Merge branch 'fj-ignore-storage-version-column-snippets' into 'master'

Ignore storage_version column in snippet table

See merge request gitlab-org/gitlab!23166

app/models/snippet.rb

@@ -14,8 +14,12 @@ class Snippet < ApplicationRecord
   include Editable
   include Gitlab::SQL::Pattern
   include FromUnion
+  include IgnorableColumns
+
   extend ::Gitlab::Utils::Override
 
+  ignore_column :storage_version, remove_with: '12.9', remove_after: '2020-03-22'
+
   cache_markdown_field :title, pipeline: :single_line
   cache_markdown_field :description
   cache_markdown_field :content