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> { manager .create_table( Table::create() .table(Genre::Table) .if_not_exists() .col( ColumnDef::new(Genre::Id) .big_integer() .not_null() .primary_key() .auto_increment() .unique_key(), ) .col(ColumnDef::new(Genre::Name).string().not_null().unique_key()) .col( ColumnDef::new(Genre::SongCount) .big_integer() .not_null() .default(0), ) .col( ColumnDef::new(Genre::AlbumCount) .big_integer() .not_null() .default(0), ) .to_owned(), ) .await } async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> { manager .drop_table(Table::drop().table(Genre::Table).to_owned()) .await } } #[derive(DeriveIden)] pub enum Genre { Table, Id, Name, SongCount, AlbumCount, }