add $backup_dir_mount_cmd to mail-backup

Florian Schaal

2014-11-04 28a1dcf7efcfbe9ad7cb3010759d111b80659d63

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