1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20201214112752_add_app_settings_container_reg_cleanup_tags_service_max_list_size_constraint.rb b/db/migrate/20201214112752_add_app_settings_container_reg_cleanup_tags_service_max_list_size_constraint.rb
new file mode 100644
index 00000000000..935dd641b4c
--- /dev/null
+++ b/db/migrate/20201214112752_add_app_settings_container_reg_cleanup_tags_service_max_list_size_constraint.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddAppSettingsContainerRegCleanupTagsServiceMaxListSizeConstraint < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  CONSTRAINT_NAME = 'app_settings_container_reg_cleanup_tags_max_list_size_positive'
+
+  disable_ddl_transaction!
+
+  def up
+    add_check_constraint :application_settings, 'container_registry_cleanup_tags_service_max_list_size >= 0', CONSTRAINT_NAME
+  end
+
+  def down
+    remove_check_constraint :application_settings, CONSTRAINT_NAME
+  end
+end