From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Konstantin Osipov <kostja@tarantool.org>
Cc: tml <tarantool-patches@freelists.org>,
Alexander Turenko <alexander.turenko@tarantool.org>,
Kirill Yukhin <kyukhin@tarantool.org>
Subject: [tarantool-patches] Re: [PATCH 1/5] box/console: Add mapping for direct symbols
Date: Tue, 3 Sep 2019 11:26:05 +0300 [thread overview]
Message-ID: <20190903082605.GI2801@uranus.lan> (raw)
In-Reply-To: <20190903082351.GB9438@atlas>
On Tue, Sep 03, 2019 at 11:23:51AM +0300, Konstantin Osipov wrote:
> > + for k,v in pairs(map_direct_symbols) do
> > + if k == ... then
> > + return v .. output_eos["lua"]
> > + end
> > + end
>
> Please do not concatenate strings in a loop in Lua: it is O(n^2)
> of the total length, since there is a resize/realloc on each
> concatenation.
The cycle breaks once it matches, note the "return" statement here.
Or you meant something else?
next prev parent reply other threads:[~2019-09-04 11:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-30 21:48 [tarantool-patches] [PATCH v2 0/5] box/console: Improve lua mode for remote console Cyrill Gorcunov
2019-08-30 21:48 ` [tarantool-patches] [PATCH 1/5] box/console: Add mapping for direct symbols Cyrill Gorcunov
[not found] ` <20190903082351.GB9438@atlas>
2019-09-03 8:26 ` Cyrill Gorcunov [this message]
[not found] ` <20190903082446.GC9438@atlas>
2019-09-03 8:28 ` [tarantool-patches] " Cyrill Gorcunov
2019-08-30 21:48 ` [tarantool-patches] [PATCH 2/5] box/console: Add explicit output EOS mapping Cyrill Gorcunov
[not found] ` <20190903082725.GD9438@atlas>
2019-09-03 8:32 ` [tarantool-patches] " Cyrill Gorcunov
2019-08-30 21:48 ` [tarantool-patches] [PATCH 3/5] box/console: Refactor command handling Cyrill Gorcunov
2019-08-30 21:48 ` [tarantool-patches] [PATCH 4/5] box/console: Fix hang in remote console lua mode Cyrill Gorcunov
[not found] ` <20190903190002.GC15611@atlas>
2019-09-03 19:18 ` [tarantool-patches] " Cyrill Gorcunov
[not found] ` <20190904064657.GD30636@atlas>
2019-09-04 7:12 ` Cyrill Gorcunov
2019-08-30 21:48 ` [tarantool-patches] [PATCH 5/5] box/console: Provide console.eos() api Cyrill Gorcunov
[not found] ` <20190903190057.GD15611@atlas>
2019-09-03 19:19 ` [tarantool-patches] " Cyrill Gorcunov
[not found] ` <20190904064725.GE30636@atlas>
2019-09-04 7:12 ` Cyrill Gorcunov
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