From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Magnus Hagander <magnus(at)hagander(dot)net> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: "unexpected EOF" messages |
Date: | 2012-05-03 17:09:48 |
Message-ID: | 27535.1336064988@sss.pgh.pa.us |
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Magnus Hagander <magnus(at)hagander(dot)net> writes:
> On Thu, May 3, 2012 at 5:39 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> I could support that with one tweak: it's only DEBUG1 if you don't
>> have an open transaction. Dropping the connection while in a
>> transaction *is* an application bug; I don't care how lazy the app
>> programmer is feeling.
> I agree - that would certainly be a good fix for this one. One
> question is do we want something like this:
> - ereport(COMMERROR,
> + ereport(IsTransactionState() ? COMMERROR : DEBUG1,
> (errcode(ERRCODE_PROTOCOL_VIOLATION),
> errmsg("unexpected EOF on client connection")));
> or do we want to make the text of the error message different as well,
> saying something like "unexpected EOF on client connection with an
> open transaction"?
I'd vote for different texts and different SQLSTATEs too, per other
discussion. (I think we'd decided that ERRCODE_PROTOCOL_VIOLATION
was a bad choice anyway.)
Also, I'm afraid that the above patch probably doesn't work as-is;
won't elog.c try to send the DEBUG1 message to the client? I think
you'll need some additional code to shut down error message output
first. Resetting whereToSendOutput is probably sufficient.
regards, tom lane
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