Re: Terminate query on page exit - Mailing list pgsql-general

From Jeff Janes
Subject Re: Terminate query on page exit
Date
Msg-id CAMkU=1z-FgOay0QVF+3HZ3V3_iqpNYV6uTJtcJTdessvMhqwMQ@mail.gmail.com
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In response to Re: Terminate query on page exit  (Pavel Stehule <pavel.stehule@gmail.com>)
Responses Re: Terminate query on page exit  (Pavel Stehule <pavel.stehule@gmail.com>)
List pgsql-general
On Tue, Feb 19, 2013 at 4:38 AM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
> 2013/2/19 patrick keshishian <pkeshish@gmail.com>:
>> On Tuesday, February 19, 2013, Albe Laurenz wrote:
>>>
>>>
>>> One crude method would be to set statement_timeout to a nonzero
>>> value - then queries that take longer than that many seconds
>>> will be canceled.
>>
>>
>> you don't truly mean to advise that, do you? :)
>
> it is not bad advice - usually all long queries should be cancelled by
> timeout - and timeout is the most simple and sometimes good enough
> solution. You can set timeout just for account used for login from web
> application

It would be nice if a long running query could occasionally check to
see if it still has somewhere to send the results it is computing.
Rather than running for hours only to give a "could not send data to
client: Broken pipe" as soon as the first row becomes available.
client_alive_timeout?

Cheers,

Jeff

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