Interface MigrationTrait

sea-orm-migration/src/lib.rs:26–34

/// 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()))
    }
}