Re: BUG #15076: postmaster crashes unexpectedly when using up arrow key in psql command

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: 趙明春 <mzhao(at)insight-tec(dot)co(dot)jp>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, "pgsql-bugs(at)lists(dot)postgresql(dot)org" <pgsql-bugs(at)lists(dot)postgresql(dot)org>
Subject: Re: BUG #15076: postmaster crashes unexpectedly when using up arrow key in psql command
Date: 2018-02-22 07:57:54
Message-ID: 20180222075754.GD3370@paquier.xyz
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On Thu, Feb 22, 2018 at 03:57:53PM +0900, 趙明春 wrote:
> You mean that the up-arrow key operation in psql.exe may send a SIGINT(or
> SIGTERM) signal to server(postmaster) unexpectedly?

No. What Tom means here is that you are likely mistaking what you think
is a server crash by a client crash, and that the version of libreadline
your psql version is linked to is buggy and unable to handle that
properly. psql has no control on the server itself.
--
Michael

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