update api to new CH columns

lib/clickhouse.js

@@ -60,6 +60,10 @@ function getDateFormat(date) {
   return `'${dateFormat(date, 'UTC:yyyy-mm-dd HH:MM:ss')}'`;
 }
 
+function getCommaSeparatedStringFormat(data, column) {
+  return data.map(obj => `'${obj[column]}'`).join(',');
+}
+
 function getBetweenDates(field, start_at, end_at) {
   return `${field} between ${getDateFormat(start_at)} 
     and ${getDateFormat(end_at)}`;
@@ -180,6 +184,7 @@ export default {
   getDateStringQuery,
   getDateQuery,
   getDateFormat,
+  getCommaSeparatedStringFormat,
   getBetweenDates,
   getFilterQuery,
   parseFilters,