The JDBC driver's regression test suite has revealed a change in behavior
introduced by the hot standy patch. Previously when a client sent a
cancel request on an idle connection, nothing happened. Now it sends an
error message "ERROR: canceling statement due to user request". This
confuse
On Wednesday 25 November 2009 17:25:43 Tom Lane wrote:
> Simon Riggs writes:
> > An idle-in-transaction transaction can also hold a temporary file. Think
> > of an open cursor, for example. Therefore, remove the distinction
> > between CONFLICT_MODE_ERROR and CONFLICT_MODE_ERROR_IF_NOT_IDLE,
> > i
Bruce Momjian wrote:
> Bruce Momjian wrote:
> > Tom Lane wrote:
> > > Bruce Momjian writes:
> > > > Tom Lane wrote:
> > > >> The reason I don't want to do it that way is that then you need two
> > > >> ugly kluges in the backend, not just one. With the zero-and-add-one
> > > >> approach there is
On Wednesday 23 December 2009 02:23:55 Jan Urbański wrote:
> Hi,
>
> I've been playing with using a Simulated Annealing-type algorithm for
> determinig join ordering for relations.
Very cool.
> Lastly, I'm lacking good testcases or even a testing approach: I'm
> generating silly queries and looki
Bruce Momjian wrote:
> Bruce Momjian wrote:
> > > Well, we might eventually allow addition of values to enums too; the
> > > fact that it's not implemented outside pg_migrator right now doesn't
> > > mean we won't ever think of a solution. In any case I'm not persuaded
> > > that a zero-element en
On Sat, Nov 14, 2009 at 6:36 PM, Tom Lane wrote:
> There's an example in parse_oper.c of a specialized cache that's about
> as complicated as this would be.
I was just taking a look at find_oper_cache_entry() and noticed
something odd. When we discover that OprCacheHash == NULL, we make
sure tha
