SelectQuery::isNull
public function SelectQuery::isNull
public SelectQuery::isNull($field)
Sets a condition that the specified field be NULL.
Parameters
$field: The name of the field to check.
Return value
QueryConditionInterface The called object.
Overrides QueryConditionInterface::isNull
File
- includes/database/select.inc, line 1053
Class
- SelectQuery
- Query builder for SELECT statements.
Code
public function isNull($field) { $this->where->isNull($field); return $this; }
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