Am 06.04.2012 23:49, schrieb Jeff Davis:
No, i didn't found any in my postgresql dirs. Should i have a core file
around when i see a segmentation fault? What should i look for?
It's an OS setup thing, but generally a crash will generate a core file
if it is allowed to. Use ulimit -c
Thank you so much for still helping me...
Am 30.03.2012 20:24, schrieb Jeff Davis:
On Fri, 2012-03-30 at 16:02 +0200, Janning Vygen wrote:
The PANIC occurred first on March, 19. My servers uptime ist 56 days, so
about 4th of February. There was no power failure since i started to use
Hi,
thanks so much for answering. I found a segmentation fault in my logs
so please check below:
On Tue, 2012-03-27 at 11:47 +0200, Janning Vygen wrote:
I am running postgresql-9.1 from debian backport package fsync=on
full_page_writes=off
That may be unsafe (and usually is) depending
problem?
Should I still worry about it?
regards
Janning
--
Kicktipp GmbH
Venloer Straße 8, 40477 Düsseldorf
Sitz der Gesellschaft: Düsseldorf
Geschäftsführung: Janning Vygen
Handelsregister Düsseldorf: HRB 55639
http://www.kicktipp.de/
--
Sent via pgsql-general mailing list (pgsql-general
encrypted in the database. Check the pgcrypto
module.
Kiriakos
On Mar 18, 2012, at 1:00 PM, Janning Vygen wrote:
Hi,
I am working on postgresql 9.1 and loving it!
Sometimes we need a full database dump to test some performance issues with
real data.
Of course we don't like to have sensible
Am 19.03.2012 um 13:22 schrieb Bill Moran wmo...@potentialtech.com:
In response to Janning Vygen vy...@kicktipp.de:
I am working on postgresql 9.1 and loving it!
Sometimes we need a full database dump to test some performance issues
with real data.
Of course we don't like to have
. But it is
no fun when dumping and restoring takes an hour.
Does anybody has a better idea how to achieve an anonymized database dump?
regards
Janning
--
Kicktipp GmbH
Venloer Straße 8, 40477 Düsseldorf
Sitz der Gesellschaft: Düsseldorf
Geschäftsführung: Janning Vygen
Handelsregister Düsseldorf: HRB
Hi,
we have some trouble with a few cronjobs running inside a tomcat webapp.
The problem is exactly described here by David Hustace
david(at)opennms(dot)org:
but wasn't solved, it was just recognized as weired.
http://archives.postgresql.org/pgsql-jdbc/2006-01/msg00115.php
In short: we are
Hi,
postgresql 8.4 (tuned, analyzed, and so on)
we had trouble with one query executing too slow. After checking out
some alternatives we encountered that dropping a rather useless second
parameter on order by the execution time dropped dramatically.
This is our original query with 2 order
Hi folks,
I don't need this list very often because postgresql works like a charm! But
today we encountered a rather complicated puzzle for us. We really need your
help!
we are using postgresql 8.4 on a debian lenny with latest security patches
applied.
We are running a rather complicated
On Monday 20 July 2009 18:58:21 Greg Sabino Mullane wrote:
Perhaps, but I don't think you've quite overcome the 'log everything'
counter-argument.
#
Not everybody can afford a system with lots of raid arrays or dedicated logging
boxes. Many people log to the same disk. I do it in some
On Monday 20 July 2009 19:24:13 Bill Moran wrote:
It is not possible for us. Logging millions of statements take too much
time.
This is a ridiculous statement. In actual practice, full query logging
is 1/50 the amount of disk I/O as the actual database activity. If your
systems are so
On Tuesday 21 July 2009 15:49:36 Tom Lane wrote:
Janning Vygen vy...@kicktipp.de writes:
On Monday 20 July 2009 19:24:13 Bill Moran wrote:
Have you benchmarked the load it creates under your workload?
Yes, it takes up to 15% of our workload in an average use case. But we
have peak times
On Tuesday 21 July 2009 18:09:57 you wrote:
Janning Vygen vy...@kicktipp.de writes:
On Tuesday 21 July 2009 15:49:36 Tom Lane wrote:
Well, you could turn it off during the peak times.
It affords a server restart which is not a good idea.
Changing logging options does not require
hi,
http://archives.postgresql.org/pgsql-general/2009-03/msg00581.php
This was my suggestion about introducing a statment to get a sample of SQL
statements. Nobody answered yet. Why not? i think my suggestion would help a
lot. Or was it kind of stupid?
kind regards
Janning
--
Sent via
hi,
thanks for your comments on this.
