message: Return alert instead of fetch button when async results has no data
diff: @@ -198,6 +198,10 @@ class ResultSet extends React.PureComponent {
  </div>
  );
  } else if (query.resultsKey) {
  + if (results && data && data.length === 0) {
  + // if fetched result contains zero rows of data
  + return <Alert bsStyle="warning">The asynchronous query returned no data</Alert>;
  + }
  return (
  <div>
  <Alert bsStyle="warning">This query was run asynchronously &nbsp;
  