From 58bd0670b7cf5ab6b2228f9e58f9f225ceb7f81d Mon Sep 17 00:00:00 2001
From: evazion <noizave@gmail.com>
Date: Wed, 7 Jun 2017 22:41:07 -0500
Subject: [PATCH] Post#pools: avoid query when post has no pools.

---
 app/models/post.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/models/post.rb b/app/models/post.rb
index b0cfb704c..34a77946c 100644
--- a/app/models/post.rb
+++ b/app/models/post.rb
@@ -1026,8 +1026,9 @@ class Post < ActiveRecord::Base
   module PoolMethods
     def pools
       @pools ||= begin
+        return Pool.none if pool_string.blank?
         pool_ids = pool_string.scan(/\d+/)
-        Pool.where(["is_deleted = false and id in (?)", pool_ids])
+        Pool.undeleted.where(id: pool_ids).series_first
       end
     end