Hi,
we run postgresql-8.1 on a dedicated debian box 64bit, dual-core CPU, 8GB RAM,
RAID-1.
We select our primary keys with select nextval before we actually insert a
record. In my logs i print every statement which takes longer than 250ms
there are lots of values fetched each day with
[EMAIL PROTECTED] wrote:
Unfortunatly i can not tell at which time this happens as the log doesn't
show the time of day.
Start with your postgresql.conf -
http://www.postgresql.org/docs/8.2/interactive/runtime-config-logging.html
points of interest :-
log_min_messages - debug1 to get
I think we finally found the problem. Please see if things are more
stable with 8.3RC1 plus this patch:
http://archives.postgresql.org/pgsql-committers/2008-01/msg00190.php
Sorry for being so late. I'm currently using PostgreSQL RC2 at work
and I notice no crashes.
Thanks!
--
Lawrence,
Hello
try
SELECT DISTINCT col FROM table
Pavel
On 27/01/2008, Phil Rhoades [EMAIL PROTECTED] wrote:
People,
I want to select from a table ONLY unique records ie if a column has
values:
1
2
3
3
4
5
I want ONLY these records returned:
1
2
4
5
Thanks,
Phil.
--
Philip
People,
I want to select from a table ONLY unique records ie if a column has
values:
1
2
3
3
4
5
I want ONLY these records returned:
1
2
4
5
Thanks,
Phil.
--
Philip Rhoades
Pricom Pty Limited (ACN 003 252 275 ABN 91 003 252 275)
GPO Box 3411
Sydney NSW 2001
Australia
Fax:
Phil Rhoades wrote:
People,
I want to select from a table ONLY unique records ie if a column has
values:
1
2
3
3
4
5
I want ONLY these records returned:
1
2
4
5
SELECT count(*) as cnt,a,b,c FORM yourtable
GROUP BY a,b,c
HAVING cnt=1
should do.
Regards
Tino
Pavel,
You didn't read my note properly - your query gives:
1
2
3
4
5
I want:
1
2
4
5
Phil.
On Sun, 2008-01-27 at 15:10 +0100, Pavel Stehule wrote:
Hello
try
SELECT DISTINCT col FROM table
Pavel
On 27/01/2008, Phil Rhoades [EMAIL PROTECTED] wrote:
People,
I want to select
Tino,
On Sun, 2008-01-27 at 15:16 +0100, Tino Wildenhain wrote:
Phil Rhoades wrote:
People,
I want to select from a table ONLY unique records ie if a column has
values:
1
2
3
3
4
5
I want ONLY these records returned:
1
2
4
5
SELECT count(*) as
On 27/01/2008, Phil Rhoades [EMAIL PROTECTED] wrote:
Tino,
On Sun, 2008-01-27 at 15:16 +0100, Tino Wildenhain wrote:
Phil Rhoades wrote:
People,
I want to select from a table ONLY unique records ie if a column has
values:
1
2
3
3
4
5
I want ONLY these
Guys,
On Sun, 2008-01-27 at 17:38 +0100, Pavel Stehule wrote:
On 27/01/2008, Phil Rhoades [EMAIL PROTECTED] wrote:
Tino,
On Sun, 2008-01-27 at 15:16 +0100, Tino Wildenhain wrote:
Phil Rhoades wrote:
People,
I want to select from a table ONLY unique records ie if a column
On Mon, Jan 28, 2008 at 03:32:18AM +1100, Phil Rhoades wrote:
SELECT count(*) as cnt, name FRoM tst GROUP BY name HAVING cnt = 1 ;
ERROR: column cnt does not exist
LINE 1: ...ount(*) as cnt, name FRoM tst GROUP BY name HAVING cnt = 1 ;
having count(*) = 1;
depesz
--
quicksil1er: postgres
[EMAIL PROTECTED] writes:
we run postgresql-8.1 on a dedicated debian box 64bit, dual-core CPU, 8GB
RAM,
RAID-1.
