rails/rails — pull request #12527 by vipulnsward (2013-10-14 15:26:49+00:00)
Title: SQLite3 Adapter datatypes cleanup

Remove `default_primary_key_type` and extract contains of `native_database_types` to a constant since they aren't conditional now in SQLite3Adapter. Makes it more like other adapters.

https://github.com/rails/rails/pull/11833 made this possible.