idk

migration/src/lib.rs

@@ -2,6 +2,7 @@ pub use sea_orm_migration::prelude::*;
 
 mod m20220101_000001_create_event_table;
 mod m20250215_213300_create_user_table;
+mod m20260216_215000_refactor_user_id_to_sub;
 
 pub struct Migrator;
 
@@ -11,6 +12,7 @@ impl MigratorTrait for Migrator {
         vec![
             Box::new(m20220101_000001_create_event_table::Migration),
             Box::new(m20250215_213300_create_user_table::Migration),
+            Box::new(m20260216_215000_refactor_user_id_to_sub::Migration),
         ]
     }
 }

migration/src/m20260216_215000_refactor_user_id_to_sub.rs

@@ -0,0 +1,123 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        // Drop foreign key
+        manager
+            .drop_foreign_key(
+                ForeignKey::drop()
+                    .name("fk-event-user_id")
+                    .table(Event::Table)
+                    .to_owned(),
+            )
+            .await?;
+
+        // Add user_sub column
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Event::Table)
+                    .add_column(ColumnDef::new(Event::UserSub).string().null())
+                    .to_owned(),
+            )
+            .await?;
+
+        // Copy user_sub from user table via user_id
+        manager
+            .exec_stmt(
+                Query::update()
+                    .table(Event::Table)
+                    .values([(
+                        Event::UserSub,
+                        SimpleExpr::SubQuery(
+                            None,
+                            Box::new(
+                                Query::select()
+                                    .column(User::Sub)
+                                    .from(User::Table)
+                                    .and_where(
+                                        Expr::col((User::Table, User::Id))
+                                            .eq(Expr::col((Event::Table, Event::UserId))),
+                                    )
+                                    .to_owned()
+                                    .into_sub_query_statement(),
+                            ),
+                        ),
+                    )])
+                    .to_owned(),
+            )
+            .await?;
+
+        // Drop user_id column
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Event::Table)
+                    .drop_column(Event::UserId)
+                    .to_owned(),
+            )
+            .await?;
+
+        // Create new foreign key to user.sub
+        manager
+            .create_foreign_key(
+                ForeignKey::create()
+                    .name("fk-event-user_sub")
+                    .from(Event::Table, Event::UserSub)
+                    .to(User::Table, User::Sub)
+                    .on_delete(ForeignKeyAction::Cascade)
+                    .to_owned(),
+            )
+            .await
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        manager
+            .drop_foreign_key(
+                ForeignKey::drop()
+                    .name("fk-event-user_sub")
+                    .table(Event::Table)
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Event::Table)
+                    .drop_column(Event::UserSub)
+                    .add_column(ColumnDef::new(Event::UserId).integer())
+                    .to_owned(),
+            )
+            .await?;
+
+        manager
+            .create_foreign_key(
+                ForeignKey::create()
+                    .name("fk-event-user_id")
+                    .from(Event::Table, Event::UserId)
+                    .to(User::Table, User::Id)
+                    .on_delete(ForeignKeyAction::Cascade)
+                    .to_owned(),
+            )
+            .await
+    }
+}
+
+#[derive(DeriveIden)]
+enum User {
+    Table,
+    Id,
+    Sub,
+}
+
+#[derive(DeriveIden)]
+enum Event {
+    Table,
+    UserId,
+    UserSub,
+}