PDO_TRANS_READ_UNCOMMITTED  321 ext/pdo_firebird/firebird_driver.c 		if (dbh->transaction_flags & PDO_TRANS_READ_UNCOMMITTED) {
PDO_TRANS_READ_UNCOMMITTED  325 ext/pdo_firebird/firebird_driver.c 			dbh->transaction_flags &= ~(PDO_TRANS_ISOLATION_LEVEL^PDO_TRANS_READ_UNCOMMITTED);