From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
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To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Idea: quicker abort after loss of client connection |
Date: | 2001-06-11 03:20:15 |
Message-ID: | 200106110320.f5B3KFG25108@candle.pha.pa.us |
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Lists: | pgsql-hackers |
> It occurs to me that a fairly safe way to abort after loss of connection
> would be for pq_flush or pq_recvbuf to set QueryCancel when they detect
> a communications problem. This would not immediately abort the query in
> progress, but would ensure a cancel at the next safe time in the
> per-tuple loop. You wouldn't get very much more output before that
> happened, typically.
>
> Thoughts? Is there anything about this that might be unsafe? Should
> QueryCancel be set after *any* failure of recv() or send(), or only
> if certain errno codes are detected (and if so, which ones)?
Seems like a good idea to set Cancel.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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