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public function DatabaseCondition::notExists in Drupal 7

Implements QueryConditionInterface::notExists().

Overrides QueryConditionInterface::notExists

File

includes/database/query.inc, line 1768
Non-specific Database query code. Used by all engines.

Class

DatabaseCondition
Generic class for a series of conditions in a query.

Code

public function notExists(SelectQueryInterface $select) {
  return $this
    ->condition('', $select, 'NOT EXISTS');
}