Expanded class hierarchy of Merge in Drupal 10
- class \Drupal\Core\Database\Query\Query implements PlaceholderInterface
- class \Drupal\Core\Database\Query\Delete implements ConditionInterface uses QueryConditionTrait
- class \Drupal\Core\Database\Query\Insert implements \Drupal\Core\Database\Query\Countable uses InsertTrait
- class \Drupal\Core\Database\Query\Merge implements ConditionInterface uses QueryConditionTrait
- class \Drupal\Core\Database\Query\Truncate
- class \Drupal\Core\Database\Query\Update implements ConditionInterface uses QueryConditionTrait
- class \Drupal\Core\Database\Query\Upsert implements \Drupal\Core\Database\Query\Countable uses InsertTrait