8.1.what?
LOG: duration: 12636.746 ms statement: EXECUTE unnamed [PREPARE: select
nextval ('member_id_seq')]
That's just bizarre, especially if your system isn't showing
People,
select count(*) as cnt, name from tst group by name having count(*) = 1
This worked for my basic example but not for my actual problem - I get
column comment must appear in the GROUP BY clause or be used in an
aggregate function errors so I have a related question:
With table:
name
Hi Phil,
Each of columns that you specify in your SELECT clause, must also
appear in the GROPU BY clause.
SELECT COUNT(*) AS cnt, name, comment, ...
FROM tst
GROUP BY name, comment, ...
HAVING COUNT(*) = 1;
Phil Rhoades wrote:
People,
select count(*) as cnt, name from tst group by
On Sunday 27 January 2008 10:56:18 am Mike Ginsburg wrote:
Hi Phil,
Each of columns that you specify in your SELECT clause, must also
appear in the GROPU BY clause.
SELECT COUNT(*) AS cnt, name, comment, ...
FROM tst
GROUP BY name, comment, ...
HAVING COUNT(*) = 1;
Is the requirement of
johnf [EMAIL PROTECTED] writes:
On Sunday 27 January 2008 10:56:18 am Mike Ginsburg wrote:
Each of columns that you specify in your SELECT clause, must also
appear in the GROPU BY clause.
Is the requirement of select fields matching group by fields a SQL92
requirement or something to due to
Mike,
I can't do that with my comments - I get all six of the records in the
result with the example instead of just four like I want . . but someone
else had a solution without using the group by clause . .
Phil.
On Sun, 2008-01-27 at 13:56 -0500, Mike Ginsburg wrote:
Hi Phil,
Each of
Am Sonntag 27 Januar 2008 18:56:49 schrieb Tom Lane:
[EMAIL PROTECTED] writes:
we run postgresql-8.1 on a dedicated debian box 64bit, dual-core CPU, 8GB
RAM, RAID-1.
8.1.what?
8.1.11-0etch1
LOG: duration: 12636.746 ms statement: EXECUTE unnamed [PREPARE:
select nextval
[EMAIL PROTECTED] writes:
ok, at the moment i got some traffic and my load is at 1.5. But now with
logging the timestamp I have seen that the long durations are quite regular
at intervals of 10 minutes.
Well, that's pretty suggestive. Tell us about your checkpoint and
bgwriter settings.
On Sun, 27 Jan 2008, [EMAIL PROTECTED] wrote:
ok, at the moment i got some traffic and my load is at 1.5. But now with
logging the timestamp I have seen that the long durations are quite regular
at intervals of 10 minutes.
Sure sounds like checkpoints. You should turn on the checkpoint
On Jan 25, 2008 12:02 AM, brian [EMAIL PROTECTED] wrote:
The client for a web application I'm working on wants certain URLs to
contain the full names of members (SEO-friendly links). Scripts would
search on, say, a member directory entry based on the name of the
member, rather than the row ID.
On Fri, 2008-01-18 at 14:57 -0500, Chris Browne wrote:
[EMAIL PROTECTED] (Ow Mun Heng) writes:
Just wondering if my 'Perceived' feeling that since implementing slony
for master/slave replication of select tables, my master database
performance is getting slower.
I'm constantly seeing a
On Jan 25, 2008 2:41 PM, Scott Marlowe [EMAIL PROTECTED] wrote:
On Jan 25, 2008 1:34 PM, Geoffrey [EMAIL PROTECTED] wrote:
It seems that I recall there is a way to display the actual select
statement that is executed when you execute the \d command.
psql --help says:
-E
Dear All,I am currently using PostgreSQL database version 8.0.13. My problem relates to a slow result when a query using a defined view joins to another table for a result.Background: I have 7 tables of invoice transactions. The tables are slightly different in that they record different data
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