BackendInterface Interface Reference

Inheritance diagram for BackendInterface:

Public Member Functions
	addRow ($tableName, array $fieldValues, $isRelation=false)
	updateRow ($tableName, array $fieldValues, $isRelation=false)
	updateRelationTableRow ($tableName, array $fieldValues)
	removeRow ($tableName, array $where, $isRelation=false)
	getMaxValueFromTable ($tableName, array $where, $columnName)
	getObjectCountByQuery (\TYPO3\CMS\Extbase\Persistence\QueryInterface $query)
	getObjectDataByQuery (\TYPO3\CMS\Extbase\Persistence\QueryInterface $query)
	getUidOfAlreadyPersistedValueObject (\TYPO3\CMS\Extbase\DomainObject\AbstractValueObject $object)

Detailed Description

Storage backend interface

Definition at line 20 of file extbase/Classes/Persistence/Generic/Storage/BackendInterface.php.

Member Function Documentation

addRow	(		$tableName,
		array	$fieldValues,
			$isRelation = false
	)

Adds a row to the storage

Parameters

string	$tableName	The database table name
array	$fieldValues	The fieldValues to insert
bool	$isRelation	TRUE if we are currently inserting into a relation table, FALSE by default

Returns

int the UID of the inserted row

Implemented in Typo3DbBackend.

getMaxValueFromTable	(		$tableName,
		array	$where,
			$columnName
	)

Fetches maximal value for given table column

Parameters

string	$tableName	The database table name
array	$where	An array of where array('fieldname' => value). This array will be transformed to a WHERE clause
string	$columnName	column name to get the max value from

Returns

mixed the max value

Implemented in Typo3DbBackend.

getObjectCountByQuery

(

\TYPO3\CMS\Extbase\Persistence\QueryInterface

$query

)

Returns the number of items matching the query.

Parameters

\TYPO3\CMS\Extbase\Persistence\QueryInterface

$query

Returns

int

getObjectDataByQuery

(

\TYPO3\CMS\Extbase\Persistence\QueryInterface

$query

)

Returns the object data matching the $query.

Parameters

\TYPO3\CMS\Extbase\Persistence\QueryInterface

$query

Returns

array

getUidOfAlreadyPersistedValueObject

(

\TYPO3\CMS\Extbase\DomainObject\AbstractValueObject

$object

)

Checks if a Value Object equal to the given Object exists in the data base

Parameters

\TYPO3\CMS\Extbase\DomainObject\AbstractValueObject

$object

The Value Object

Returns

mixed The matching uid if an object was found, else FALSE

Todo:

this is the last monster in this persistence series. refactor!

Implemented in Typo3DbBackend.

removeRow	(		$tableName,
		array	$where,
			$isRelation = false
	)

Deletes a row in the storage

Parameters

string	$tableName	The database table name
array	$where	An array of where array('fieldname' => value). This array will be transformed to a WHERE clause
bool	$isRelation	TRUE if we are currently inserting into a relation table, FALSE by default

Returns

mixed|void

Implemented in Typo3DbBackend.

updateRelationTableRow	(		$tableName,
		array	$fieldValues
	)

Updates a relation row in the storage

Parameters

string	$tableName	The database relation table name
array	$fieldValues	The fieldValues to be updated

Returns

bool

Implemented in Typo3DbBackend.

updateRow	(		$tableName,
		array	$fieldValues,
			$isRelation = false
	)

Updates a row in the storage

Parameters

string	$tableName	The database table name
array	$fieldValues	The fieldValues to update
bool	$isRelation	TRUE if we are currently inserting into a relation table, FALSE by default

Returns

mixed|void

Implemented in Typo3DbBackend.