Helper class for DAO classes. More...
Static Public Member Functions | |
| static | getDBOptions ( $bitfield) |
| Get an appropriate DB index, options, and fallback DB index for a query. | |
| static | hasFlags ( $bitfield, $flags) |
Additional Inherited Members | |
 Public Attributes inherited from IDBAccessObject | |
| const | READ_LOCKING = self::READ_LATEST | 2 |
| Constants for object loading bitfield flags (higher => higher QoS) | |
| const | READ_NONE = -1 |
Detailed Description
Member Function Documentation
◆ getDBOptions()
|
static |
Get an appropriate DB index, options, and fallback DB index for a query.
The fallback DB index and options are to be used if the entity is not found with the initial DB index, typically querying the master DB to avoid lag
- Parameters
-
int $bitfield Bitfield of IDBAccessObject::READ_* constants
- Returns
- array List of DB indexes and options in this order:
- DB_MASTER or DB_REPLICA constant for the initial query
- SELECT options array for the initial query
- DB_MASTER constant for the fallback query; null if no fallback should happen
- SELECT options array for the fallback query; empty if no fallback should happen
Definition at line 52 of file DBAccessObjectUtils.php.
References DB_MASTER, and DB_REPLICA.
Referenced by MediaWiki\Revision\RevisionStore\getDBConnectionRefForQueryFlags(), MediaWiki\Revision\RevisionStore\getRecentChange(), MediaWiki\Revision\RevisionStore\getRelativeRevision(), MediaWiki\Revision\RevisionStore\getTitle(), and MediaWiki\Revision\RevisionStore\loadSlotRecords().
◆ hasFlags()
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static |
- Parameters
-
int $bitfield int $flags IDBAccessObject::READ_* constant
- Returns
- bool Bitfield has flag $flag set
Definition at line 35 of file DBAccessObjectUtils.php.
Referenced by MediaWiki\Revision\RevisionStore\getTitle().
The documentation for this class was generated from the following file:
- includes/dao/DBAccessObjectUtils.php