On Thursday 16 July 2009 15:05:58 you wrote:
In response to Janning Vygen vy...@kicktipp.de:
hi,
http://archives.postgresql.org/pgsql-general/2009-03/msg00581.php
This was my suggestion about introducing a statment to get a sample of
SQL
On Wednesday 15 April 2009 19:21:03 you wrote:
Janning Vygen vy...@kicktipp.de writes:
Now i see that the errors occur _exactly_ every 4000 seconds (1 hour, 6
minutes and 40 seconds). I have no clue as i only have one cronjob at
night concerning postgresql. I have no autovacuum running
Hi,
i run the greatest database ever, postgresql-8.3, on debian etch
I am investigating some error messages in my log file:
Apr 15 08:04:34 postgres[20686]: [4-1] 2009-04-15 08:04:34 CEST ERROR:
invalid byte sequence for encoding UTF8: 0x81
Apr 15 08:04:34 postgres[20686]: [4-2] 2009-04-15
Hi,
Thank you for this great and ultra-fast support! One more question:
On Wednesday 15 April 2009 17:38:51 you wrote:
Janning Vygen vy...@kicktipp.de writes:
I am investigating some error messages in my log file:
Apr 15 08:04:34 postgres[20686]: [4-1] 2009-04-15 08:04:34 CEST ERROR
Hi,
we ran a large database on moderate hardware. Disks are usually the slowest
part so we do not log every statement. Sometimes we do and our IOwait and CPU
increases by 10%. too much for peak times!
it would be nice if you could say:
log_statement = sample
sample_rate = 100
you would
Hi,
we are running a large 8.3 database and had some trouble with a default
statistic target. We had set it to one special table some time ago, when we
got a problem with a growing table starting with sequence scans.
Last week we did manually cluster this table (create table as ... order by;
On Monday 16 March 2009 15:13:51 Scott Marlowe wrote:
On Mon, Mar 16, 2009 at 7:15 AM, Janning Vygen vy...@kicktipp.de wrote:
Hi,
Why does default_statistic_target defaults to 10?
I suggest to setting it to 100 by default:
Already done in 8.4
GREAT! sorry for not searching
Am Sonntag 13 Januar 2008 00:46:50 schrieb Tom Lane:
Kris Jurka [EMAIL PROTECTED] writes:
On Thu, 10 Jan 2008, [EMAIL PROTECTED] wrote:
What do you mean with longer lifespan? Doesn't the JDBC driver uses
the PREPARE Sql Statement and therefore the prepared Statement has the
same lifespan
On Saturday 11 August 2007 12:28:45 Pavel Stehule wrote:
Hello
I found strange postgresql's behave. Can somebody explain it?
Regards
Pavel Stehule
CREATE TABLE users (
id integer NOT NULL,
name VARCHAR NOT NULL,
PRIMARY KEY (id)
);
INSERT INTO users VALUES (1, 'Jozko');
INSERT
Hi
i try to populate a database. I dropped all indexes on the target table to
speed up the copy. it works fine.
After this i create the index and it took 10 hours just for one index (primary
key). I have 100.000.000 rows with one PK (int8), two integer data values,
and two FK (int8)
Are
On Saturday 14 July 2007 00:04:08 Jim Nasby wrote:
On Jul 13, 2007, at 2:11 PM, [EMAIL PROTECTED] wrote:
i tried to restore a dump from version 8.1.8 to 8.1.9 and i had in
one table
a value 1.7383389519587511e-310
i got the following error message:
pg_restore: ERROR: type double
Hi,
i don't know much about hard disks and raid controllers but often there is
some discussion about which raid controller rocks and which sucks. my hosting
company offers me a raid 10 with 4 serial-ata disks. They will use a 3ware
4-Port-RAID-Controller 9500S
More than 4 disks are not
Thanks for your fast reply.
Am Mittwoch, 12. April 2006 18:31 schrieb Merlin Moncure:
On 4/12/06, Janning Vygen [EMAIL PROTECTED] wrote:
Hi,
disk 1: OS, tablespace
disk 2: indices, WAL, Logfiles
- Does my partitioning make sense?
with raid 10 all four drives will appear as a single
Am Mittwoch, 22. März 2006 20:40 schrieb Luuk Jansen:
I have a problem with finding a way to update a database structure.
This might be a very simple problem, just cannot find the info.
