12 lines
342 B
MySQL
12 lines
342 B
MySQL
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SET @s = (SELECT IF(
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(SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_schema = DATABASE()
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AND table_name = 'Filters'
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AND column_name = 'UserId'
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) > 0,
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"SELECT 'Column UserId already exists in Filters'",
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"ALTER TABLE `Filters` ADD `UserId` int(10) unsigned AFTER `Name`"
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));
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PREPARE stmt FROM @s;
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EXECUTE stmt;
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