public function DatabaseCondition::exists

Implements QueryConditionInterface::exists().

Overrides QueryConditionInterface::exists

Archivo

drupal-7.x/includes/database/query.inc, line 1772

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

Class

DatabaseCondition

Generic class for a series of conditions in a query.

Código

public function exists(SelectQueryInterface $select) {
  return $this->condition('', $select, 'EXISTS');
}