From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> |
Cc: | Gaetano Mendola <mendola(at)bigfoot(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: NT + deadlock intended behaviour ? |
Date: | 2004-07-18 05:16:17 |
Message-ID: | 27606.1090127777@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Alvaro Herrera <alvherre(at)dcc(dot)uchile(dot)cl> writes:
> First of all, let me point that the behavior on deadlock has been agreed
> to change. Instead of only aborting the innermost transaction, it will
> abort the whole transaction tree.
Who agreed to that? Your example is entirely unconvincing --- deadlock
is very far from being the only failure that will recur indefinitely,
if an app writer is so foolish as to code an indefinite retry loop.
Any simple illegal-data-value error will act the same.
I do not think declaring by fiat that certain types of errors abort the
whole tree is acceptable from the user end or reasonable from the
implementation end.
regards, tom lane
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