Feat/um 305 unique session ch (#2065)

* Add session_data / session redis to CH.

* Add mysql migration.

queries/analytics/session/getSession.ts

@@ -1,43 +1,8 @@
-import clickhouse from 'lib/clickhouse';
-import { CLICKHOUSE, PRISMA, runQuery } from 'lib/db';
-import prisma from 'lib/prisma';
 import { Prisma } from '@prisma/client';
+import prisma from 'lib/prisma';
 
-export async function getSession(args: { id: string }) {
-  return runQuery({
-    [PRISMA]: () => relationalQuery(args),
-    [CLICKHOUSE]: () => clickhouseQuery(args),
-  });
-}
-
-async function relationalQuery(where: Prisma.SessionWhereUniqueInput) {
+export async function getSession(where: Prisma.SessionWhereUniqueInput) {
   return prisma.client.session.findUnique({
     where,
   });
 }
-
-async function clickhouseQuery({ id: sessionId }: { id: string }) {
-  const { rawQuery, findFirst } = clickhouse;
-  const params = { sessionId };
-
-  return rawQuery(
-    `select
-      session_id, 
-      website_id, 
-      created_at, 
-      hostname, 
-      browser, 
-      os, 
-      device, 
-      screen,
-      language, 
-      country,
-      subdivision1,
-      subdivision2,
-      city
-    from website_event
-      where session_id = {sessionId:UUID}
-    limit 1`,
-    params,
-  ).then(result => findFirst(result));
-}