Database

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

Classes
class	Blob
	Utility classThis allows us to distinguish a blob from a normal string and an array of strings. More...
class	DatabaseBase
	Database abstraction object. More...
class	DatabaseIbm_db2
	Primary database interface. More...
class	DatabaseMssql
class	DatabaseMysql
	Database abstraction object for mySQL Inherit all methods and properties of Database::Database() 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	DBError
	Database error base class. More...
class	DBObject
	Utility class. More...
class	DBQueryError
class	DBUnexpectedError
interface	Field
	Base for all database-specific classes representing information about database fields. More...
class	IBM_DB2Blob
	Wrapper around binary large objects. More...
class	IBM_DB2Field
	This represents a column in a DB2 database. More...
class	IBM_DB2Result
	Wrapper to address lack of certain operations in the DB2 driver ( seek, num_rows ) More...
class	LBFactory
	An interface for generating database load balancers. More...
class	LBFactory_Multi
	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	LoadMonitor_MySQL
	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	MssqlResult
	The MSSQL PHP driver doesn't support sqlsrv_num_rows, so we recall all rows into an array and maintain our own cursor index into that array...This is similar to the way the Oracle driver handles this same issue. 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
Files
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	DatabaseIbm_db2.php
	This is the IBM DB2 database abstraction layer.
file	DatabaseMssql.php
	This is the MS SQL Server Native database abstraction layer.
file	DatabaseMysql.php
	This is the MySQL 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 utiliy classes.
file	IDBAccessObject.php
	This file contains database access object related constants.
file	LBFactory.php
	Generator of database load balancing objects.
file	LBFactory_Multi.php
	Advanced generator of database load balancing objects for wiki farms.
file	LBFactory_Single.php
	Simple generator of database connections that always returns the same object.
file	LoadBalancer.php
	Database load balancing.
file	LoadMonitor.php
	Database load monitoring.

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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