Add namespace_storage_size_limit to application settings

changelogs/unreleased/nicolasdular-add-max-namepsace-storage-limit-column.yml

+---
+title: Add namespace_storage_size_limit to application settings
+merge_request: 27786
+author:
+type: added

db/migrate/20200324115359_add_namespace_storage_size_limit_to_application_settings.rb

+# frozen_string_literal: true
+
+class AddNamespaceStorageSizeLimitToApplicationSettings < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  disable_ddl_transaction!
+
+  def up
+    add_column_with_default :application_settings, :namespace_storage_size_limit, :bigint, default: 0
+  end
+
+  def down
+    remove_column :application_settings, :namespace_storage_size_limit
+  end
+end

db/structure.sql

@@ -395,7 +395,8 @@ CREATE TABLE public.application_settings (
     prevent_merge_requests_committers_approval boolean DEFAULT false NOT NULL,
     email_restrictions_enabled boolean DEFAULT false NOT NULL,
     email_restrictions text,
-    npm_package_requests_forwarding boolean DEFAULT true NOT NULL
+    npm_package_requests_forwarding boolean DEFAULT true NOT NULL,
+    namespace_storage_size_limit bigint DEFAULT 0 NOT NULL
 );
 
 CREATE SEQUENCE public.application_settings_id_seq
@@ -12749,5 +12750,6 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20200318175008'),
 ('20200319203901'),
 ('20200323075043'),
-('20200323122201');
+('20200323122201'),
+('20200324115359');