1 files changed, 25 insertions, 0 deletions
diff --git a/db/post_migrate/20181030135124_fill_empty_values_in_deployments.rb b/db/post_migrate/20181030135124_fill_empty_values_in_deployments.rb
new file mode 100644
index 00000000000..88f3365f02d
--- /dev/null
+++ b/db/post_migrate/20181030135124_fill_empty_values_in_deployments.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class FillEmptyValuesInDeployments < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  class Deployments < ActiveRecord::Base
+    self.table_name = 'deployments'
+
+    include EachBatch
+  end
+
+  def up
+    FillEmptyValuesInDeployments::Deployments
+      .where('finished_at IS NULL')
+      .each_batch(of: 10_000) do |relation|
+      relation.update_all('finished_at=created_at')
+    end
+  end
+
+  def down
+    # no-op
+  end
+end