From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
Cc: | "mzhao(at)insight-tec(dot)co(dot)jp" <mzhao(at)insight-tec(dot)co(dot)jp>, "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 04:06:49 |
Message-ID: | 18417.1519272409@sss.pgh.pa.us |
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Lists: | pgsql-bugs |
"David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
>> The following bug has been logged on the website:
>> (4) press up arrow key to try to execute the previous SQL of the step(2)
>> again
>> (5) Occasionally, it will show you nothing about the SQL, then you can try
>> to input a character ';' and press Enter key, the PostgreSQL will crash
>> unexpectedly
> It would help to explain what you actually see in step 5 instead of just
> saying crash. In particular is the "failure" in the server or client?
I'd lay long odds that what's being described is a psql crash not a
server crash, and furthermore that the problem is in libreadline
(which is what would be handling up-arrow response). We've heard
reports before of flaky readline behavior on Windows. I failed to
find an exact match to this report in a moment's worth of trawling
the archives, though I did find for instance
https://www.postgresql.org/message-id/flat/6a2534f3-4359-617d-d314-17174454eb6d%40orange.fr
I think the questions to ask are around where did this copy of
psql.exe come from, and what version of readline is included in
it, and whether that's up-to-date.
regards, tom lane
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