code: func Tsrange(db XODB, v0 time.Time, v1 time.Time, v2 time.Time, v3 time.Time, v4 string) (pgtypes.Tsrange, error) {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT pg_catalog.tsrange($1, $2, $3, $4, $5)`
  
  	// run query
  	var ret pgtypes.Tsrange
  	XOLog(sqlstr, v0, v1, v2, v3, v4)
  	err = db.QueryRow(sqlstr, v0, v1, v2, v3, v4).Scan(&ret)
  	if err != nil {
  		return pgtypes.Tsrange{}, err
  	}
  
  	return ret, nil
  }
docs: // Tsrange calls the stored procedure 'pg_catalog.tsrange(timestamp without time zone, timestamp without time zone, timestamp without time zone, timestamp without time zone, text) tsrange' on db.