursorFactory cursorFactory, 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean distinct, String table, String[] columns, 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String selection, String[] selectionArgs, String groupBy, 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String having, String orderBy, String limit) { 1267f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1268f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1269f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String sql = SQLiteQueryBuilder.buildQueryString( 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project distinct, table, columns, selection, groupBy, having, orderBy, limit); 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rawQueryWithFactory( 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursorFactory, sql, selectionArgs, findEditTable(table)); 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given table, returning a {@link Cursor} over the result set. 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 12839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 12849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 12859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 12869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(String table, String[] columns, String selection, 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] selectionArgs, String groupBy, String having, 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String orderBy) { 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return query(false, table, columns, selection, selectionArgs, groupBy, 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project having, orderBy, null /* limit */); 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Query the given table, returning a {@link Cursor} over the result set. 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table The table name to compile the query against. 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param columns A list of which columns to return. Passing null will 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return all columns, which is discouraged to prevent reading 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * data from storage that isn't going to be used. 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selection A filter declaring which rows to return, formatted as an 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * SQL WHERE clause (excluding the WHERE itself). Passing null 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will return all rows for the given table. 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in selection, which will be 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * replaced by the values from selectionArgs, in order that they 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * appear in the selection. The values will be bound as Strings. 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param groupBy A filter declaring how to group rows, formatted as an SQL 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * GROUP BY clause (excluding the GROUP BY itself). Passing null 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will cause the rows to not be grouped. 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param having A filter declare which row groups to include in the cursor, 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if row grouping is being used, formatted as an SQL HAVING 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * clause (excluding the HAVING itself). Passing null will cause 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * all row groups to be included, and is required when row 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * grouping is not being used. 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param orderBy How to order the rows, formatted as an SQL ORDER BY clause 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (excluding the ORDER BY itself). Passing null will use the 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default sort order, which may be unordered. 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param limit Limits the number of rows returned by the query, 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * formatted as LIMIT clause. Passing null denotes no LIMIT clause. 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see Cursor 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor query(String table, String[] columns, String selection, 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] selectionArgs, String groupBy, String having, 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String orderBy, String limit) { 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return query(false, table, columns, selection, selectionArgs, groupBy, 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project having, orderBy, limit); 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a {@link Cursor} over the result set. 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor rawQuery(String sql, String[] selectionArgs) { 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return rawQueryWithFactory(null, sql, selectionArgs, null); 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a cursor over the result set. 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cursorFactory the cursor factory to use, or null for the default factory 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param editTable the name of the first table, which is editable 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Cursor rawQueryWithFactory( 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project CursorFactory cursorFactory, String sql, String[] selectionArgs, 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String editTable) { 1376f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1377f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1378f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long timeStart = 0; 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 138190142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || mSlowQueryThreshold != -1) { 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timeStart = System.currentTimeMillis(); 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursorDriver driver = new SQLiteDirectCursorDriver(this, sql, editTable); 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 138790142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov Cursor cursor = null; 13888f29c12d6ebfa3ed36e81573448fcbc49a98f514Dmitri Plotnikov int count = 0; 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 139090142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov cursor = driver.query( 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project cursorFactory != null ? cursorFactory : mFactory, 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project selectionArgs); 13938f29c12d6ebfa3ed36e81573448fcbc49a98f514Dmitri Plotnikov 13948f29c12d6ebfa3ed36e81573448fcbc49a98f514Dmitri Plotnikov // Force query execution 13958f29c12d6ebfa3ed36e81573448fcbc49a98f514Dmitri Plotnikov if (cursor != null) { 13968f29c12d6ebfa3ed36e81573448fcbc49a98f514Dmitri Plotnikov count = cursor.getCount(); 13978f29c12d6ebfa3ed36e81573448fcbc49a98f514Dmitri Plotnikov } 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 139990142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || mSlowQueryThreshold != -1) { 140090142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long duration = System.currentTimeMillis() - timeStart; 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 140390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov if (Config.LOGV || duration >= mSlowQueryThreshold) { 140490142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov Log.v(SQLiteCursor.TAG, 140590142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov "query (" + duration + " ms): " + driver.toString() + ", args are " 140690142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov + (selectionArgs != null 140790142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov ? TextUtils.join(",", selectionArgs) 14088f29c12d6ebfa3ed36e81573448fcbc49a98f514Dmitri Plotnikov : "<null>") + ", count is " + count); 140990142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov } 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 141290142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov return cursor; 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Runs the provided SQL and returns a cursor over the result set. 1417600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * The cursor will read an initial set of rows and the return to the caller. 