ibase_rollback_ret — Roll back a transaction without closing it
Rolls back a transaction without closing it.
If called without an argument, this function rolls back the default transaction of the default link. If the argument is a connection identifier, the default transaction of the corresponding connection will be rolled back. If the argument is a transaction identifier, the corresponding transaction will be rolled back. The transaction context will be retained, so statements executed from within this transaction will not be invalidated.
Returns TRUE on success or FALSE on failure.