CREATE OR REPLACE FUNCTION create_distributed_function(function_name regprocedure,
						       distribution_arg_name text DEFAULT NULL,
						       colocate_with text DEFAULT 'default')
  RETURNS void
  LANGUAGE C CALLED ON NULL INPUT
  AS 'MODULE_PATHNAME', $$create_distributed_function$$;

COMMENT ON FUNCTION create_distributed_function(function_name regprocedure,
						distribution_arg_name text,
						colocate_with text)
  IS 'creates a distributed function';