convert analytics queries

queries/analytics/pageview/getPageviewMetrics.js

@@ -1,6 +1,20 @@
-import { parseFilters, rawQuery } from 'lib/db';
+import { CLICKHOUSE, RELATIONAL } from 'lib/constants';
+import {
+  rawQueryClickhouse,
+  runAnalyticsQuery,
+  parseFilters,
+  rawQuery,
+  getBetweenDatesClickhouse,
+} from 'lib/db';
 
-export function getPageviewMetrics(website_id, start_at, end_at, field, table, filters = {}) {
+export async function getPageviewMetrics(...args) {
+  return runAnalyticsQuery({
+    [`${RELATIONAL}`]: () => relationalQuery(...args),
+    [`${CLICKHOUSE}`]: () => clickhouseQuery(...args),
+  });
+}
+
+async function relationalQuery(website_id, start_at, end_at, field, table, filters = {}) {
   const params = [website_id, start_at, end_at];
   const { pageviewQuery, sessionQuery, eventQuery, joinSession } = parseFilters(
     table,
@@ -24,3 +38,28 @@ export function getPageviewMetrics(website_id, start_at, end_at, field, table, f
     params,
   );
 }
+
+async function clickhouseQuery(website_id, start_at, end_at, field, table, filters = {}) {
+  const params = [website_id];
+  const { pageviewQuery, sessionQuery, eventQuery, joinSession } = parseFilters(
+    table,
+    filters,
+    params,
+  );
+
+  return rawQueryClickhouse(
+    `
+    select ${field} x, count(*) y
+    from ${table}
+      ${joinSession}
+    where ${table}.website_id= $1
+    and ${getBetweenDatesClickhouse(table + '.created_at', start_at, end_at)}
+    ${pageviewQuery}
+    ${joinSession && sessionQuery}
+    ${eventQuery}
+    group by x
+    order by y desc
+    `,
+    params,
+  );
+}