Wikibase\Client\Usage\Sql\EntityUsageTable Class Reference

Helper class for updating the wbc_entity_usage table. More...

Public Member Functions
	__construct (EntityIdParser $idParser, IDatabase $writeConnection, $batchSize=100, $tableName=null, $addUsagesBatchSize=500)
	addUsages ( $pageId, array $usages)
	queryUsages ( $pageId)
	pruneUsages ( $pageId)
	Removes all usage tracking for a given page.
	removeUsages ( $pageId, array $usages)
	getPagesUsing (array $entityIds, array $aspects=[])
	getUnusedEntities (array $entityIds)
	setAddUsagesBatchSize ( $addUsagesBatchSize)
	Set the batch size for adding entity usage records.

Public Attributes
const	DEFAULT_TABLE_NAME = 'wbc_entity_usage'

Private Member Functions
	getAffectedRowIds ( $pageId, array $usages)
	makeUsageRows ( $pageId, array $usages)
	getEntityIdStrings (array $entityIds)
	convertRowsToUsages (Traversable $rows)
	foldRowsIntoPageEntityUsages (Traversable $rows)
	getUsedEntityIdStrings (array $idStrings)
	Returns those entity ids which are used from a given set of entity ids.
	getUsedEntityIdStringsQueries (array $idStrings)
	getPrimaryKeys (array $where, $method)
	Returns the primary keys for the given where clause.
	getUsedEntityIdStringsMySql (array $subQueries)

Private Attributes
	$idParser
	$writeConnection
	$readConnection
	$loadBalancerFactory
	$batchSize
	$tableName
	$addUsagesBatchSize

Detailed Description

Helper class for updating the wbc_entity_usage table.

This is used internally by SqlUsageTracker.

Copyright

GPL-2.0-or-later

Author

Daniel Kinzler

Marius Hoch

Constructor & Destructor Documentation

__construct()

Wikibase\Client\Usage\Sql\EntityUsageTable::__construct	(	EntityIdParser	$idParser,
		IDatabase	$writeConnection,
			$batchSize = 100,
			$tableName = null,
			$addUsagesBatchSize = 500
	)

Parameters

EntityIdParser	$idParser
IDatabase	$writeConnection
int	$batchSize	Batch size for database queries on the entity usage table, including INSERTs, SELECTs, and DELETEs. Defaults to 100.
string | null	$tableName	defaults to wbc_entity_usage
int	$addUsagesBatchSize	Batch size for adding entity usage records. Can also be set after construction.

Exceptions

InvalidArgumentException

Member Function Documentation

addUsages()

Wikibase\Client\Usage\Sql\EntityUsageTable::addUsages	(		$pageId,
		array	$usages
	)

Parameters

int	$pageId
EntityUsage[]	$usages

Exceptions

InvalidArgumentException

Returns

int The number of entries added

convertRowsToUsages()

Wikibase\Client\Usage\Sql\EntityUsageTable::convertRowsToUsages ( Traversable  $rows )

private

Parameters

Traversable

$rows

Returns

EntityUsage[]

foldRowsIntoPageEntityUsages()

Wikibase\Client\Usage\Sql\EntityUsageTable::foldRowsIntoPageEntityUsages ( Traversable  $rows )

private

Parameters

Traversable

$rows

Returns

PageEntityUsages[]

getAffectedRowIds()

Wikibase\Client\Usage\Sql\EntityUsageTable::getAffectedRowIds (   $pageId, array  $usages  )

private

Parameters

int	$pageId
EntityUsage[]	$usages

Returns

int[] affected row ids

Exceptions

DBUnexpectedError
MWException

getEntityIdStrings()

Wikibase\Client\Usage\Sql\EntityUsageTable::getEntityIdStrings ( array  $entityIds )

private

Parameters

EntityId[]

$entityIds

Returns

string[]

getPagesUsing()

Wikibase\Client\Usage\Sql\EntityUsageTable::getPagesUsing	(	array	$entityIds,
		array	$aspects = []
	)

See also

UsageLookup::getPagesUsing

Parameters

EntityId[]	$entityIds
string[]	$aspects

Returns

Traversable A traversable over PageEntityUsages grouped by page.

getPrimaryKeys()

Wikibase\Client\Usage\Sql\EntityUsageTable::getPrimaryKeys ( array  $where,   $method  )

private

Returns the primary keys for the given where clause.

