my_bool mysql_rollback(MYSQL *mysql)
Description
Rolls back the current transaction.
The action of this function is subject to the value of the
completion_type system
variable. In particular, if the value of
completion_type is
RELEASE (or 2), the server performs a release
after terminating a transaction and closes the client
connection. The client program should call
mysql_close() to close the
connection from the client side.
Return Values
Zero if successful. Nonzero if an error occurred.
Errors
None.