On Sat, Nov 14, 2009 at 6:36 PM, Tom Lane t...@sss.pgh.pa.us 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,
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 enum 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 looking at
Bruce Momjian wrote:
Bruce Momjian wrote:
Tom Lane wrote:
Bruce Momjian br...@momjian.us 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 no need
On Wednesday 25 November 2009 17:25:43 Tom Lane wrote:
Simon Riggs si...@2ndquadrant.com 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
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
confuses
