Documentation & API reference
6 methods override ConditionInterface::isNull()
- Condition::isNull in drupal/
core/ lib/ Drupal/ Core/ Database/ Query/ Condition.php - Implements Drupal\Core\Database\Query\ConditionInterface::isNull().
- Delete::isNull in drupal/
core/ lib/ Drupal/ Core/ Database/ Query/ Delete.php - Implements Drupal\Core\Database\Query\ConditionInterface::isNull().
- Merge::isNull in drupal/
core/ lib/ Drupal/ Core/ Database/ Query/ Merge.php - Implements Drupal\Core\Database\Query\ConditionInterface::isNull().
- Select::isNull in drupal/
core/ lib/ Drupal/ Core/ Database/ Query/ Select.php - Sets a condition that the specified field be NULL.
- SelectExtender::isNull in drupal/
core/ lib/ Drupal/ Core/ Database/ Query/ SelectExtender.php - Sets a condition that the specified field be NULL.
- Update::isNull in drupal/
core/ lib/ Drupal/ Core/ Database/ Query/ Update.php - Implements Drupal\Core\Database\Query\ConditionInterface::isNull().