From a344fdbfe6c40b11476165cd8b199f1eec300a3f Mon Sep 17 00:00:00 2001
From: albert <r888888888@gmail.com>
Date: Sun, 6 Jan 2013 13:43:11 -0500
Subject: [PATCH] use fast count in post paginator

---
 app/logical/post_sets/post.rb                     | 2 +-
 lib/danbooru/paginator/active_record_extension.rb | 6 +++++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/logical/post_sets/post.rb b/app/logical/post_sets/post.rb
index 50ff5990f..9609a214b 100644
--- a/app/logical/post_sets/post.rb
+++ b/app/logical/post_sets/post.rb
@@ -32,7 +32,7 @@ module PostSets
         raise SearchError.new("Upgrade your account to search more than two tags at once")
       end
       
-      @posts ||= ::Post.tag_match(tag_string).paginate(page)
+      @posts ||= ::Post.tag_match(tag_string).paginate(page, :count => Post.fast_count(tag_string))
     rescue ::Post::SearchError
       @posts = ::Post.where("false")
     end
diff --git a/lib/danbooru/paginator/active_record_extension.rb b/lib/danbooru/paginator/active_record_extension.rb
index 6101a934c..ca5da06f6 100644
--- a/lib/danbooru/paginator/active_record_extension.rb
+++ b/lib/danbooru/paginator/active_record_extension.rb
@@ -6,7 +6,9 @@ module Danbooru
       extend ActiveSupport::Concern
       
       module ClassMethods
-        def paginate(page)
+        def paginate(page, options = {})
+          @paginator_options = options
+          
           if use_sequential_paginator?(page)
             paginate_sequential(page)
           else
@@ -69,6 +71,8 @@ module Danbooru
 
         # taken from kaminari (https://github.com/amatsuda/kaminari)
         def total_count
+          return @paginator_options[:count] if @paginator_options[:count]
+          
           c = except(:offset, :limit, :order)
           c = c.reorder(nil)
           c = c.count