DAddYE/mini_record — pull request #41 by tyabe (2014-07-07 18:27:28+00:00)
Title: Fix get_sql_field_type method

`sql_type` method is resurrected from AR 4.1.2.
https://github.com/rails/rails/blob/v4.1.2/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb#L18