Get data from BigQuery into Google Sheets. Google Apps Scrpt

Code.gs

function runQuery(querySelector) {
  // Replace this value with the project ID listed in the Google
  // Cloud Platform project.
  var projectId = 'your-project-id-not-project-name';

  if (querySelector){ // be creative, construct your own dynamic query with parameters. or something
    var request = {
      query: 'SELECT * FROM project.dataset.table',
      useLegacySql: false // set to true to use strange sql from the past
    };
  } else {
    var request = {
      query: 'SELECT * FROM project.dataset.othertable',
      useLegacySql: false
    };
  };
  
  var queryResults = BigQuery.Jobs.query(request, projectId);
  var jobId = queryResults.jobReference.jobId;

  // Check on status of the Query Job.
  var sleepTimeMs = 500;
  while (!queryResults.jobComplete) {
    Utilities.sleep(sleepTimeMs);
    sleepTimeMs *= 2;
    queryResults = BigQuery.Jobs.getQueryResults(projectId, jobId);
    console.log('waiting...');
  }

  // Get all the rows of results.
  var rows = queryResults.rows;
  while (queryResults.pageToken) {
    queryResults = BigQuery.Jobs.getQueryResults(projectId, jobId, {
      pageToken: queryResults.pageToken
    });
    rows = rows.concat(queryResults.rows);
    console.log('getting results...');
  }

  if (rows) {
    var spreadsheet = SpreadsheetApp.getActiveSpreadsheet();
    if (withCosts){
      var sheet = spreadsheet.getSheetByName("SheetWhereDataFromQuery1Goes");
    } else {
      var sheet = spreadsheet.getSheetByName("SheetWhereDataFromQuery2Goes");
    };

    // Append the headers.
    var headers = queryResults.schema.fields.map(function(field) {
      return field.name;
    });
//    sheet.appendRow(headers);

    // Append the results.
    var data = new Array(rows.length);
    for (var i = 0; i < rows.length; i++) {
      var cols = rows[i].f;
      data[i] = new Array(cols.length);
      for (var j = 0; j < cols.length; j++) {
        data[i][j] = cols[j].v;
      }
    }
    sheet.getRange(2, 2, rows.length, headers.length).setValues(data);

    console.log('Results spreadsheet updated: %s',
        spreadsheet.getUrl());
  } else {
    console.log('No rows returned.');
  }
}