Re: [PATCH] Add SIGCHLD catch to psql

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От Robert Haas
Тема Re: [PATCH] Add SIGCHLD catch to psql
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Msg-id AANLkTimOoIzT01kv_N3cmwhKofu06xIvMBl1Xg0Zm4ZZ@mail.gmail.com
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Ответ на Re: [PATCH] Add SIGCHLD catch to psql  (David Fetter <david@fetter.org>)
Ответы Re: [PATCH] Add SIGCHLD catch to psql  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Sat, May 15, 2010 at 7:46 PM, David Fetter <david@fetter.org> wrote:
>> >   Anyway, this makes FETCH_COUNT alot more useful, and, in my view, the
>> >   current behaviour of completely ignoring $PAGER exiting is a bug.
>>
>> Plesae add this to the next commit-fest:
>>
>>       https://commitfest.postgresql.org/action/commitfest_view/inprogress
>>
>> Thanks.
>
> Wouldn't this count as a bug fix?

Possibly, but changes to signal handlers are pretty global and can
sometimes have surprising side effects.  I'm all in favor of someone
reviewing the patch - any volunteers?  One case to test might be
reading input from a file that contains \! escapes.  More generally,
we need to consider every way that psql can get SIGCHLD and think
about whether this is the right behavior.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company


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