Parameters

array	$where
string	$method	Calling method

Returns

int[]

getUnusedEntities()

Wikibase\Client\Usage\Sql\EntityUsageTable::getUnusedEntities

(

array

$entityIds

)

See also

UsageLookup::getUnusedEntities

Parameters

EntityId[]

$entityIds

Returns

EntityId[]

getUsedEntityIdStrings()

Wikibase\Client\Usage\Sql\EntityUsageTable::getUsedEntityIdStrings ( array  $idStrings )

private

Returns those entity ids which are used from a given set of entity ids.

Parameters

string[]

$idStrings

Returns

string[]

getUsedEntityIdStringsMySql()

Wikibase\Client\Usage\Sql\EntityUsageTable::getUsedEntityIdStringsMySql ( array  $subQueries )

private

Parameters

string[]

$subQueries

Returns

string[]

getUsedEntityIdStringsQueries()

Wikibase\Client\Usage\Sql\EntityUsageTable::getUsedEntityIdStringsQueries ( array  $idStrings )

private

Parameters

string[]

$idStrings

Returns

string[]

makeUsageRows()

Wikibase\Client\Usage\Sql\EntityUsageTable::makeUsageRows (   $pageId, array  $usages  )

private

Parameters

int	$pageId
EntityUsage[]	$usages

Exceptions

InvalidArgumentException

Returns

array[]

pruneUsages()

Wikibase\Client\Usage\Sql\EntityUsageTable::pruneUsages

(

$pageId

)

Removes all usage tracking for a given page.

Parameters

int

$pageId

Exceptions

InvalidArgumentException

Returns

EntityUsage[]

queryUsages()

Wikibase\Client\Usage\Sql\EntityUsageTable::queryUsages

(

$pageId

)

Parameters

int

$pageId

Exceptions

InvalidArgumentException

Returns

EntityUsage[] EntityUsage identity string => EntityUsage

removeUsages()

Wikibase\Client\Usage\Sql\EntityUsageTable::removeUsages	(		$pageId,
		array	$usages
	)

Parameters

int	$pageId
EntityUsage[]	$usages

Exceptions

InvalidArgumentException

setAddUsagesBatchSize()

Wikibase\Client\Usage\Sql\EntityUsageTable::setAddUsagesBatchSize

(

$addUsagesBatchSize

)

Set the batch size for adding entity usage records.

This can also be set in the constructor.

Parameters

int

$addUsagesBatchSize

Member Data Documentation

$addUsagesBatchSize

Wikibase\Client\Usage\Sql\EntityUsageTable::$addUsagesBatchSize

private

$batchSize

Wikibase\Client\Usage\Sql\EntityUsageTable::$batchSize

private

$idParser

Wikibase\Client\Usage\Sql\EntityUsageTable::$idParser

private

$loadBalancerFactory

Wikibase\Client\Usage\Sql\EntityUsageTable::$loadBalancerFactory

private

$readConnection

Wikibase\Client\Usage\Sql\EntityUsageTable::$readConnection

private

$tableName

Wikibase\Client\Usage\Sql\EntityUsageTable::$tableName

private

$writeConnection

Wikibase\Client\Usage\Sql\EntityUsageTable::$writeConnection

private

DEFAULT_TABLE_NAME

const Wikibase\Client\Usage\Sql\EntityUsageTable::DEFAULT_TABLE_NAME = 'wbc_entity_usage'

---

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

• client/includes/Usage/Sql/EntityUsageTable.php