1418600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * It will continue to read in batches and send data changed notifications 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when the later batches are ready. 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql the SQL query. The SQL string must not be ; terminated 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param selectionArgs You may include ?s in where clause in the query, 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * which will be replaced by the values from selectionArgs. The 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * values will be bound as Strings. 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialRead set the initial count of items to read from the cursor 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param maxRead set the count of items to read on each iteration after the first 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return A {@link Cursor} object, which is positioned before the first entry 1427600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov * 1428f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * This work is incomplete and not fully tested or reviewed, so currently 1429f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * hidden. 1430f8a7ceaef2e7d5cd530c9426bde91b6fa9a40b75Andy Stadler * @hide 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1432600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov public Cursor rawQuery(String sql, String[] selectionArgs, 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initialRead, int maxRead) { 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteCursor c = (SQLiteCursor)rawQueryWithFactory( 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project null, sql, selectionArgs, null); 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.setLoadStyle(initialRead, maxRead); 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return c; 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for inserting a row into the database. 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values this map contains the initial column values for the 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insert(String table, String nullColumnHack, ContentValues values) { 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 14548d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return insertWithOnConflict(table, nullColumnHack, values, CONFLICT_NONE); 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + values, e); 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for inserting a row into the database. 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values this map contains the initial column values for the 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insertOrThrow(String table, String nullColumnHack, ContentValues values) 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws SQLException { 14768d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return insertWithOnConflict(table, nullColumnHack, values, CONFLICT_NONE); 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for replacing a row in the database. 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table in which to replace the row 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this row will explicitly be 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the row. The key 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long replace(String table, String nullColumnHack, ContentValues initialValues) { 14919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 1492600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov return insertWithOnConflict(table, nullColumnHack, initialValues, 14938d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori CONFLICT_REPLACE); 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + initialValues, e); 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return -1; 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for replacing a row in the database. 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table in which to replace the row 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this row will explicitly be 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the row. The key 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the newly inserted row, or -1 if an error occurred 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long replaceOrThrow(String table, String nullColumnHack, 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContentValues initialValues) throws SQLException { 1514600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov return insertWithOnConflict(table, nullColumnHack, initialValues, 15158d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori CONFLICT_REPLACE); 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * General method for inserting a row into the database. 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to insert the row into 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param nullColumnHack SQL doesn't allow inserting a completely empty row, 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * so if initialValues is empty this column will explicitly be 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * assigned a NULL value 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param initialValues this map contains the initial column values for the 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * row. The keys should be the column names and the values the 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * column values 15288d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * @param conflictAlgorithm for insert conflict resolver 15296eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * @return the row ID of the newly inserted row 15306eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * OR the primary key of the existing row if the input param 'conflictAlgorithm' = 15318d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * {@link #CONFLICT_IGNORE} 15326eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori * OR -1 if any error 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long insertWithOnConflict(String table, String nullColumnHack, 15356eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori ContentValues initialValues, int conflictAlgorithm) { 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isOpen()) { 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("database not open"); 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Measurements show most sql lengths <= 152 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sql = new StringBuilder(152); 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("INSERT"); 15438d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori sql.append(CONFLICT_VALUES[conflictAlgorithm]); 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" INTO "); 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(table); 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Measurements show most values lengths < 40 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder values = new StringBuilder(40); 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Set<Map.Entry<String, Object>> entrySet = null; 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initialValues != null && initialValues.size() > 0) { 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entrySet = initialValues.valueSet(); 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append('('); 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needSeparator = false; 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (entriesIter.hasNext()) { 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needSeparator) { 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(", "); 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append(", "); 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needSeparator = true; 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(entry.getKey()); 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append('?'); 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(')'); 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("(" + nullColumnHack + ") "); 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project values.append("NULL"); 