1 files changed, 18 insertions, 0 deletions
diff --git a/db/migrate/20191112232338_ensure_no_empty_milestone_titles.rb b/db/migrate/20191112232338_ensure_no_empty_milestone_titles.rb
new file mode 100644
index 00000000000..76cb511424e
--- /dev/null
+++ b/db/migrate/20191112232338_ensure_no_empty_milestone_titles.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class EnsureNoEmptyMilestoneTitles < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    loop do
+      rows_updated = exec_update <<~SQL
+        UPDATE milestones SET title = '%BLANK' WHERE id IN (SELECT id FROM milestones WHERE title = '' LIMIT 500)
+      SQL
+      break if rows_updated < 500
+    end
+  end
+
+  def down; end
+end