ALTER TABLE `Monitors` MODIFY `OutputCodec` enum('h264','mjpeg','mpeg1','mpeg2') default 'h264'; ALTER TABLE `Monitors` MODIFY `OutputContainer` enum('auto','mp4','mkv') default 'auto'; SET @s = (SELECT IF( (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = DATABASE() AND table_name = 'Events' AND column_name = 'SaveJPEGs' ) > 0, "SELECT 'Column SaveJPEGs already exists in Events'", "ALTER TABLE `Events` ADD `SaveJPEGs` TINYINT AFTER `DefaultVideo`" )); PREPARE stmt FROM @s; EXECUTE stmt; UPDATE `Events` SET `SaveJPEGs`=(SELECT `SaveJPEGs` FROM `Monitors` WHERE Monitors.Id = MonitorId) WHERE `SaveJPEGs` IS NULL; SET @s = (SELECT IF( (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = DATABASE() AND table_name = 'Storage' AND column_name = 'DiskSpace' ) > 0, "SELECT 'Column DiskSpace already exists in Events'", "ALTER TABLE `Storage` ADD `DiskSpace` bigint unsigned default NULL AFTER `Type`" )); PREPARE stmt FROM @s; EXECUTE stmt;