Raise a specific exception with a useful message if a rake task is requested for an unknown adapter
class_eval should use __FILE__ and __LINE__
Merge pull request #9125 from neerajdotname/master

class_eval should use __FILE__ and __LINE__
Missing require extract_options
Merge pull request #9119 from dazuma/database_tasks_for_unknown_adapter

Raise an exception with a useful message if a rake task is requested for an unknown adapter
Missing require extract_options