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Re: Getting results after networking error

From: jtv(at)xs4all(dot)nl
To: "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: jtv(at)xs4all(dot)nl, pgsql-interfaces(at)postgresql(dot)org
Subject: Re: Getting results after networking error
Date: 2005-08-10 03:51:48
Message-ID: 17553. (view raw, whole thread or download thread mbox)
Lists: pgsql-interfaces
Tom Lane wrote:

> I think that a reasonable API for this "if PQstatus(conn) is
> CONNECTION_BAD then you had a networking problem".  I am not at all sure
> how well libpq honors that definition currently ... but feel free to
> send patches ;-)

As I posted in July,

the current situation is that libpq goes out of its way to maintain
CONNECTION_OK in these cases.  I'd still like to see the fix I outlined
there, which is to treat socket errors as fatal by default (apart from the
special cases for EAGAIN, EINTR and friends that are already there, of

I'm attaching a patch; something similar may be called for in pqSendSome()
as well.  A next step would be to factor the code duplication out of the
function, eliminating the redundant error message in the process.


Attachment: fe-misc.patch
Description: text/x-patch (645 bytes)

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