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" VALUES("); 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(values); 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(");"); 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 15789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql.toString()); 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the values 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entrySet != null) { 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = entrySet.size(); 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, entry.getValue()); 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Run the program and then cleanup 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long insertedRowId = lastInsertRow(); 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (insertedRowId == -1) { 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error inserting " + initialValues + " using " + sql); 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD && Log.isLoggable(TAG, Log.VERBOSE)) { 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Inserting row " + insertedRowId + " from " 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + initialValues + " using " + sql); 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return insertedRowId; 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for deleting rows in the database. 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to delete from 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when deleting. 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will delete all rows. 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected if a whereClause is passed in, 0 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * otherwise. To remove all rows and get a count pass "1" as the 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * whereClause. 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int delete(String table, String whereClause, String[] whereArgs) { 1627c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!isOpen()) { 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalStateException("database not open"); 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement("DELETE FROM " + table 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + (!TextUtils.isEmpty(whereClause) 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ? " WHERE " + whereClause : "")); 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whereArgs != null) { 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numArgs = whereArgs.length; 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numArgs; i++) { 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, whereArgs[i]); 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return lastChangeCount(); 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for updating rows in the database. 16579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to update in 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values a map from column names to new column values. null is a 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * valid value that will be translated to NULL. 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when updating. 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will update all rows. 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int update(String table, ContentValues values, String whereClause, String[] whereArgs) { 16668d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori return updateWithOnConflict(table, values, whereClause, whereArgs, CONFLICT_NONE); 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1668600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Convenience method for updating rows in the database. 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param table the table to update in 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param values a map from column names to new column values. null is a 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * valid value that will be translated to NULL. 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param whereClause the optional WHERE clause to apply when updating. 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Passing null will update all rows. 16778d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori * @param conflictAlgorithm for update conflict resolver 16789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of rows affected 16799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1680600bdd82f58c7338e68ce2c8f04b17db4cf4f910Dmitri Plotnikov public int updateWithOnConflict(String table, ContentValues values, 16816eb7c45a8fdb774c4094b5012c8496f2a009c032Vasu Nori String whereClause, String[] whereArgs, int conflictAlgorithm) { 16829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (values == null || values.size() == 0) { 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Empty values"); 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder sql = new StringBuilder(120); 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("UPDATE "); 16888d45e4e4c6244cc3a508da3b56fec8cfd4cadd1dVasu Nori sql.append(CONFLICT_VALUES[conflictAlgorithm]); 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(table); 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" SET "); 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Set<Map.Entry<String, Object>> entrySet = values.valueSet(); 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Iterator<Map.Entry<String, Object>> entriesIter = entrySet.iterator(); 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (entriesIter.hasNext()) { 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(entry.getKey()); 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append("=?"); 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (entriesIter.hasNext()) { 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(", "); 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!TextUtils.isEmpty(whereClause)) { 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(" WHERE "); 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sql.append(whereClause); 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 1710c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori if (!isOpen()) { 1711c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori throw new IllegalStateException("database not open"); 1712c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori } 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql.toString()); 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Bind the values 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = entrySet.size(); 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project entriesIter = entrySet.iterator(); 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bindArg = 1; 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Map.Entry<String, Object> entry = entriesIter.next(); 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, bindArg, entry.getValue()); 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindArg++; 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (whereArgs != null) { 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size = whereArgs.length; 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < size; i++) { 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.bindString(bindArg, whereArgs[i]); 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project bindArg++; 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Run the program and then cleanup 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numChangedRows = lastChangeCount(); 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (Config.LOGD && Log.isLoggable(TAG, Log.VERBOSE)) { 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Updated " + numChangedRows + " using " + values + " and " + sql); 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return numChangedRows; 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLException e) { 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error updating " + values + " using " + sql); 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Execute a single SQL statement that is not a query. For example, CREATE 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TABLE, DELETE, INSERT, etc. Multiple statements separated by ;s are not 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * supported. it takes a write lock 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException If the SQL string is invalid for