use sea_orm_migration::prelude::*; use crate::{m20221024_121621_create_candidate::Candidate, m20230114_114628_create_application::Application}; #[derive(DeriveMigrationName)] pub struct Migration; #[async_trait::async_trait] impl MigrationTrait for Migration { async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> { manager.create_foreign_key(ForeignKey::create() .name("candidate_fk") .from(Application::Table, Application::CandidateId) .to(Candidate::Table, Candidate::Id) .on_delete(ForeignKeyAction::Cascade) .on_update(ForeignKeyAction::Cascade) .to_owned()).await } async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> { manager.drop_foreign_key(ForeignKey::drop() .name("candidate_fk") .table(Application::Table) .to_owned()).await } }