text: -- Upgrade SQL
  
  CREATE FUNCTION pgroonga_result_to_recordset(result jsonb)
  	RETURNS SETOF RECORD
  	AS 'MODULE_PATHNAME', 'pgroonga_result_to_recordset'
  	LANGUAGE C
  	IMMUTABLE
  	STRICT;
  
  CREATE FUNCTION pgroonga_result_to_jsonb_objects(result jsonb)
  	RETURNS jsonb
  	AS 'MODULE_PATHNAME', 'pgroonga_result_to_jsonb_objects'
  	LANGUAGE C
  	IMMUTABLE
  	STRICT;
  