Revert "allow 0 for ISINT"

Florian Schaal

2016-01-10 7526d2d2a34fb61dce73f076adfb1fe7fc312bbe

1
ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;