function insertRowsInBigQuery(){
var projectId = 'xxx';
var spreadsheet = SpreadsheetApp.getActive();
var sheet = spreadsheet.getSheetByName("EPC");

var data = sheet.getRange(2, 1, sheet.getLastRow() - 1, 2).getValues();
var sqlData = "INSERT INTO ean.eanToAnalyze (EPC, EAN) VALUES (";

for (i = 0; i < data.length; i++){
  if (i > 0) {
    sqlData += ",(";
  }
  for (j = 0; j < data[0].length; j++){
    sqlData += "'" + data[i][j] + "'";
    if (j < data[0].length -1){
      sqlData += ",";
    } else {
      sqlData +=")";
    }
  }
}

var request = {
  query: sqlData,
  writeDisposition: 'WRITE_TRUNCATE'
};

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);
}

Logger.log(queryResults);

}