code: func hasOnlySetRowAttrs(calls []*pql.Call) bool {
  	if len(calls) == 0 {
  		return false
  	}
  
  	for _, call := range calls {
  		if call.Name != "SetRowAttrs" {
  			return false
  		}
  	}
  	return true
  }
docs: // hasOnlySetRowAttrs returns true if calls only contains SetRowAttrs() calls.