public function ExpressionBuilder::isNull

Parameters

string $field:

mixed $value:

Return value

Comparison

File

drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Collections/ExpressionBuilder.php, line 122

Class

ExpressionBuilder

Builder for Expressions in the {@link Selectable} interface.

Namespace

Code

public function isNull($field) {
  return new Comparison($field, Comparison::IS, new Value(null));
}