[Tarantool-patches] [PATCH v2 vshard 1/2] storage: introduce upgrade strategy

[Oleg Babin]

Hi! Thanks for changes. It was really unexpected for me that such 
modifications as were in previous version is prohibited.

LGTM. Except the fact that you store upgrade code in storage/init. IMO 
it should be encapsulated in a separate file.

On 25/03/2020 02:44, Vladislav Shpilevoy wrote:
> Since vshard creation it never needed any schema changes. Version
> of vshard schema was always '1', stored in _schema as
> 'oncevshard:storage:1', because it was created by
> box.once('vshard:storage:1').