1 files changed, 24 insertions, 0 deletions
diff --git a/db/migrate/20190920194925_backfill_releases_table_updated_at_and_add_not_null_constraints_to_timestamps.rb b/db/migrate/20190920194925_backfill_releases_table_updated_at_and_add_not_null_constraints_to_timestamps.rb
new file mode 100644
index 00000000000..f8f1c6c231b
--- /dev/null
+++ b/db/migrate/20190920194925_backfill_releases_table_updated_at_and_add_not_null_constraints_to_timestamps.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class BackfillReleasesTableUpdatedAtAndAddNotNullConstraintsToTimestamps < ActiveRecord::Migration[5.2]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    change_column_null(:releases, :created_at, false, Time.zone.now)
+
+    update_column_in_batches(:releases, :updated_at, Arel.sql('created_at')) do |table, query|
+      query.where(table[:updated_at].eq(nil))
+    end
+
+    change_column_null(:releases, :updated_at, false, Time.zone.now)
+  end
+
+  def down
+    change_column_null(:releases, :updated_at, true)
+    change_column_null(:releases, :created_at, true)
+  end
+end