Safe Haskell | None |
---|---|
Language | Haskell2010 |
Documentation
Migration object. Fields description: * mgrTable is the table you're migrating * mgrFrom is the version you're migrating from (you don't specify what version you migrate TO, because version is always increased by 1, so if mgrFrom is 2, that means that after that migration is run, table version will equal 3 * mgrDo is actual body of a migration