some reason 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void execSQL(String sql) throws SQLException { 1764c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori long timeStart = SystemClock.uptimeMillis(); 1765c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori lock(); 1766f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!isOpen()) { 1767f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori throw new IllegalStateException("database not open"); 1768f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 1769722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(mLastSqlStatement, timeStart, GET_LOCK_LOG_PREFIX); 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_execSQL(sql); 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1778b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick 1779b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Log commit statements along with the most recently executed 1780b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // SQL statement for disambiguation. Note that instance 1781b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // equality to COMMIT_SQL is safe here. 1782b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick if (sql == COMMIT_SQL) { 1783722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(mLastSqlStatement, timeStart, COMMIT_SQL); 1784b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick } else { 1785722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(sql, timeStart, null); 1786b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick } 17879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Execute a single SQL statement that is not a query. For example, CREATE 17919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * TABLE, DELETE, INSERT, etc. Multiple statements separated by ;s are not 17929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * supported. it takes a write lock, 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bindArgs only byte[], String, Long and Double are supported in bindArgs. 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException If the SQL string is invalid for some reason 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void execSQL(String sql, Object[] bindArgs) throws SQLException { 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bindArgs == null) { 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("Empty bindArgs"); 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1802d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick long timeStart = SystemClock.uptimeMillis(); 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project lock(); 1804c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori if (!isOpen()) { 1805c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori throw new IllegalStateException("database not open"); 1806c8e1f23891cff31a9da2bab412631ff770a92f56Vasu Nori } 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SQLiteStatement statement = null; 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement = compileStatement(sql); 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (bindArgs != null) { 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int numArgs = bindArgs.length; 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0; i < numArgs; i++) { 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project DatabaseUtils.bindObjectToProgram(statement, i + 1, bindArgs[i]); 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.execute(); 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (SQLiteDatabaseCorruptException e) { 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onCorruption(); 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw e; 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (statement != null) { 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project statement.close(); 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project unlock(); 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 182612311959c6ec6898e3b40d4e8958b29ec0b72da9Dan Egnor logTimeStat(sql, timeStart); 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isOpen()) { 1832d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori Log.e(TAG, "close() was never explicitly called on database '" + 1833d606b4bf2c1a2308b40785860853cfb95a77bf58Vasu Nori mPath + "' ", mStackTrace); 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project closeClosable(); 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onAllReferencesReleased(); 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Private constructor. See {@link #create} and {@link #openDatabase}. 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The full path to the database 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param factory The factory to use when creating cursors, may be NULL. 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param flags 0 or {@link #NO_LOCALIZED_COLLATORS}. If the database file already 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * exists, mFlags will be updated appropriately. 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private SQLiteDatabase(String path, CursorFactory factory, int flags) { 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (path == null) { 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("path should not be null"); 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFlags = flags; 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 185390142c959e6de38eae1563cd8b3d2d448393e15fDmitri Plotnikov mSlowQueryThreshold = SystemProperties.getInt(LOG_SLOW_QUERIES_PROPERTY, -1); 185408b448ea39e9fabfc5212ae6f7226eba4385d189Vasu Nori mStackTrace = new DatabaseObjectNotClosedException().fillInStackTrace(); 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFactory = factory; 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrograms = new WeakHashMap<SQLiteClosable,Object>(); 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return whether the DB is opened as read only. 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if DB is opened as read only 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isReadOnly() { 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return (mFlags & OPEN_READ_MASK) == OPEN_READONLY; 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return true if the DB is currently open (has not been closed) 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isOpen() { 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mNativeHandle != 0; 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean needUpgrade(int newVersion) { 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return newVersion > getVersion(); 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Getter for the path to the database file. 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the path to our database file. 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final String getPath() { 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mPath; 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1887d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick /* package */ void logTimeStat(String sql, long beginMillis) { 1888722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick logTimeStat(sql, beginMillis, null); 1889722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1890722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 1891722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick /* package */ void logTimeStat(String sql, long beginMillis, String prefix) { 1892b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // Keep track of the last statement executed here, as this is 1893b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // the common funnel through which all methods of hitting 1894b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick // libsqlite eventually flow. 1895b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick mLastSqlStatement = sql; 1896b28c7972bd3e5e34138e2fd7a2e1433d65205bdfBrad Fitzpatrick 1897e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Sample fast queries in proportion to the time taken. 1898e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Quantize the % first, so the logged sampling probability 1899e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // exactly equals the actual sampling rate for this query. 