20 lines
694 B
SQL
20 lines
694 B
SQL
-- Drop existing constraint
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ALTER TABLE `reminders` DROP CONSTRAINT `reminders_ibfk_1`;
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ALTER TABLE `reminders` MODIFY COLUMN `channel_id` INT UNSIGNED;
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ALTER TABLE `reminders` ADD COLUMN `guild_id` INT UNSIGNED;
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ALTER TABLE `reminders`
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ADD CONSTRAINT `guild_id_fk`
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FOREIGN KEY (`guild_id`)
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REFERENCES `guilds`(`id`)
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ON DELETE CASCADE;
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ALTER TABLE `reminders`
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ADD CONSTRAINT `channel_id_fk`
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FOREIGN KEY (`channel_id`)
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REFERENCES `channels`(`id`)
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ON DELETE SET NULL;
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UPDATE `reminders` SET `guild_id` = (SELECT guilds.`id` FROM `channels` INNER JOIN `guilds` ON channels.guild_id = guilds.id WHERE reminders.channel_id = channels.id);
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