code: func AuthUserUserPermissionByUserIDPermissionID(db XODB, userID float64, permissionID float64) (*AuthUserUserPermission, error) {
  	var err error
  
  	// sql query
  	const sqlstr = `SELECT ` +
  		`id, user_id, permission_id ` +
  		`FROM django.auth_user_user_permissions ` +
  		`WHERE user_id = :1 AND permission_id = :2`
  
  	// run query
  	XOLog(sqlstr, userID, permissionID)
  	auup := AuthUserUserPermission{
  		_exists: true,
  	}
  
  	err = db.QueryRow(sqlstr, userID, permissionID).Scan(&auup.ID, &auup.UserID, &auup.PermissionID)
  	if err != nil {
  		return nil, err
  	}
  
  	return &auup, nil
  }
docs: // AuthUserUserPermissionByUserIDPermissionID retrieves a row from 'django.auth_user_user_permissions' as a AuthUserUserPermission.
  //
  // Generated from index 'auth_use_user_id_14a6b632_uniq'.