From 3805a0b43149df8b5c133189787c98b709eb9c3d Mon Sep 17 00:00:00 2001
From: Francis Cao <franciscao@gmail.com>
Date: Tue, 13 Aug 2024 10:49:04 -0700
Subject: [PATCH] limit event/session table to 1000 for performance

---
 src/queries/analytics/events/getWebsiteEvents.ts     | 3 +++
 src/queries/analytics/sessions/getWebsiteSessions.ts | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/src/queries/analytics/events/getWebsiteEvents.ts b/src/queries/analytics/events/getWebsiteEvents.ts
index 296602ea..9304d69e 100644
--- a/src/queries/analytics/events/getWebsiteEvents.ts
+++ b/src/queries/analytics/events/getWebsiteEvents.ts
@@ -32,6 +32,7 @@ async function clickhouseQuery(websiteId: string, filters: QueryFilters, pagePar
 
   return pagedQuery(
     `
+    with events as (
     select
       event_id as id,
       website_id as websiteId, 
@@ -56,6 +57,8 @@ async function clickhouseQuery(websiteId: string, filters: QueryFilters, pagePar
         : ''
     }
     order by created_at desc
+    limit 1000)
+    select * from events
     `,
     { ...params, query },
     pageParams,
diff --git a/src/queries/analytics/sessions/getWebsiteSessions.ts b/src/queries/analytics/sessions/getWebsiteSessions.ts
index 5513e438..60f30b6b 100644
--- a/src/queries/analytics/sessions/getWebsiteSessions.ts
+++ b/src/queries/analytics/sessions/getWebsiteSessions.ts
@@ -29,6 +29,7 @@ async function clickhouseQuery(websiteId: string, filters: QueryFilters, pagePar
 
   return pagedQuery(
     `
+    with sessions as (
     select
       session_id as id,
       website_id as websiteId,
@@ -51,6 +52,8 @@ async function clickhouseQuery(websiteId: string, filters: QueryFilters, pagePar
     ${filterQuery}
     group by session_id, website_id, hostname, browser, os, device, screen, language, country, subdivision1, city
     order by lastAt desc
+    limit 1000)
+    select * from sessions
     `,
     params,
     pageParams,