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(Users::Table) .if_not_exists() .col( ColumnDef::new(Users::Id) .string() .not_null() .primary_key() ) .col(ColumnDef::new(Users::Name).string().null()) .to_owned() ) .await?; Ok(()) } async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> { manager. drop_table(Table::drop().table(Users::Table).to_owned()) .await?; Ok(()) } } #[derive(DeriveIden)] enum Users { Table, Id, Name, }