method

retrieve_connection

v6.0.0 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::ConnectionHandler

retrieve_connection(spec_name) public

Locate the connection of the nearest super class. This can be an active or defined connection: if it is the latter, it will be opened and set as the active connection for the class it was defined for (not necessarily the current class).

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/connection_pool.rb, line 1099
      def retrieve_connection(spec_name) #:nodoc:
        pool = retrieve_connection_pool(spec_name)

        unless pool
          # multiple database application
          if ActiveRecord::Base.connection_handler != ActiveRecord::Base.default_connection_handler
            raise ConnectionNotEstablished, "No connection pool with '#{spec_name}' found for the '#{ActiveRecord::Base.current_role}' role."
          else
            raise ConnectionNotEstablished, "No connection pool with '#{spec_name}' found."
          end
        end

        pool.connection
      end

retrieve_connection

Related methods