1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20200414114611_add_group_id_index_and_fk_to_vulnerability_exports.rb b/db/migrate/20200414114611_add_group_id_index_and_fk_to_vulnerability_exports.rb
new file mode 100644
index 00000000000..a3e60b87857
--- /dev/null
+++ b/db/migrate/20200414114611_add_group_id_index_and_fk_to_vulnerability_exports.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class AddGroupIdIndexAndFkToVulnerabilityExports < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  GROUP_ID_INDEX_NAME = 'index_vulnerability_exports_on_group_id_not_null'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index(:vulnerability_exports, :group_id, where: 'group_id IS NOT NULL', name: GROUP_ID_INDEX_NAME)
+    add_concurrent_foreign_key(:vulnerability_exports, :namespaces, column: :group_id)
+  end
+
+  def down
+    remove_foreign_key(:vulnerability_exports, column: :group_id)
+    remove_concurrent_index_by_name(:vulnerability_exports, GROUP_ID_INDEX_NAME)
+  end
+end