Returns the connection currently associated with the class. This can also be used to "borrow" the connection to do database work unrelated to any of the specific Active Records.

Source Code

# File active_record/connection_adapters/abstract/connection_specification.rb, line 73
def connection
  if @active_connection_name && (conn = active_connections[@active_connection_name])
    conn
  else
    # retrieve_connection sets the cache key.
    conn = retrieve_connection
    active_connections[@active_connection_name] = conn
  end
end