1 files changed, 7 insertions, 0 deletions
diff --git a/lib/gitlab/database.rb b/lib/gitlab/database.rb
index 55b8f888d53..2d5c9232425 100644
--- a/lib/gitlab/database.rb
+++ b/lib/gitlab/database.rb
@@ -35,6 +35,13 @@ module Gitlab
       order
     end
 
+    def self.serialized_transaction
+      opts = {}
+      opts[:isolation] = :serializable unless Rails.env.test? && connection.transaction_open?
+
+      connection.transaction(opts) { yield }
+    end
+
     def self.random
       Gitlab::Database.postgresql? ? "RANDOM()" : "RAND()"
     end