Galera estou tendo problemas com o Rails quando executo o comando: heroku run rake db:migrate, ele retorna um erro
Running rake db:migrate on ⬢ receitasnet-yuri-v1... up, run.7468 (Free)
The PGconn, PGresult, and PGError constants are deprecated, and will be
removed as of version 1.0.
You should use PG::Connection, PG::Result, and PG::Error instead, respectively.
Called from /app/vendor/bundle/ruby/2.3.0/gems/activesupport-4.2.6/lib/active_support/dependencies.rb:240:in `load_dependency'