Greg Stark <[EMAIL PROTECTED]> writes:
> Tom Lane <[EMAIL PROTECTED]> writes:
>> For instance, here
>> http://archives.postgresql.org/pgsql-hackers/2004-03/msg00696.php are some
>> profiles documenting a case where nearly 40% of the runtime goes into
>> lappend's in 7.4. I haven't had time to repea
Tom Lane <[EMAIL PROTECTED]> writes:
> For instance, here
> http://archives.postgresql.org/pgsql-hackers/2004-03/msg00696.php are some
> profiles documenting a case where nearly 40% of the runtime goes into
> lappend's in 7.4. I haven't had time to repeat the test case but I'd think
> that time i
Neil Conway <[EMAIL PROTECTED]> writes:
>> If not, would something like a pg_bench exercise the new code enough to
>> see the results?
> Something like TPC-H would be better, I'd think.
You'd only be likely to notice a difference in queries with hundreds of
selected columns, CASE expressions wit
Jeff wrote:
Do we have any numbers as to how much this will help things?
No, I haven't done any benchmarking yet (I might do some before I
leave for the summer, but it's not a priority...)
FWIW, the performance improvement from this patch won't be as large
as it might be, since Tom already repla
On May 26, 2004, at 12:47 AM, Neil Conway wrote:
I've applied the list rewrite patch to CVS HEAD. I've also sent a copy
of the patch I applied to the -patches list.
Nifty.
Do we have any numbers as to how much this will help things?
If not, would something like a pg_bench exercise the new code eno
- anything else?
All compiles and passes regression tests on FreeBSD...
Chris
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I've applied the list rewrite patch to CVS HEAD. I've also sent a
copy of the patch I applied to the -patches list.
Notes:
- the tree compiles without warnings and passes the regression
tests. I'm not aware of any bugs, regression failures, or compiler
warnings caused by the list rewrite patch
