Wikimedia\Rdbms\ConnectionManager Class Reference

Database connection manager. More...

Inheritance diagram for Wikimedia\Rdbms\ConnectionManager:

Public Member Functions
	__construct (ILoadBalancer $loadBalancer, $domain=false, array $groups=[])
	getLazyReadConnectionRef (array $groups=null)
	Returns a lazy-connecting database connection ref for reading. More...
	getLazyWriteConnectionRef ()
	Returns a lazy-connecting database connection ref for updating. More...
	getReadConnection (?array $groups=null, int $flags=0)
	Returns a database connection for reading. More...
	getReadConnectionRef (array $groups=null)
	Returns a database connection ref for reading. More...
	getWriteConnection (int $flags=0)
	Returns a connection to the primary DB, for updating. More...
	getWriteConnectionRef ()
	Returns a connection ref to the primary DB, for updating. More...
	releaseConnection (IDatabase $db)

Detailed Description

Database connection manager.

This manages access to primary and replica databases.

Since

1.29

Author

Addshore

Definition at line 33 of file ConnectionManager.php.

Constructor & Destructor Documentation

__construct()

Wikimedia\Rdbms\ConnectionManager::__construct	(	ILoadBalancer	$loadBalancer,
			$domain = false,
		array	$groups = []
	)

Parameters

ILoadBalancer	$loadBalancer
string | false	$domain	Optional logical DB name, defaults to current wiki. This follows the convention for database names used by $loadBalancer.
string[]	$groups	see LoadBalancer::getConnection

Exceptions

InvalidArgumentException

Definition at line 60 of file ConnectionManager.php.

Member Function Documentation

getLazyReadConnectionRef()

Wikimedia\Rdbms\ConnectionManager::getLazyReadConnectionRef

(

array

$groups = null

)

Returns a lazy-connecting database connection ref for reading.

Since

1.37

Parameters

string[] | null

$groups

Returns

DBConnRef

Deprecated:

since 1.39; Use getReadConnection()

Definition at line 170 of file ConnectionManager.php.

References DB_REPLICA.

getLazyWriteConnectionRef()

Wikimedia\Rdbms\ConnectionManager::getLazyWriteConnectionRef

(

)

Returns a lazy-connecting database connection ref for updating.

Since

1.38

Returns

DBConnRef

Deprecated:

since 1.39; Use getWriteConnection()

Definition at line 158 of file ConnectionManager.php.

getReadConnection()

Wikimedia\Rdbms\ConnectionManager::getReadConnection	(	?array	$groups = null,
		int	$flags = 0
	)

Returns a database connection for reading.

Since

1.29

1.37 Added optional $flags parameter

Parameters

string[] | null	$groups
int	$flags

Returns

IDatabase

Reimplemented in Wikimedia\Rdbms\SessionConsistentConnectionManager.

Definition at line 112 of file ConnectionManager.php.

References DB_REPLICA.

getReadConnectionRef()

Wikimedia\Rdbms\ConnectionManager::getReadConnectionRef

(

array

$groups = null

)

Returns a database connection ref for reading.

Since

1.29

Parameters

string[] | null

$groups

Returns

DBConnRef

Deprecated:

since 1.38; Use getReadConnection()

Reimplemented in Wikimedia\Rdbms\SessionConsistentConnectionManager.

Definition at line 146 of file ConnectionManager.php.

References DB_REPLICA.

getWriteConnection()

Wikimedia\Rdbms\ConnectionManager::getWriteConnection

(

int

$flags = 0

)

Returns a connection to the primary DB, for updating.

Since

1.29

1.37 Added optional $flags parameter

Parameters

int

$flags

Returns

IDatabase

Reimplemented in Wikimedia\Rdbms\SessionConsistentConnectionManager.

Definition at line 99 of file ConnectionManager.php.

References DB_PRIMARY.

getWriteConnectionRef()

Wikimedia\Rdbms\ConnectionManager::getWriteConnectionRef

(

)

Returns a connection ref to the primary DB, for updating.

Since

1.29

Returns

DBConnRef

Deprecated:

since 1.39; Use getWriteConnection()

Reimplemented in Wikimedia\Rdbms\SessionConsistentConnectionManager.

Definition at line 134 of file ConnectionManager.php.

References DB_PRIMARY.

releaseConnection()

Wikimedia\Rdbms\ConnectionManager::releaseConnection

(

IDatabase

$db

)

Since

1.29

Parameters

IDatabase

$db

Deprecated:

since 1.38

Definition at line 122 of file ConnectionManager.php.

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The documentation for this class was generated from the following file:

• includes/libs/rdbms/connectionmanager/ConnectionManager.php