1900e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1901e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori int samplePercent; 1902d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick long durationMillis = SystemClock.uptimeMillis() - beginMillis; 1903722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (durationMillis == 0 && prefix == GET_LOCK_LOG_PREFIX) { 1904722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // The common case is locks being uncontended. Don't log those, 1905722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // even at 1%, which is our default below. 1906722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick return; 1907722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1908722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (sQueryLogTimeInMillis == 0) { 1909722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick sQueryLogTimeInMillis = SystemProperties.getInt("db.db_operation.threshold_ms", 500); 1910722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1911722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (durationMillis >= sQueryLogTimeInMillis) { 1912e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori samplePercent = 100; 1913722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } else {; 1914722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick samplePercent = (int) (100 * durationMillis / sQueryLogTimeInMillis) + 1; 1915e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (mRandom.nextInt(100) >= samplePercent) return; 19165a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 1917e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1918722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // Note: the prefix will be "COMMIT;" or "GETLOCK:" when non-null. We wait to do 1919722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick // it here so we avoid allocating in the common case. 1920722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick if (prefix != null) { 1921722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick sql = prefix + sql; 1922722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick } 1923722802e76b8805da523a612ad3482450fd327db0Brad Fitzpatrick 1924e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (sql.length() > QUERY_LOG_SQL_LENGTH) sql = sql.substring(0, QUERY_LOG_SQL_LENGTH); 1925e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1926e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // ActivityThread.currentPackageName() only returns non-null if the 1927e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // current thread is an application main thread. This parameter tells 1928e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // us whether an event loop is blocked, and if so, which app it is. 1929e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // 1930e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Sadly, there's no fast way to determine app name if this is *not* a 1931e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // main thread, or when we are invoked via Binder (e.g. ContentProvider). 1932e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori // Hopefully the full path to the database will be informative enough. 1933e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1934e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori String blockingPackage = ActivityThread.currentPackageName(); 1935e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (blockingPackage == null) blockingPackage = ""; 1936e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 1937d72f718c9cc4bd5e4701f4c5cdab51b4d8cf6435Brad Fitzpatrick EventLog.writeEvent( 1938d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick EVENT_DB_OPERATION, 1939d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick getPathForLogs(), 1940d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick sql, 1941d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick durationMillis, 1942d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick blockingPackage, 1943d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick samplePercent); 1944d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1945d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick 1946d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick /** 1947d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * Removes email addresses from database filenames before they're 1948d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * logged to the EventLog where otherwise apps could potentially 1949d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick * read them. 1950d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick */ 1951d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick private String getPathForLogs() { 1952d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPathForLogs != null) { 1953d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return mPathForLogs; 1954d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1955d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPath == null) { 1956d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return null; 1957d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1958d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick if (mPath.indexOf('@') == -1) { 1959d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick mPathForLogs = mPath; 1960d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } else { 1961d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick mPathForLogs = EMAIL_IN_DB_PATTERN.matcher(mPath).replaceAll("XX@YY"); 1962d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick } 1963d833023307494d5bfe3fdc1ce79761fb8c9f49a6Brad Fitzpatrick return mPathForLogs; 19645a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19655a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 19665a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 1967e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * Sets the locale for this database. Does nothing if this database has 1968e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * the NO_LOCALIZED_COLLATORS flag set or was opened read only. 1969e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * @throws SQLException if the locale could not be set. The most common reason 1970e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * for this is that there is no collator available for the locale you requested. 1971e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * In this case the database remains unchanged. 19725a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 1973e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public void setLocale(Locale locale) { 1974e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori lock(); 1975e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori try { 1976e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori native_setLocale(locale.toString(), mFlags); 1977e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } finally { 1978e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori unlock(); 19795a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19805a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 19815a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 1982e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* 1983e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * ============================================================================ 1984e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 1985e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * The following methods deal with compiled-sql cache 1986e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * ============================================================================ 1987e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori */ 19885a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 19895a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * adds the given sql and its compiled-statement-id-returned-by-sqlite to the 19905a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * cache of compiledQueries attached to 'this'. 19915a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * 19925a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * if there is already a {@link SQLiteCompiledSql} in compiledQueries for the given sql, 19935a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * the new {@link SQLiteCompiledSql} object is NOT inserted into the cache (i.e.,the current 19945a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * mapping is NOT replaced with the new mapping). 