Function pageCallback

lib/client.js:695–716

(err, result)

  const nextPage = () => promiseUtils.toCallback(this._execute(query, params, execOptions), pageCallback);

  function pageCallback (err, result) {
    if (err) {
      return callback(err);
    }
    // Next requests in case paging (auto or explicit) is used
    rowLength += result.rowLength;

    if (result.rawPageState !== undefined) {
      // Use new page state as next request page state
      execOptions.setPageState(result.rawPageState);
      if (execOptions.isAutoPage()) {
        // Issue next request for the next page
        return nextPage();
      }
      // Allows for explicit (manual) paging, in case the caller needs it
      result.nextPage = nextPage;
    }

    // Finished auto-paging
    result.rowLength = rowLength;
    callback(null, result);
  }

  promiseUtils.toCallback(this._execute(query, params, execOptions), pageCallback);
};