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From: Vladimir Davydov <vdavydov.dev@gmail.com>
To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>,
	Konstantin Osipov <kostja@tarantool.org>
Cc: tarantool-patches@freelists.org, AlexeyIvushkin <ivushkinalex@gmail.com>
Subject: Re: [tarantool-patches] Re: [PATCH] box: add tuple:size function
Date: Mon, 8 Oct 2018 13:16:19 +0300	[thread overview]
Message-ID: <20181008101619.rmhte5evn3flfxiy@esperanza> (raw)
In-Reply-To: <8704964c-ac90-583f-c9ab-fc4dde847184@tarantool.org>

On Sat, Oct 06, 2018 at 04:58:46PM +0300, Vladislav Shpilevoy wrote:
> 
> 
> On 05/10/2018 13:23, Vladimir Davydov wrote:
> > On Thu, Sep 27, 2018 at 08:55:23PM +0300, AlexeyIvushkin wrote:
> > > diff --git a/src/box/lua/tuple.lua b/src/box/lua/tuple.lua
> > > index 63ea73e..801ee3c 100644
> > > --- a/src/box/lua/tuple.lua
> > > +++ b/src/box/lua/tuple.lua
> > > @@ -286,6 +286,7 @@ local methods = {
> > >       ["update"]      = tuple_update;
> > >       ["upsert"]      = tuple_upsert;
> > >       ["bsize"]       = tuple_bsize;
> > > +    ["size"]        = internal.tuple.size;
> > >       ["tomap"]       = internal.tuple.tuple_to_map;
> > 
> > Why did you decide to introduce a new function rather than fixing
> > tuple.bsize, as it was explicitly requested in the ticket?
> 
> It breaks compatibility. Now bsize returns only Message Pack part
> of tuple despite what the documentation says.

Frankly, I don't think that introducing a new method just to keep the
old behavior of bsize intact is a good idea, because we probably won't
stop at that. The next thing we have to add will probably be space.size,
which would be defined as a sum of tuple.size of constituent tuples and
that wouldn't be as trivial to implement as tuple.size...

Anyway, IMO having two methods for getting the size of binary data
stored in a tuple is confusing (which one should I use as a user?).
Up to Kostja.

  reply	other threads:[~2018-10-08 10:16 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-27 17:55 [tarantool-patches] " AlexeyIvushkin
2018-10-03 14:20 ` [tarantool-patches] " Vladislav Shpilevoy
2018-10-03 15:05   ` Vladislav Shpilevoy
2018-10-05 10:23 ` [tarantool-patches] " Vladimir Davydov
2018-10-06 13:58   ` [tarantool-patches] " Vladislav Shpilevoy
2018-10-08 10:16     ` Vladimir Davydov [this message]
2018-10-10 10:25       ` Vladislav Shpilevoy
2018-10-16 18:21 ` Konstantin Osipov
2018-10-17  7:28   ` Alexander Turenko
2018-10-17 15:29     ` Konstantin Osipov
2018-10-17 15:50       ` Alexander Turenko
2018-10-18 18:11         ` Konstantin Osipov
2018-10-18 18:15           ` Alexander Turenko
2018-10-17 18:06       ` Vladislav Shpilevoy
2018-10-17 18:10         ` Vladislav Shpilevoy
2018-10-17 18:14         ` Konstantin Osipov
2018-10-17 18:20           ` Alexander Turenko
2018-10-17 20:36           ` Vladislav Shpilevoy

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