midas 0.7.6

Do painless migration 🦀
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

use anyhow::Result as AnyhowResult;

pub mod mysql;
pub mod postgres;
pub mod sqlite;

pub type VecSerial = Vec<i64>;

pub trait Driver {
  fn ensure_midas_schema(&mut self) -> AnyhowResult<()>;
  fn drop_migration_table(&mut self) -> AnyhowResult<()>;
  fn drop_database(&mut self, db_name: &str) -> AnyhowResult<()>;
  fn count_migrations(&mut self) -> AnyhowResult<i64>;
  fn get_completed_migrations(&mut self) -> AnyhowResult<VecSerial>;
  fn get_last_completed_migration(&mut self) -> AnyhowResult<i64>;
  fn add_completed_migration(&mut self, migration_number: i64) -> AnyhowResult<()>;
  fn delete_completed_migration(&mut self, migration_number: i64) -> AnyhowResult<()>;
  fn delete_last_completed_migration(&mut self) -> AnyhowResult<()>;
  fn migrate(&mut self, query: &str, migration_number: i64) -> AnyhowResult<()>;
  fn db_name(&self) -> &str;
}