public function QueryConditionInterface::isNull

public QueryConditionInterface::isNull($field)

Sets a condition that the specified field be NULL.

Parameters

$field: The name of the field to check.

Return value

QueryConditionInterface The called object.

File

includes/database/query.inc, line 71

Non-specific Database query code. Used by all engines.

Class

QueryConditionInterface

Interface for a conditional clause in a query.

Code

public function isNull($field);