zoneminder/db/zm_update-1.31.42.sql

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MySQL
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2018-04-19 22:09:32 +08:00
SET @s = (SELECT IF(
(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = DATABASE()
AND table_name = 'Monitors'
AND column_name = 'SignalCheckPoints'
) > 0,
"SELECT 'Column SignalCheckPoints already exists in Storage'",
"ALTER TABLE `Monitors` ADD `SignalCheckPoints` INT UNSIGNED NOT NULL default '0' AFTER `DefaultScale`"
));
PREPARE stmt FROM @s;
EXECUTE stmt;