Re: [GENERAL] pg_dump seg fault on sequences

2007-04-14 Thread Michael Fuhr
On Sat, Apr 14, 2007 at 06:26:22PM -0400, Tom Lane wrote: > "Michael Nolan" <[EMAIL PROTECTED]> writes: > > I've narrowed down the conditions under which pg_dump in 8.2.3 is creating a > > segmentation fault. > > It appears to happen only when dumping a sequence that is created for a > > serial dat

Re: [GENERAL] Evaluate only one CASE WHEN in a select

2007-04-14 Thread Guy Rouillier
dcrespo wrote: SELECT CASE WHEN is_odd(t.number) THEN 'Update' ELSE 'Insert' END AS action, CASE WHEN is_odd(t.number) THEN t.number ELSE NULL END AS number, FROM ... ; As you can see, is_odd function (only a function example) is being run twice with exactly the same parameters to put a

Re: [GENERAL] pg_dump seg fault on sequences

2007-04-14 Thread Tom Lane
"Michael Nolan" <[EMAIL PROTECTED]> writes: > I've narrowed down the conditions under which pg_dump in 8.2.3 is creating a > segmentation fault. > It appears to happen only when dumping a sequence that is created for a > serial data element. Thanks for the test case --- I can reproduce this now on

Re: [GENERAL] error creating/setting sequence, pg_dump / pg_restore 8.1.5

2007-04-14 Thread Tom Lane
"Mason Hale" <[EMAIL PROTECTED]> writes: > On 4/14/07, Tom Lane <[EMAIL PROTECTED]> wrote: >> The methodology that pre-8.2 pg_dump uses for serial columns is >> vulnerable to quite a number of problems if serial sequences don't have >> the expected names, and this seems to be another one. > I assu

Re: [GENERAL] Help setting up warm standby replication

2007-04-14 Thread Tom Lane
Nico Sabbi <[EMAIL PROTECTED]> writes: > To begin with I followed the example of the docs: in the recovery.conf > file of the > slave instance I set > restore_command = 'cp -av /var/lib/pgsql/data/pg_xlog/%f %p' Hm, it looks like you are trying to copy xlog segments straight from the pg_xlog d

Re: [GENERAL] postgresql 8.1.4 to 8.2.3

2007-04-14 Thread Anton Melser
On 14/04/07, Alain Roger <[EMAIL PROTECTED]> wrote: After clicking on your link i got "invalid project" page :-( and the whole page is empty... Ouch Alain... Try http://pgfoundry.org/projects/pg-migrator/ :-) But ask a single postgres oldskool cat (which I am patently not!) and you will get exa

[GENERAL] median query causes disk to fill up

2007-04-14 Thread [EMAIL PROTECTED]
Hi, I'm trying to run a query to find the median value, organized by date. However, when I run the query, it runs for about 4 hours, and then quits with the following message: > ERROR: could not write block 10447102 of temporary file: No space left on > device > HINT: Perhaps out of disk spac

[GENERAL] Help setting up warm standby replication

2007-04-14 Thread Nico Sabbi
Hi, after having read the documentation and the few posts in this list I tried to set up a warm standby replication between two instances of postgres running on my pc in 2 different base directories and 2 different ports. (The second one was a cp -a of the first one after having created a bac

[GENERAL] display cursor contents

2007-04-14 Thread Steve P Shiflett
I wish to display the output of a cursor but haven't discovered the trick. Here's what I'm doing: -- The function CREATE OR REPLACE FUNCTION tmp.sps(character varying, date) RETURNS refcursor AS $BODY$ DECLARE ref refcursor; BEGIN OPEN ref FOR select * from tmp.sps_measurement where

Re: [GENERAL] median query causes disk to fill up

2007-04-14 Thread [EMAIL PROTECTED]
Sorry, I forgot to also mention that I am running this on a machine with 80GB free disk space, and 1GB RAM (but I wouldn't think that this would be the problem, would it?) --Richard On Apr 13, 9:25 am, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > Hi, > > I'm trying to run a query to find th

[GENERAL] Display Cursor Content - Help!

2007-04-14 Thread steve shiflett
I wish to display the content of a cursor but haven't discovered the trick. Here's what I'm doing: -The function CREATE OR REPLACE FUNCTION tmp.sps(character varying, date) RETURNS refcursor AS $BODY$ DECLARE ref refcursor; BEGIN

Re: [GENERAL] postgresql 8.1.4 to 8.2.3

2007-04-14 Thread Alain Roger
After clicking on your link i got "invalid project" page :-( and the whole page is empty... On 4/14/07, Erik Jones <[EMAIL PROTECTED]> wrote: On Apr 14, 2007, at 11:38 AM, Alain Roger wrote: > thanks for the info. > anyway i was thinking to do that, but i wanted to be sure. > > On 4/14/07, An

[GENERAL] phppgadmin and dump

2007-04-14 Thread Alain Roger
Hi, I did a copy export from my web hosted database. I did an export in COPY and SQL mode for 1.data and 2.structure only When i try to import the data, phppgadmin raises an error : "No server supplied!" what could be the reason ? I was thinking about those picture i have in DB like '\\37\\

Re: [GENERAL] postgresql 8.1.4 to 8.2.3

2007-04-14 Thread Erik Jones
On Apr 14, 2007, at 11:38 AM, Alain Roger wrote: thanks for the info. anyway i was thinking to do that, but i wanted to be sure. On 4/14/07, Anton Melser < [EMAIL PROTECTED]> wrote:On 14/04/07, Alain Roger < [EMAIL PROTECTED]> wrote: > Hi, > > My web host upgrade his postgreSQL version to 8

