Billy Chan 6d7bcb35e5
Atomic migration (#1379)
* Running atomic migration

* refactor

* clippy

* visibility

* Execute migration in transaction when it's a Postgres connection

* Testing rolling back on migrate up and down

* lifetimes elision

* typo

* abort migration before committing nested transaction
2023-01-30 22:55:46 +08:00

34 lines
823 B
Rust

#[cfg(feature = "cli")]
pub mod cli;
pub mod connection;
pub mod manager;
pub mod migrator;
pub mod prelude;
pub mod seaql_migrations;
pub mod util;
pub use connection::*;
pub use manager::*;
pub use migrator::*;
pub use async_trait;
pub use sea_orm;
pub use sea_orm::sea_query;
pub use sea_orm::DbErr;
pub trait MigrationName {
fn name(&self) -> &str;
}
/// The migration definition
#[async_trait::async_trait]
pub trait MigrationTrait: MigrationName + Send + Sync {
/// Define actions to perform when applying the migration
async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr>;
/// Define actions to perform when rolling back the migration
async fn down(&self, _manager: &SchemaManager) -> Result<(), DbErr> {
Err(DbErr::Migration("We Don't Do That Here".to_owned()))
}
}