cascading deletes mysql

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

View File

@ -0,0 +1,35 @@
-- 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;

View File

@ -24,8 +24,8 @@ model event {
created_at DateTime? @default(now()) @db.Timestamp(0)
url String @db.VarChar(500)
event_name String @db.VarChar(50)
session session @relation(fields: [session_id], references: [session_id], onDelete: Cascade, onUpdate: NoAction, map: "event_ibfk_2")
website website @relation(fields: [website_id], references: [website_id], onDelete: Cascade, onUpdate: NoAction, map: "event_ibfk_1")
session session @relation(fields: [session_id], references: [session_id])
website website @relation(fields: [website_id], references: [website_id])
event_data event_data?
@@index([created_at])
@ -47,8 +47,8 @@ model pageview {
created_at DateTime? @default(now()) @db.Timestamp(0)
url String @db.VarChar(500)
referrer String? @db.VarChar(500)
session session @relation(fields: [session_id], references: [session_id], onDelete: Cascade, onUpdate: NoAction, map: "pageview_ibfk_2")
website website @relation(fields: [website_id], references: [website_id], onDelete: Cascade, onUpdate: NoAction, map: "pageview_ibfk_1")
session session @relation(fields: [session_id], references: [session_id])
website website @relation(fields: [website_id], references: [website_id])
@@index([created_at])
@@index([session_id])
@ -69,7 +69,7 @@ model session {
screen String? @db.VarChar(11)
language String? @db.VarChar(35)
country String? @db.Char(2)
website website @relation(fields: [website_id], references: [website_id], onDelete: Cascade, onUpdate: NoAction, map: "session_ibfk_1")
website website @relation(fields: [website_id], references: [website_id])
event event[]
pageview pageview[]
@ -85,7 +85,7 @@ model website {
domain String? @db.VarChar(500)
share_id String? @unique() @db.VarChar(64)
created_at DateTime? @default(now()) @db.Timestamp(0)
account account @relation(fields: [user_id], references: [user_id], onDelete: Cascade, onUpdate: NoAction, map: "website_ibfk_1")
account account @relation(fields: [user_id], references: [user_id])
event event[]
pageview pageview[]
session session[]