From 7fae5ca3b81243941f54e1be585e05c283076da4 Mon Sep 17 00:00:00 2001
From: Thorsten Claus <thorstenclaus@web.de>
Date: Thu, 15 Apr 2021 08:14:54 +0200
Subject: [PATCH] More optimized and faster query for local public posts Even
 faster with new index

---
 app/models/post.rb | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/models/post.rb b/app/models/post.rb
index 1905854fa..211972931 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -52,9 +52,10 @@ class Post < ApplicationRecord
   scope :all_public, -> { where(public: true) }
 
   scope :all_local_public, -> {
-    left_outer_joins(author: [:pod])
-      .where("pods.host is null") # local posts have no host in pods
-      .where(public: true)
+    where(" exists ( 
+      select 1 from people where posts.author_id = people.id
+      and people.pod_id is null)
+      and posts.public = true")
   }
 
   scope :commented_by, ->(person)  {