1 files changed, 16 insertions, 0 deletions
diff --git a/db/post_migrate/20190715193142_migrate_discussion_id_on_promoted_epics.rb b/db/post_migrate/20190715193142_migrate_discussion_id_on_promoted_epics.rb
new file mode 100644
index 00000000000..df3a06fd141
--- /dev/null
+++ b/db/post_migrate/20190715193142_migrate_discussion_id_on_promoted_epics.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class MigrateDiscussionIdOnPromotedEpics < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  BATCH_SIZE = 100
+  disable_ddl_transaction!
+
+  def up
+    Gitlab::BackgroundMigration::MigratePromotedEpicsDiscussionIds.new.perform_all_sync(batch_size: BATCH_SIZE)
+  end
+end