code: func Anytextcat(db XODB, v0 pgtypes.Anynonarray, v1 string) (string, error) {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT pg_catalog.anytextcat($1, $2)`
  
  	// run query
  	var ret string
  	XOLog(sqlstr, v0, v1)
  	err = db.QueryRow(sqlstr, v0, v1).Scan(&ret)
  	if err != nil {
  		return "", err
  	}
  
  	return ret, nil
  }
docs: // Anytextcat calls the stored procedure 'pg_catalog.anytextcat(anynonarray, text) text' on db.