1 files changed, 26 insertions, 0 deletions
diff --git a/db/migrate/20200907092610_add_user_id_to_group_import_states.rb b/db/migrate/20200907092610_add_user_id_to_group_import_states.rb
new file mode 100644
index 00000000000..231bafeabdb
--- /dev/null
+++ b/db/migrate/20200907092610_add_user_id_to_group_import_states.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+class AddUserIdToGroupImportStates < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    unless column_exists?(:group_import_states, :user_id)
+      with_lock_retries do
+        add_column :group_import_states, :user_id, :bigint
+      end
+    end
+
+    add_concurrent_foreign_key :group_import_states, :users, column: :user_id, on_delete: :cascade
+    add_concurrent_index :group_import_states, :user_id, where: 'user_id IS NOT NULL', name: 'index_group_import_states_on_user_id'
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :group_import_states, :user_id
+    end
+  end
+end