From 92350251651c5c4ccf60bbea37293d84101d6535 Mon Sep 17 00:00:00 2001
From: Daku <admin@codeanimu.net>
Date: Sun, 24 Jan 2016 09:56:47 +0000
Subject: [PATCH] fix integrity constraint violations when mass-editting an
 image that already contains the new tag

---
 ext/tag_edit/main.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ext/tag_edit/main.php b/ext/tag_edit/main.php
index 12be5ab7..d6ac16bd 100644
--- a/ext/tag_edit/main.php
+++ b/ext/tag_edit/main.php
@@ -367,6 +367,9 @@ class TagEdit extends Extension {
 					$after[] = $tag;
 				}
 
+				// replace'd tag may already exist in tag set, so remove dupes to avoid integrity constraint violations.
+				$after = array_unique($after);
+
 				$image->set_tags($after);
 
 				$last_id = $image->id;