Database

This file deals with database interface functions and query specifics/optimisations. More...

Files
file	ChronologyProtector.php
	Generator of database load balancing objects.
file	CloneDatabase.php
	Helper class for making a copy of the database, mostly for unit testing.
file	Database.php
	Base interface for all DBMS-specific code.
file	Database.php
	Base interface for all DBMS-specific code.
file	DatabaseError.php
	This file contains database error classes.
file	DatabaseMssql.php
	This is the MS SQL Server Native database abstraction layer.
file	DatabaseMysql.php
	This is the MySQL database abstraction layer.
file	DatabaseMysqlBase.php
	This is the MySQL database abstraction layer.
file	DatabaseMysqli.php
	This is the MySQLi database abstraction layer.
file	DatabaseOracle.php
	This is the Oracle database abstraction layer.
file	DatabasePostgres.php
	This is the Postgres database abstraction layer.
file	DatabaseSqlite.php
	This is the SQLite database abstraction layer.
file	DatabaseUtility.php
	This file contains database-related utility classes.
file	DBAccessBase.php
	Base class for objects that allow access to other wiki's databases using the foreign database access mechanism implemented by LBFactoryMulti.
file	IDBAccessObject.php
	This file contains database access object related constants.
file	LBFactory.php
	Generator of database load balancing objects.
file	LBFactoryMulti.php
	Advanced generator of database load balancing objects for wiki farms.
file	LBFactorySingle.php
	Simple generator of database connections that always returns the same object.
file	LoadBalancer.php
	Database load balancing.
file	LoadMonitor.php
	Database load monitoring.

Classes
class	Blob
	Utility class. More...
class	DatabaseBase
	Database abstraction object. More...
class	DatabaseMssql
class	DatabaseMysql
	Database abstraction object for PHP extension mysql. More...
class	DatabaseMysqlBase
	Database abstraction object for MySQL. More...
class	DatabaseMysqli
	Database abstraction object for PHP extension mysqli. More...
class	DatabaseOracle
class	DatabasePostgres
class	DatabaseSqlite
class	DatabaseSqliteStandalone
	This class allows simple acccess to a SQLite database independently from main database settings. More...
class	DBConnectionError
class	DBConnRef
	Helper class to handle automatically marking connectons as reusable (via RAII pattern) as well handling deferring the actual network connection until the handle is used. More...
class	DBError
	Database error base class. More...
class	DBExpectedError
	Base class for the more common types of database errors. More...
class	DBObject
	Utility class. More...
class	DBQueryError
class	DBUnexpectedError
interface	Field
	Base for all database-specific classes representing information about database fields. More...
interface	IDatabase
	Interface for classes that implement or wrap DatabaseBase. More...
class	LBFactory
	An interface for generating database load balancers. More...
class	LBFactoryMulti
	A multi-wiki, multi-master factory for Wikimedia and similar installations. More...
class	LoadBalancer
	Database load balancing object. More...
interface	LoadMonitor
	An interface for database load monitoring. More...
class	LoadMonitorMySQL
	Basic MySQL load monitor with no external dependencies Uses memcached to cache the replication lag for a short time. More...
class	MssqlField
	Utility class. More...
class	MySQLField
	Utility class. More...
class	ORAField
	Utility class. More...
class	ORAResult
	The oci8 extension is fairly weak and doesn't support oci_num_rows, among other things. More...
class	PostgresTransactionState
	Used to debug transaction processing Only used if $wgDebugDBTransactions is true. More...
class	ResultWrapper
	Result wrapper for grabbing data queried by someone else. More...
class	SavepointPostgres
	Manage savepoints within a transaction. More...
class	SQLiteField

Detailed Description

This file deals with database interface functions and query specifics/optimisations.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. http://www.gnu.org/copyleft/gpl.html