19955a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 1996e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /* package */ void addToCompiledQueries(String sql, SQLiteCompiledSql compiledStatement) { 19975a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori SQLiteCompiledSql compiledSql = null; 19985a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori synchronized(mCompiledQueries) { 19995a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori // don't insert the new mapping if a mapping already exists 20005a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori compiledSql = mCompiledQueries.get(sql); 20015a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (compiledSql != null) { 2002e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori return; 20035a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 200420f549fd2f40db524242c9038d7d63356adf95fcVasu Nori 20055a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (mCompiledQueries.size() == mMaxSqlCacheSize) { 200649d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori /* 200749d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori * cache size of {@link #mMaxSqlCacheSize} is not enough for this app. 200820f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * log a warning. 200920f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * chances are it is NOT using ? for bindargs - or cachesize is too small. 20105a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 201149d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori if (++mCacheFullWarnings == MAX_WARNINGS_ON_CACHESIZE_CONDITION) { 201249d02acec84cc0382286fa233135bb5c74d5bdbfVasu Nori Log.w(TAG, "Reached MAX size for compiled-sql statement cache for database " + 201320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori getPath() + ". Consider increasing cachesize."); 20145a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 201520f549fd2f40db524242c9038d7d63356adf95fcVasu Nori } 201620f549fd2f40db524242c9038d7d63356adf95fcVasu Nori /* add the given SQLiteCompiledSql compiledStatement to cache. 201720f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * no need to worry about the cache size - because {@link #mCompiledQueries} 201820f549fd2f40db524242c9038d7d63356adf95fcVasu Nori * self-limits its size to {@link #mMaxSqlCacheSize}. 201920f549fd2f40db524242c9038d7d63356adf95fcVasu Nori */ 202020f549fd2f40db524242c9038d7d63356adf95fcVasu Nori mCompiledQueries.put(sql, compiledStatement); 202120f549fd2f40db524242c9038d7d63356adf95fcVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 202220f549fd2f40db524242c9038d7d63356adf95fcVasu Nori Log.v(TAG, "|adding_sql_to_cache|" + getPath() + "|" + 202320f549fd2f40db524242c9038d7d63356adf95fcVasu Nori mCompiledQueries.size() + "|" + sql); 20245a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20255a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 2026e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2027e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori 2028e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori private void deallocCachedSqlStatements() { 2029e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori synchronized (mCompiledQueries) { 2030e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori for (SQLiteCompiledSql compiledSql : mCompiledQueries.values()) { 2031e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori compiledSql.releaseSqlStatement(); 2032e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 2033e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mCompiledQueries.clear(); 2034e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } 20355a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20365a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 20375a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /** 20385a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * from the compiledQueries cache, returns the compiled-statement-id for the given sql. 20395a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori * returns null, if not found in the cache. 20405a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori */ 20415a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori /* package */ SQLiteCompiledSql getCompiledStatementForSql(String sql) { 20425a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori SQLiteCompiledSql compiledStatement = null; 20435a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori boolean cacheHit; 20445a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori synchronized(mCompiledQueries) { 20455a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori cacheHit = (compiledStatement = mCompiledQueries.get(sql)) != null; 20465a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20475a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (cacheHit) { 20485a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mNumCacheHits++; 20495a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } else { 20505a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori mNumCacheMisses++; 20515a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20525a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 20535a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori if (SQLiteDebug.DEBUG_SQL_CACHE) { 20545a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori Log.v(TAG, "|cache_stats|" + 20555a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori getPath() + "|" + mCompiledQueries.size() + 20565a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori "|" + mNumCacheHits + "|" + mNumCacheMisses + 205720f549fd2f40db524242c9038d7d63356adf95fcVasu Nori "|" + cacheHit + "|" + sql); 20585a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20595a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori return compiledStatement; 20605a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori } 20615a03f36ef845f73eb4473193dbb0f93dd12a51afVasu Nori 2062e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori /** 206390a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * set the max size of the prepared-statement cache for this database. 2064e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * (size of the cache = number of compiled-sql-statements stored in the cache). 2065e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 206690a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * max cache size can ONLY be increased from its current size (default = 10). 2067e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * if this method is called with smaller size than the current value of mMaxSqlCacheSize, 2068e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * then IllegalStateException is thrown 2069e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * 2070e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori * synchronized because we don't want t threads to change cache size at the same time. 207190a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * @param cacheSize the size of the cache. can be (0 to {@link #MAX_SQL_CACHE_SIZE}) 207290a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * @throws IllegalStateException if input cacheSize > {@link #MAX_SQL_CACHE_SIZE} or 207390a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori * > the value set with previous setMaxSqlCacheSize() call. 20749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2075e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori public synchronized void setMaxSqlCacheSize(int cacheSize) { 2076e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori if (cacheSize > MAX_SQL_CACHE_SIZE || cacheSize < 0) { 2077e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori throw new IllegalStateException("expected value between 0 and " + MAX_SQL_CACHE_SIZE); 2078e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori } else if (cacheSize < mMaxSqlCacheSize) { 2079e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori throw new IllegalStateException("cannot set cacheSize to a value less than the value " + 2080e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori "set with previous setMaxSqlCacheSize() call."); 20819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2082e495d1f74af13aec8d5d825e93e4cfe1e4fe7468Vasu Nori mMaxSqlCacheSize = cacheSize; 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2085c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori static class ActiveDatabases { 2086c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private static final ActiveDatabases activeDatabases = new ActiveDatabases(); 2087c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private HashSet<WeakReference<SQLiteDatabase>> mActiveDatabases = 2088c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori new HashSet<WeakReference<SQLiteDatabase>>(); 2089c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private ActiveDatabases() {} // disable instantiation of this class 2090c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori static ActiveDatabases getInstance() {return activeDatabases;} 2091c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2092c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2093f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori /** 2094f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori * this method is used to collect data about ALL open databases in the current process. 