1 files changed, 23 insertions, 0 deletions
diff --git a/db/post_migrate/20190131122559_fix_null_type_labels.rb b/db/post_migrate/20190131122559_fix_null_type_labels.rb
new file mode 100644
index 00000000000..83bb613990c
--- /dev/null
+++ b/db/post_migrate/20190131122559_fix_null_type_labels.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class FixNullTypeLabels < ActiveRecord::Migration[5.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    update_column_in_batches(:labels, :type, 'ProjectLabel') do |table, query|
+      query.where(
+        table[:project_id].not_eq(nil)
+          .and(table[:template].eq(false))
+          .and(table[:type].eq(nil))
+      )
+    end
+  end
+
+  def down
+    # no action
+  end
+end