-- -- Add AutoUnarchive action to Filters -- SET @s = (SELECT IF( (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = DATABASE() AND table_name = 'Filters' AND column_name = 'AutoUnarchive' ) > 0, "SELECT 'Column AutoUunarchive already exists in Filters'", "ALTER TABLE Filters ADD `AutoUnarchive` tinyint(3) unsigned NOT NULL default '0' AFTER `AutoArchive`" )); PREPARE stmt FROM @s; EXECUTE stmt;