PDO_TRANS_READ_COMMITTED  324 ext/pdo_firebird/firebird_driver.c 		} else if (dbh->transaction_flags & PDO_TRANS_READ_COMMITTED) {
PDO_TRANS_READ_COMMITTED  327 ext/pdo_firebird/firebird_driver.c 			dbh->transaction_flags &= ~(PDO_TRANS_ISOLATION_LEVEL^PDO_TRANS_READ_COMMITTED);