sesam_rollback

Description

Returns: TRUE on success, FALSE on errors

sesam_rollback() discards any pending updates to the database. Also affected are result cursors and result descriptors.

At the end of each script, and as part of the sesam_disconnect() function, an implied sesam_rollback() is executed, discarding any pending changes to the database.

See also: sesam_commit().

例子 1. Discarding an update to the SESAM database <?php if (sesam_connect ("mycatalog", "myschema", "otto")) {     if (sesam_execimm ("INSERT INTO mytable VALUES (*, 'Small Test', <0, 8, 15>)")         && sesam_execimm ("INSERT INTO othertable VALUES (*, 'Another Test', 1)")) {         sesam_commit();     } else {         sesam_rollback();     } } ?>