From 23697dd525c557fb42d99c4338a694febee8bcd3 Mon Sep 17 00:00:00 2001
From: Parziphal <asterixvader@gmail.com>
Date: Thu, 20 Feb 2014 16:48:24 -0500
Subject: [PATCH] Changed purge_tags(). Tag purging was done directly to the
 database, leaving the tags' history entries orphan.

---
 app/models/Tag.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/app/models/Tag.php b/app/models/Tag.php
index e586a3e..aefe85b 100755
--- a/app/models/Tag.php
+++ b/app/models/Tag.php
@@ -550,11 +550,11 @@ class Tag extends Rails\ActiveRecord\Base
     
     static public function purge_tags()
     {
-        $sql =
-            "DELETE FROM tags " .
-            "WHERE post_count = 0 AND " .
+        $condition = "post_count = 0 AND " .
             "id NOT IN (SELECT alias_id FROM tag_aliases UNION SELECT predicate_id FROM tag_implications UNION SELECT consequent_id FROM tag_implications)";
-        self::connection()->executeSql($sql);
+        foreach(Tag::where($condition)->take() as $tag) {
+            $tag->destroy();
+        }
     }
     
     static public function recalculate_post_count()