1 files changed, 23 insertions, 0 deletions
diff --git a/db/migrate/20210219100137_add_creator_foreign_key_to_custom_emoji.rb b/db/migrate/20210219100137_add_creator_foreign_key_to_custom_emoji.rb
new file mode 100644
index 00000000000..a954ba5ba3b
--- /dev/null
+++ b/db/migrate/20210219100137_add_creator_foreign_key_to_custom_emoji.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class AddCreatorForeignKeyToCustomEmoji < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  FK_NAME = 'fk_custom_emoji_creator_id'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :custom_emoji, :users,
+                               on_delete: :cascade,
+                               column: :creator_id,
+                               name: FK_NAME
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :custom_emoji, name: FK_NAME
+    end
+  end
+end