{"comment":{"url":"https://api.github.com/repos/rails/rails/comments/13145412","html_url":"https://github.com/rails/rails/commit/2dfff4d31634d669f4c198c4fb85b59d39477862#commitcomment-13145412","id":13145412,"user":{"login":"jeremy","id":199,"avatar_url":"https://avatars.githubusercontent.com/u/199?v=3","gravatar_id":"","url":"https://api.github.com/users/jeremy","html_url":"https://github.com/jeremy","followers_url":"https://api.github.com/users/jeremy/followers","following_url":"https://api.github.com/users/jeremy/following{/other_user}","gists_url":"https://api.github.com/users/jeremy/gists{/gist_id}","starred_url":"https://api.github.com/users/jeremy/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jeremy/subscriptions","organizations_url":"https://api.github.com/users/jeremy/orgs","repos_url":"https://api.github.com/users/jeremy/repos","events_url":"https://api.github.com/users/jeremy/events{/privacy}","received_events_url":"https://api.github.com/users/jeremy/received_events","type":"User","site_admin":false},"position":null,"line":null,"path":"","commit_id":"2dfff4d31634d669f4c198c4fb85b59d39477862","created_at":"2015-09-09T20:22:50Z","updated_at":"2015-09-09T20:22:50Z","body":"For anyone else interested in this little morsel, you can start here. Take a look at how the app generator decides which gem to use for which db: https://github.com/rails/rails/blob/master/railties/lib/rails/generators/app_base.rb#L163-L167"}}