public SelectInterface::havingIsNull($field)

public Select::compiled() Check whether

public Select::getMetaData($key) Retrieves

public SelectExtender::orderRandom()

public StatementPrefetch::execute($args = array(), $options

public Upsert::__toString() Implements

public Merge::__construct(Connection $connection, $table, array $options = array())

Database query logger. We log queries in a separate object rather than in the connection object because we want to be able to see all queries

protected Schema::createPrimaryKeySql($fields)

public SelectExtender::addMetaData($key, $object)