15 lines
472 B
MySQL
15 lines
472 B
MySQL
|
|
||
|
SET @s = (SELECT IF(
|
||
|
(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = DATABASE()
|
||
|
AND table_name = 'Monitors'
|
||
|
AND column_name = 'ZoneCount'
|
||
|
) > 0,
|
||
|
"SELECT 'Column ZoneCount already exists in Monitors'",
|
||
|
"ALTER TABLE `Monitors` ADD `ZoneCount` TINYINT NOT NULL DEFAULT 0 AFTER `ArchivedEventDiskSpace`"
|
||
|
));
|
||
|
|
||
|
PREPARE stmt FROM @s;
|
||
|
EXECUTE stmt;
|
||
|
|
||
|
UPDATE Monitors SET ZoneCount=(SELECT COUNT(Id) FROM Zones WHERE MonitorId=Monitors.Id);
|