2095f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori * bugreport is a user of this data. 2096f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori */ 2097c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /* package */ static ArrayList<DbStats> getDbStats() { 2098c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<DbStats> dbStatsList = new ArrayList<DbStats>(); 2099c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori for (WeakReference<SQLiteDatabase> w : ActiveDatabases.getInstance().mActiveDatabases) { 2100c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori SQLiteDatabase db = w.get(); 2101c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (db == null || !db.isOpen()) { 2102c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori continue; 2103c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2104c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get SQLITE_DBSTATUS_LOOKASIDE_USED for the db 2105c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int lookasideUsed = db.native_getDbLookaside(); 2106c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2107c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get the lastnode of the dbname 2108c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String path = db.getPath(); 2109c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int indx = path.lastIndexOf("/"); 2110c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String lastnode = path.substring((indx != -1) ? ++indx : 0); 2111c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2112c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // get list of attached dbs and for each db, get its size and pagesize 2113062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori ArrayList<Pair<String, String>> attachedDbs = db.getAttachedDbs(); 2114f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (attachedDbs == null) { 2115f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori continue; 2116f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2117c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori for (int i = 0; i < attachedDbs.size(); i++) { 2118c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori Pair<String, String> p = attachedDbs.get(i); 2119c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori long pageCount = getPragmaVal(db, p.first + ".page_count;"); 2120c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2121c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // first entry in the attached db list is always the main database 2122c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // don't worry about prefixing the dbname with "main" 2123c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori String dbName; 2124c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (i == 0) { 2125c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName = lastnode; 2126c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } else { 2127c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // lookaside is only relevant for the main db 2128c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori lookasideUsed = 0; 2129c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName = " (attached) " + p.first; 2130c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori // if the attached db has a path, attach the lastnode from the path to above 2131c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (p.second.trim().length() > 0) { 2132c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori int idx = p.second.lastIndexOf("/"); 2133c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori dbName += " : " + p.second.substring((idx != -1) ? ++idx : 0); 2134c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2135c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2136f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (pageCount > 0) { 2137f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori dbStatsList.add(new DbStats(dbName, pageCount, db.getPageSize(), 213890a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori lookasideUsed, db.mNumCacheHits, db.mNumCacheMisses, 213990a36726b7553a1e7efd2f4ecbe01d7e1b3e7a67Vasu Nori db.mCompiledQueries.size())); 2140f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2141c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2142c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2143c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return dbStatsList; 2144c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2145c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2146c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2147c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * get the specified pragma value from sqlite for the specified database. 2148c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * only handles pragma's that return int/long. 2149c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * NO JAVA locks are held in this method. 2150c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * TODO: use this to do all pragma's in this class 2151c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2152c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private static long getPragmaVal(SQLiteDatabase db, String pragma) { 2153f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori if (!db.isOpen()) { 2154f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return 0; 2155f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2156c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori SQLiteStatement prog = null; 2157c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori try { 2158c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori prog = new SQLiteStatement(db, "PRAGMA " + pragma); 2159c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori long val = prog.simpleQueryForLong(); 2160c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return val; 2161c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } finally { 2162c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori if (prog != null) prog.close(); 2163c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2164c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2165c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2166c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2167062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * returns list of full pathnames of all attached databases including the main database 2168062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @return ArrayList of pairs of (database name, database file path) or null if the database 2169062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * is not open. 2170c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2171062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public ArrayList<Pair<String, String>> getAttachedDbs() { 2172062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (!isOpen()) { 2173f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori return null; 2174f3cf8a4da8ef28e62586cc07edce99879e2c3a56Vasu Nori } 2175c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori ArrayList<Pair<String, String>> attachedDbs = new ArrayList<Pair<String, String>>(); 2176062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Cursor c = null; 2177062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 2178062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori c = rawQuery("pragma database_list;", null); 2179062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori while (c.moveToNext()) { 2180062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // sqlite returns a row for each database in the returned list of databases. 