PlaceholderInterface

class \Drupal\Core\Database\Query\Delete extends \Drupal\Core\Database\Query\Query implements \Drupal\Core\Database\Query\ConditionInterface uses \Drupal\Core\Database\Query\QueryConditionTrait
class \Drupal\Core\Database\Query\Insert extends \Drupal\Core\Database\Query\Query implements \Drupal\Core\Database\Query\Countable uses \Drupal\Core\Database\Query\InsertTrait
class \Drupal\Core\Database\Query\Merge extends \Drupal\Core\Database\Query\Query implements \Drupal\Core\Database\Query\ConditionInterface uses \Drupal\Core\Database\Query\QueryConditionTrait
class \Drupal\Core\Database\Query\PagerSelectExtender extends \Drupal\Core\Database\Query\SelectExtender
class \Drupal\Core\Database\Query\Query implements \Drupal\Core\Database\Query\PlaceholderInterface
class \Drupal\Core\Database\Query\Select extends \Drupal\Core\Database\Query\Query implements \Drupal\Core\Database\Query\SelectInterface uses \Drupal\Core\Database\Query\QueryConditionTrait
class \Drupal\Core\Database\Query\SelectExtender implements \Drupal\Core\Database\Query\SelectInterface
class \Drupal\Core\Database\Query\TableSortExtender extends \Drupal\Core\Database\Query\SelectExtender
class \Drupal\Core\Database\Query\Truncate extends \Drupal\Core\Database\Query\Query
class \Drupal\Core\Database\Query\Update extends \Drupal\Core\Database\Query\Query implements \Drupal\Core\Database\Query\ConditionInterface uses \Drupal\Core\Database\Query\QueryConditionTrait
class \Drupal\Core\Database\Query\Upsert extends \Drupal\Core\Database\Query\Query implements \Drupal\Core\Database\Query\Countable uses \Drupal\Core\Database\Query\InsertTrait
class \Drupal\Core\Database\Schema implements \Drupal\Core\Database\Query\PlaceholderInterface
class \Drupal\mysql\Driver\Database\mysql\Delete extends \Drupal\Core\Database\Query\Delete
class \Drupal\mysql\Driver\Database\mysql\Insert extends \Drupal\Core\Database\Query\Insert
class \Drupal\mysql\Driver\Database\mysql\Merge extends \Drupal\Core\Database\Query\Merge
class \Drupal\mysql\Driver\Database\mysql\Schema extends \Drupal\Core\Database\Schema
class \Drupal\mysql\Driver\Database\mysql\Select extends \Drupal\Core\Database\Query\Select
class \Drupal\mysql\Driver\Database\mysql\Truncate extends \Drupal\Core\Database\Query\Truncate
class \Drupal\mysql\Driver\Database\mysql\Update extends \Drupal\Core\Database\Query\Update
class \Drupal\mysql\Driver\Database\mysql\Upsert extends \Drupal\Core\Database\Query\Upsert
class \Drupal\pgsql\Driver\Database\pgsql\Delete extends \Drupal\Core\Database\Query\Delete
class \Drupal\pgsql\Driver\Database\pgsql\Insert extends \Drupal\Core\Database\Query\Insert
class \Drupal\pgsql\Driver\Database\pgsql\Merge extends \Drupal\Core\Database\Query\Merge
class \Drupal\pgsql\Driver\Database\pgsql\Schema extends \Drupal\Core\Database\Schema
class \Drupal\pgsql\Driver\Database\pgsql\Select extends \Drupal\Core\Database\Query\Select
class \Drupal\pgsql\Driver\Database\pgsql\Truncate extends \Drupal\Core\Database\Query\Truncate
class \Drupal\pgsql\Driver\Database\pgsql\Update extends \Drupal\Core\Database\Query\Update
class \Drupal\pgsql\Driver\Database\pgsql\Upsert extends \Drupal\Core\Database\Query\Upsert
class \Drupal\search\SearchQuery extends \Drupal\Core\Database\Query\SelectExtender
class \Drupal\search\ViewsSearchQuery extends \Drupal\search\SearchQuery
class \Drupal\sqlite\Driver\Database\sqlite\Delete extends \Drupal\Core\Database\Query\Delete
class \Drupal\sqlite\Driver\Database\sqlite\Insert extends \Drupal\Core\Database\Query\Insert
class \Drupal\sqlite\Driver\Database\sqlite\Merge extends \Drupal\Core\Database\Query\Merge
class \Drupal\sqlite\Driver\Database\sqlite\Schema extends \Drupal\Core\Database\Schema
class \Drupal\sqlite\Driver\Database\sqlite\Select extends \Drupal\Core\Database\Query\Select
class \Drupal\sqlite\Driver\Database\sqlite\Truncate extends \Drupal\Core\Database\Query\Truncate
class \Drupal\sqlite\Driver\Database\sqlite\Update extends \Drupal\Core\Database\Query\Update
class \Drupal\sqlite\Driver\Database\sqlite\Upsert extends \Drupal\Core\Database\Query\Upsert