[tarantool-patches] Re: [PATCH v1 1/1] box: support reload whole module

[Vladimir Davydov]

On Thu, Jul 12, 2018 at 11:27:13AM +0300, Kirill Shcherbatov wrote:
> > During our verbal discussion with Kirill, he noticed that the fact that
> > box.schema.func.reload() reloads the whole module when it is passed a
> > function name is rather confusing: the user may not know that and call
> > box.schema.func.reload() once per each used function, in which case he
> > will effectively reload the whole module that contains those functions
> > multiple times, which is pointless. Turns out Kirill isn't the only one
> > who finds such an API weird, see
> > 
> >   https://github.com/tarantool/tarantool/issues/910#issuecomment-331435227
> > 
> > I talked to Kostja and he doesn't mind banning this API, i.e. making
> > box.schema.func.reload() interpret its argument only as a module name.
> > 
> > So let's rework this patch so that box_func_reload() directly calls
> > module_reload(), and remove func_reload() altogether. As for the access
> > checks, box_func_reload() should work only if the caller has the global
> > execute privilege.
> 
> Closes #2946.
> 
> @TarantoolBot document
> Title: fixed module reload
> There was a bug in tarantool documentation:
> https://tarantool.io/en/doc/1.7/book/box/
> box_schema/#lua-function.box.schema.func.reload
> Now it is allowed to reload all functions in loadable
> module via one method. Legacy method including finction
> name is forbidden.
> box.schema.func.reload("utils")       -- ok since now
> box.schema.func.reload("utils.func1") -- forbidden since now
> 
> Global reload is still unsupported because it seems
> to be useless.
> box.schema.func.reload()              -- invalid!
> ---
> https://github.com/tarantool/tarantool/compare/kshch/gh-2946-module-reload
> https://github.com/tarantool/tarantool/issues/2946
> 
>  src/box/call.c                | 23 +++++++++++++----------
>  src/box/call.h                |  9 ++++++++-
>  src/box/errcode.h             |  1 +
>  src/box/func.c                | 16 ----------------
>  src/box/func.h                | 11 ++++++++++-
>  src/box/lua/call.c            |  6 +++---
>  src/box/lua/schema.lua        |  2 +-
>  test/box/func_reload.result   | 23 ++++++++---------------
>  test/box/func_reload.test.lua | 14 ++++++--------
>  test/box/misc.result          |  1 +
>  10 files changed, 51 insertions(+), 55 deletions(-)

Looks good to me.