Re-write CH queries to use query params.

queries/analytics/pageview/getPageviews.ts

@@ -0,0 +1,44 @@
+import prisma from 'lib/prisma';
+import clickhouse from 'lib/clickhouse';
+import { runQuery, CLICKHOUSE, PRISMA } from 'lib/db';
+import { EVENT_TYPE } from 'lib/constants';
+
+export async function getPageviews(...args: [websites: string[], startAt: Date]) {
+  return runQuery({
+    [PRISMA]: () => relationalQuery(...args),
+    [CLICKHOUSE]: () => clickhouseQuery(...args),
+  });
+}
+
+async function relationalQuery(websites: string[], startAt: Date) {
+  return prisma.client.pageview.findMany({
+    where: {
+      websiteId: {
+        in: websites,
+      },
+      createdAt: {
+        gte: startAt,
+      },
+    },
+  });
+}
+
+async function clickhouseQuery(websites: string[], startAt: Date) {
+  const { rawQuery } = clickhouse;
+
+  return rawQuery(
+    `select
+        website_id,
+        session_id,
+        created_at,
+        url
+      from event
+      where event_type = ${EVENT_TYPE.pageView}
+        and ${websites && websites.length > 0 ? `website_id in {websites:Array(UUID)}` : '0 = 0'}
+        and created_at >= {startAt:DateTime('UTC')}`,
+    {
+      websites,
+      startAt,
+    },
+  );
+}