Whether or not this query should be DISTINCT Type: bool File

public StatementEmpty::current() File

public SelectExtender::exists(SelectInterface $select)

public Tasks::installable() Check whether

public ConditionInterface::conditionGroupFactory($conjunction

Flag to indicate a query call should return the prepared statement. File core/lib/Drupal/Core/Database/Database

The tables against which to JOIN. This property is a nested array. Each entry is an array representing a single table against which to join

public Connection::upsert($table, array $options = array())

public Select::fields($table_alias, array $fields = array())

public Select::orderRandom() Orders