Re: psql - add SHOW_ALL_RESULTS option

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Michael Paquier <michael(at)paquier(dot)xyz>
Cc: Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, Julien Rouhaud <rjuju123(at)gmail(dot)com>, "shiy(dot)fnst(at)fujitsu(dot)com" <shiy(dot)fnst(at)fujitsu(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: psql - add SHOW_ALL_RESULTS option
Date: 2021-04-12 03:44:26
Message-ID: 2741198.1618199066@sss.pgh.pa.us
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Michael Paquier <michael(at)paquier(dot)xyz> writes:
> On Fri, Apr 09, 2021 at 08:52:20AM +0200, Fabien COELHO wrote:
>> There is not a single test of "ctrl-c" which would have caught this trivial
>> and irritating regression. ISTM that a TAP test is doable. Should one be
>> added?

> If you can design something reliable, I would welcome that.

+1, there's a lot of moving parts there.

I think avoiding any timing issues wouldn't be hard; the
query-to-be-interrupted could be "select pg_sleep(1000)" or so.
What's less clear is whether we can trigger the control-C
response reliably across platforms.

regards, tom lane

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