From 53539166c387f8ab4341d5464706a8a4e34a2a4a Mon Sep 17 00:00:00 2001
From: Beni Cherniavsky-Paskin <cben@redhat.com>
Date: Wed, 3 Jan 2018 15:05:48 +0200
Subject: [PATCH] Make Tag.controlled_by_mapping scope join-friendly

---
 app/models/tag.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/models/tag.rb b/app/models/tag.rb
index 2dca5925e362..df8b1113dbbf 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -162,7 +162,7 @@ def categorization
   # @return [ActiveRecord::Relation] Scope for tags controlled by ContainerLabelTagMapping.
   def self.controlled_by_mapping
     queries = ContainerLabelTagMapping::TAG_PREFIXES.collect do |prefix|
-      where("name LIKE ?", "#{sanitize_sql_like(prefix)}%")
+      where(arel_table[:name].matches("#{sanitize_sql_like(prefix)}%", nil, true)) # case sensitive LIKE
     end
     queries.inject(:or).read_only.is_entry
   end