code: func Cideq(db XODB, v0 pgtypes.Cid, v1 pgtypes.Cid) (bool, error) {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT pg_catalog.cideq($1, $2)`
  
  	// run query
  	var ret bool
  	XOLog(sqlstr, v0, v1)
  	err = db.QueryRow(sqlstr, v0, v1).Scan(&ret)
  	if err != nil {
  		return false, err
  	}
  
  	return ret, nil
  }
docs: // Cideq calls the stored procedure 'pg_catalog.cideq(cid, cid) boolean' on db.