code: func PgTruetypmod(db XODB, v0 pgtypes.PgAttribute, v1 pgtypes.PgType) (int, error) {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT information_schema._pg_truetypmod($1, $2)`
  
  	// run query
  	var ret int
  	XOLog(sqlstr, v0, v1)
  	err = db.QueryRow(sqlstr, v0, v1).Scan(&ret)
  	if err != nil {
  		return 0, err
  	}
  
  	return ret, nil
  }
docs: // Code generated by xo. DO NOT EDIT.
  // PgTruetypmod calls the stored procedure 'information_schema._pg_truetypmod(pg_attribute, pg_type) integer' on db.