1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20200825081055_boards_epic_user_preferences_fk_epic.rb b/db/migrate/20200825081055_boards_epic_user_preferences_fk_epic.rb
new file mode 100644
index 00000000000..46498f186c4
--- /dev/null
+++ b/db/migrate/20200825081055_boards_epic_user_preferences_fk_epic.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class BoardsEpicUserPreferencesFkEpic < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_foreign_key :boards_epic_user_preferences, :epics, column: :epic_id, on_delete: :cascade # rubocop: disable Migration/AddConcurrentForeignKey
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :boards_epic_user_preferences, column: :epic_id
+    end
+  end
+end