2181062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // in each row, 2182062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // 1st column is the database name such as main, or the database 2183062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // name specified on the "ATTACH" command 2184062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // 2nd column is the database file path. 2185062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori attachedDbs.add(new Pair<String, String>(c.getString(1), c.getString(2))); 2186062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2187062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } finally { 2188062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (c != null) { 2189062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori c.close(); 2190062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2191c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2192c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori return attachedDbs; 2193c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori } 2194c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2196062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * run pragma integrity_check on the given database (and all the attached databases) 2197062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * and return true if the given database (and all its attached databases) pass integrity_check, 2198062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * false otherwise. 2199062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * 2200062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * if the result is false, then this method logs the errors reported by the integrity_check 2201062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * command execution. 2202062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * 2203062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * @return true if the given database (and all its attached databases) pass integrity_check, 2204062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori * false otherwise 2205062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori */ 2206062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori public boolean isDatabaseIntegrityOk() { 2207062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (!isOpen()) { 2208062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori throw new IllegalStateException("database: " + getPath() + " is NOT open"); 2209062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2210062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori ArrayList<Pair<String, String>> attachedDbs = getAttachedDbs(); 2211062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (attachedDbs == null) { 2212062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori throw new IllegalStateException("databaselist for: " + getPath() + " couldn't " + 2213062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori "be retrieved. probably because the database is closed"); 2214062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2215062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori boolean isDatabaseCorrupt = false; 2216062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori for (int i = 0; i < attachedDbs.size(); i++) { 2217062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Pair<String, String> p = attachedDbs.get(i); 2218062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori SQLiteStatement prog = null; 2219062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori try { 2220062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori prog = compileStatement("PRAGMA " + p.first + ".integrity_check(1);"); 2221062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori String rslt = prog.simpleQueryForString(); 2222062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (!rslt.equalsIgnoreCase("ok")) { 2223062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori // integrity_checker failed on main or attached databases 2224062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori isDatabaseCorrupt = true; 2225062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori Log.e(TAG, "PRAGMA integrity_check on " + p.second + " returned: " + rslt); 2226062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2227062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } finally { 2228062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori if (prog != null) prog.close(); 2229062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2230062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2231062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori return isDatabaseCorrupt; 2232062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori } 2233062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori 2234062fc7ce369758d5a26f83f12b50b11cd88e5defVasu Nori /** 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to open the database. 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The full path to the database 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void dbopen(String path, int flags); 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22423ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * Native call to setup tracing of all sql statements 22433ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * 22443ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * @param path the full path to the database 22453ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori */ 22463ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori private native void enableSqlTracing(String path); 22473ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori 22483ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori /** 22493ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * Native call to setup profiling of all sql statements. 22503ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * currently, sqlite's profiling = printing of execution-time 22513ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * (wall-clock time) of each of the sql statements, as they 22523ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * are executed. 22533ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * 22543ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori * @param path the full path to the database 22553ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori */ 22563ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori private native void enableSqlProfiling(String path); 22573ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori 22583ef94e25b4c896ecaa85aa2c12b8863ecdf98df0Vasu Nori /** 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to execute a raw SQL statement. {@link #lock} must be held 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * when calling this method. 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sql The raw SQL string 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native void native_execSQL(String sql) throws SQLException; 22669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native call to set the locale. {@link #lock} must be held when calling 22699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method. 22709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws SQLException 22719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native void native_setLocale(String loc, int flags); 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the row ID of the last row inserted into the database. 22769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the row ID of the last row inserted into the database. 22789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native long lastInsertRow(); 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the number of changes made in the last statement executed. 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of changes made in the last statement executed. 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* package */ native int lastChangeCount(); 2287c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori 2288c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori /** 2289c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * return the SQLITE_DBSTATUS_LOOKASIDE_USED documented here 2290c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * http://www.sqlite.org/c3ref/c_dbstatus_lookaside_used.html 2291c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori * @return int value of SQLITE_DBSTATUS_LOOKASIDE_USED 2292c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori */ 2293c3849200fa60b22ea583ba2a6f902d6a632a5e7eVasu Nori private native int native_getDbLookaside(); 22949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2295