[GENERAL] pg_dump seg fault on sequences

2007-04-14 Thread Michael Nolan
I've narrowed down the conditions under which pg_dump in 8.2.3 is creating a segmentation fault. It appears to happen only when dumping a sequence that is created for a serial data element. uscf=> create table public.seqtest uscf-> (field1 text, uscf(> field2 serial); create table public.seqtes

Re: [GENERAL] error creating/setting sequence, pg_dump / pg_restore 8.1.5

2007-04-14 Thread Mason Hale
On 4/14/07, Tom Lane <[EMAIL PROTECTED]> wrote: Hmm ... which sequence is entry.id actually referring to on the source database? I suspect that it is linked to some differently-named sequence like "entry_id_seq1" and the source's "entry_id_seq" is not in truth doing anything (and, in particular

Re: [GENERAL] indexing array columns

2007-04-14 Thread Tom Lane
Rajarshi Guha <[EMAIL PROTECTED]> writes: > select A from theTable where sim(B, C) > 0.8 > I realize that my table is essentially a collection of 12-dimensional > points and that I could replace my similarity function with a distance > function. > Thus my query boils down to asking 'find me rows

Re: [GENERAL] postgresql 8.1.4 to 8.2.3

2007-04-14 Thread Alain Roger
thanks for the info. anyway i was thinking to do that, but i wanted to be sure. On 4/14/07, Anton Melser <[EMAIL PROTECTED]> wrote: On 14/04/07, Alain Roger <[EMAIL PROTECTED]> wrote: > Hi, > > My web host upgrade his postgreSQL version to 8.2.3 so i would like to do > the same on my local comp

Re: [GENERAL] question

2007-04-14 Thread Anton Melser
On 13/04/07, Andrej Ricnik-Bay <[EMAIL PROTECTED]> wrote: On 4/13/07, Terry Martin <[EMAIL PROTECTED]> wrote: > I would like to know if I there is a utility to take a UDP packet which > has specific information in the payload and extract the information > from the packet and place it in the Postg

Re: [GENERAL] recommendations for reducing mem usage on local dev machine

2007-04-14 Thread Anton Melser
It's fairly likely that that report is misleading: most Unix versions of "top" report Postgres' shared memory as belonging to *each* backend, and I'll bet taskmanager is doing the same thing. You could reduce shared memory usage (cut shared_buffers in particular), which might make the reported us

Re: [GENERAL] indexing array columns

2007-04-14 Thread Martijn van Oosterhout
On Fri, Apr 13, 2007 at 06:09:50PM -0400, Rajarshi Guha wrote: > Hi, I have a table of about 10M rows. It has two columns A and B, where > A is a text field and B is a real[12] field. > > Now when this table is queried it is usually of the form: > > select A from theTable where sim(B, C) > 0.8

Re: [GENERAL] error creating/setting sequence, pg_dump / pg_restore 8.1.5

2007-04-14 Thread Tom Lane
"Mason Hale" <[EMAIL PROTECTED]> writes: > After running pg_dump to backup my database, and then running pg_restore to > load the db (on a different server), > I run into a problem with creating a sequence. Hmm ... which sequence is entry.id actually referring to on the source database? I suspect

[GENERAL] postgresql 8.1.4 to 8.2.3

2007-04-14 Thread Alain Roger
Hi, My web host upgrade his postgreSQL version to 8.2.3 so i would like to do the same on my local computer where i develop. Is there something particular to do ? or can I just run the exe file (on windows) without doing a complete backup (pgdump) before ? thanks a lot, -- Alain ---

Re: [GENERAL] recommendations for reducing mem usage on local dev machine

2007-04-14 Thread Tom Lane
"Anton Melser" <[EMAIL PROTECTED]> writes: > I am stuck for the moment with 1gig of ram on a win xp machine running > a 8.2.3 postgres. With the java website taking 300meg, eclipse taking > 250meg+, firefox 150meg+, all of which are going to be nasty to reduce > the mem usage of, I am looking at re

Re: [GENERAL] recommendations for reducing mem usage on local dev machine

2007-04-14 Thread Anton Melser
On 14/04/07, Roman Neuhauser <[EMAIL PROTECTED]> wrote: # [EMAIL PROTECTED] / 2007-04-14 13:27:33 +0200: > Hi, > I am stuck for the moment with 1gig of ram on a win xp machine running > a 8.2.3 postgres. With the java website taking 300meg, how is it going to scale? It's not! The site is alrea

Re: [GENERAL] recommendations for reducing mem usage on local dev machine

2007-04-14 Thread Roman Neuhauser
# [EMAIL PROTECTED] / 2007-04-14 13:27:33 +0200: > Hi, > I am stuck for the moment with 1gig of ram on a win xp machine running > a 8.2.3 postgres. With the java website taking 300meg, how is it going to scale? -- How many Vietnam vets does it take to screw in a light bulb? You don't know, man.

[GENERAL] recommendations for reducing mem usage on local dev machine

2007-04-14 Thread Anton Melser
Hi, I am stuck for the moment with 1gig of ram on a win xp machine running a 8.2.3 postgres. With the java website taking 300meg, eclipse taking 250meg+, firefox 150meg+, all of which are going to be nasty to reduce the mem usage of, I am looking at reducing postgres usage (the java website runs o