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cascading deletes mysql

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This commit is contained in:
Brian Cao 2022-08-22 16:00:26 -07:00
parent 26cca8ffac
commit 4924a616f9
2 changed files with 41 additions and 6 deletions
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35
db/mysql/migrations/04_remove_cascade_delete/migration.sql Normal file
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-- DropForeignKey
ALTER TABLE `event` DROP FOREIGN KEY `event_ibfk_2`;
-- DropForeignKey
ALTER TABLE `event` DROP FOREIGN KEY `event_ibfk_1`;
-- DropForeignKey
ALTER TABLE `pageview` DROP FOREIGN KEY `pageview_ibfk_2`;
-- DropForeignKey
ALTER TABLE `pageview` DROP FOREIGN KEY `pageview_ibfk_1`;
-- DropForeignKey
ALTER TABLE `session` DROP FOREIGN KEY `session_ibfk_1`;
-- DropForeignKey
ALTER TABLE `website` DROP FOREIGN KEY `website_ibfk_1`;
-- AddForeignKey
ALTER TABLE `event` ADD CONSTRAINT `event_session_id_fkey` FOREIGN KEY (`session_id`) REFERENCES `session`(`session_id`) ON DELETE RESTRICT ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE `event` ADD CONSTRAINT `event_website_id_fkey` FOREIGN KEY (`website_id`) REFERENCES `website`(`website_id`) ON DELETE RESTRICT ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE `pageview` ADD CONSTRAINT `pageview_session_id_fkey` FOREIGN KEY (`session_id`) REFERENCES `session`(`session_id`) ON DELETE RESTRICT ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE `pageview` ADD CONSTRAINT `pageview_website_id_fkey` FOREIGN KEY (`website_id`) REFERENCES `website`(`website_id`) ON DELETE RESTRICT ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE `session` ADD CONSTRAINT `session_website_id_fkey` FOREIGN KEY (`website_id`) REFERENCES `website`(`website_id`) ON DELETE RESTRICT ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE `website` ADD CONSTRAINT `website_user_id_fkey` FOREIGN KEY (`user_id`) REFERENCES `account`(`user_id`) ON DELETE RESTRICT ON UPDATE CASCADE;