On Monday 15 February 2010 09:50:08 Simon Riggs wrote:
> On Sat, 2010-02-13 at 22:37 +0100, Andres Freund wrote:
> > The first patch adds the capability to add a flag to ereport like:
> > ereport(ERROR | LOG_NO_CLIENT)
> > Tom earlier suggested using COMERROR but thats just a version of LOG
> > which doesnt report to the client. The patch makes that to be a
> > synonym of LOG | LOG_NO_CLIENT.
> > While its not the most pretty API I dont think its that bad because
> > the directionality is somewhat a property of the loglevel. Beside it
> > would generate a lot of useless noise and breakage.
> > The second patch changes the FATAL during cancelling an idle in txn
> > query into ERROR | LOG_NO_CLIENT.
> > To avoid breaking the known state there also may no "ready for query"
> > message get sent. The patch ensures that by setting and checking a
> > "silent_error_while_idle" variable.
> > That way the client will not see that an error occured until the next
> > command sent but I dont think there is a solution to that in 9.0
> > timeframe if at all.
> > The patch only adds that for the recovery conflict path for now.
> > What do you think? Is it worth applying something like that now? If
> > yes I would try to test the patch some more (obviously the patch
> > survives the regression tests, but they do not seem to check the
> > extended query protocol at all).
> I think that is much better than FATAL. If it works I think we should
> apply it for this release.
It does work for me at least ;-). I only have marginal testing with the
extended query protocol though and I think the error message needs to get
I plan to make testing the extended query protocol easier by making pgbench
able to restart after a such an error (thats why I like the seperate error
code for such cancellations...)
The problem with the error message is, that errdetail_abort() uses MyProc-
>recoveryConflictPending which is already unset when the errdetail is used.
Unless you beat me I plan to provide a patch here (havent looked at how to do
so yet though).
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