Re: [HACKERS] statement logging / extended query protocol issues

2005-09-25 Thread Oliver Jowett
Bruce Momjian wrote: > Simon's page is in the patches queue. What would you like changed, > exactly? I'm not going to have time to comment on this any time soon, sorry :( .. I guess I will try to look at it for 8.2. -O ---(end of broadcast)--- TI

[HACKERS] Questions about proper newline handling in psql output

2005-09-25 Thread Martijn van Oosterhout
Hi, I basically have a functional version for aligned output, examples at the bottom of this email. It handles multiline data values and multiline headers. However, there are some areas where I could use some input. 1. To be able to control the spacing, psql now has to be very careful about its o

Re: [HACKERS] [PERFORM] Releasing memory during External sorting?

2005-09-25 Thread Simon Riggs
On Fri, 2005-09-23 at 12:48 -0400, Ron Peacetree wrote: > > I have some indications from private tests that very high memory settings > >may actually hinder performance of the sorts, though I cannot explain that > >and wonder whether it is the performance tests themselves that have issues. > > > H

Re: [HACKERS] Releasing memory during External sorting?

2005-09-25 Thread Simon Riggs
On Fri, 2005-09-23 at 11:31 -0400, Tom Lane wrote: > Simon Riggs <[EMAIL PROTECTED]> writes: > > Since we know the predicted size of the sort set prior to starting the > > sort node, could we not use that information to allocate memory > > appropriately? i.e. if sort size is predicted to be more th

[HACKERS] roundoff problem in time datatype

2005-09-25 Thread Tom Lane
Inserting into a time field with limited precision rounds off, which is good except for this case: regression=# select '23:59:59.9'::time(0); time -- 24:00:00 (1 row) This is bad because: regression=# select '24:00:00'::time(0); ERROR: date/time field value out of range: "24:00:0

Re: [HACKERS] Vacuum questions...

2005-09-25 Thread Tom Lane
Hannu Krosing <[EMAIL PROTECTED]> writes: > Perhaps VACUUM could send some statistics after each N pages and this > would then be available through something similar to pg_statistics > table. Why not just have it send some text to be displayed in the "current command" field of pg_stat_activity? T

Re: [HACKERS] Vacuum questions...

2005-09-25 Thread Joshua D. Drake
Hannu Krosing wrote: On L, 2005-09-24 at 20:25 -0700, Joshua D. Drake wrote: Actually this also probably would not gain you much in 8.1 as vacuum in theory is already dealing with itself. Interesting. Could you explain it in a more detailed way ? How does vacuum "deal with itself" in

Re: [HACKERS] stack depth limit exceeded problem.

2005-09-25 Thread Thomas Hallgren
Martijn van Oosterhout wrote: I rely on the signal handler that the JVM uses for page-faults (which a stack overflow generally amounts to) and fpe exeptions so I know that they will generate java exceptions in a controlled way (which I in turn translate to elog(ERROR) on the main thread).

Re: [HACKERS] \x output blowing up

2005-09-25 Thread Martijn van Oosterhout
On Sat, Sep 24, 2005 at 07:18:16PM -0400, Bruce Momjian wrote: > > Well, it seems we are going to have to fix it somehow for 8.1. It is > not crashing here so I can't work up a patch. Can you submit a minimal > fix for 8.1? Thanks. Ah, it would only happen if your encoding was UTF-8 since that

Re: [HACKERS] \d on database with a lot of tables is slow

2005-09-25 Thread Hannu Krosing
On L, 2005-09-24 at 18:59 -0500, Jim C. Nasby wrote: > I have a client with a database that contains 4000 relations according > to vacuum verbose, and \d in psql is painfully slow. In particular... > >-> Seq Scan on pg_class c (cost=0.00..2343.09 rows=6124 width=73) > (actual time=0.325..22

Re: [HACKERS] Discarding relations from FSM

2005-09-25 Thread Hannu Krosing
On L, 2005-09-24 at 19:32 -0500, Jim C. Nasby wrote: > On Sat, Sep 24, 2005 at 07:21:19PM -0400, Tom Lane wrote: > > > Of course maybe a better question is why we even limit based on the > > > number of relations... > > > > Shared memory is fixed-size. > > True, but can't the fixed memory require

Re: [HACKERS] Vacuum questions...

2005-09-25 Thread Hannu Krosing
On L, 2005-09-24 at 20:25 -0700, Joshua D. Drake wrote: > Actually this also probably would not gain you much in 8.1 > as vacuum in theory is already dealing with itself. Interesting. Could you explain it in a more detailed way ? How does vacuum "deal with itself" in 8.1 ? > >Also, would it be p