I am looking at updating the structure of my database. I put an
application on my production server some
Hi,
my cron job which is dumping the databse fails this night. I got:
pg_dump: ERROR: invalid memory alloc request size 18446744073709551614
pg_dump: SQL command to dump the contents of table spieletipps failed:
PQendcopy() failed.
pg_dump: Error message from server: ERROR: invalid memory
Hi,
we are running a very popular german website[*] which has grown over the years
since 1995. We manage between 10 and 20 millions pageviews a month. We are a
small company and myself is responsible for programming, DBA, system
administration and hardware. I am a self-educated person since
Am Montag, 23. Januar 2006 17:05 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
pg_dump: ERROR: invalid memory alloc request size 18446744073709551614
pg_dump: SQL command to dump the contents of table spieletipps failed:
PQendcopy() failed.
This looks more like a corrupt-data
Am Montag, 23. Januar 2006 20:30 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
Ok, i got the reffilnode from pg_class and compiled pg_filedump. result
of ./pg_filedump -i -f -R 3397
/home/postgres8/data/base/12934120/12934361 filedump.txt is attached
OK, what's the schema
TOM! Ich will ein Kind von Dir!!
(it means 'something like': thank you so much. you just saved my life!)
Am Montag, 23. Januar 2006 21:16 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
OK, what's the schema of this table exactly?
...
Regeln:
cache_stip_delete
Am Montag, 23. Januar 2006 21:57 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
ok, shouldn't i upgrade to 8.1 instead of 8.0.6 if i can?
Up to you --- you have more risk of compatibility issues if you do that,
whereas within-branch updates are supposed to be painless. Depends
Am Dienstag, 25. Oktober 2005 19:40 schrieb David Gagnon:
Hi,
I posted on the same subject a month ago . .you can search for the
current title in the JDBC mailing list
[JDBC] implementing asynchronous notifications PLEASE CONFIRM MY
I ended using statement-level trigger. I haven't found
Am Donnerstag, 20. Oktober 2005 19:59 schrieb David Fetter:
On Thu, Oct 20, 2005 at 06:04:53PM +0200, Janning Vygen wrote:
By the way: What i really miss is a troubleshooting document in the
docs.
That's a great idea. Please post a doc patch with some of the
troubleshooting tips you
At
http://www.postgresql.org/docs/8.0/static/sql-reindex.html
it says:
Rebuild all system indexes in a particular database,
without trusting them to be valid already:
$ export PGOPTIONS=-P
$ psql broken_db
It should be:
Rebuild all system indexes in a
Am Donnerstag, 20. Oktober 2005 16:04 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
it says:
$ export PGOPTIONS=-P
$ psql broken_db
It should be:
$ export PGOPTIONS=-P
$ postgres broken_db
No, it's correct as it stands. You used to need
arises again.
kind regards,
janning
Am Mittwoch, 28. September 2005 16:07 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
I recently reported this problem and i would like to help solving it. But
how can i build a self-contained test-case? It just happens sometimes
under load.
I
again.
kind regards,
Janning Vygen
---(end of broadcast)---
TIP 1: if posting/reading through Usenet, please send an appropriate
subscribe-nomail command to [EMAIL PROTECTED] so that your
message can get through to the mailing list cleanly
Hi,
last week i asked a question about how to remove a left over pg_type from a
temp table.
http://archives.postgresql.org/pgsql-general/2005-09/msg00409.php
Tom Lane helped me managing it by reindexing pg_depends and DROPping the
pg_temp_X.temp_gc.
Now i have the same problem again but with
Janning Vygen vygen ( at ) gmx ( dot ) de writes:
Am Samstag, 10. September 2005 18:05 schrieb Tom Lane:
If there's no pg_depend entry then DROP TYPE should work. Otherwise
you might have to resort to manually DELETEing the pg_type row.
Thanks for your detailed answer. I don't want
Am Donnerstag, 15. September 2005 15:31 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
$ DROP TYPE temp_gc;
ERROR: type temp_gc does not exist
The temp schema is evidently not in your search path. You need
something like
drop type pg_temp_NNN.temp_gc;
great support
Am Samstag, 10. September 2005 18:05 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
i guess the table was dropped but not the corresponding type.
How can things like this happen?
Corrupted pg_depend table maybe? You might try REINDEXing pg_depend
to be on the safe side. Also
Hi,
i run postgresql 8.0.3 and i have a script which calls a postgresql function
to calculate a materialized View. this function creates a temp table. It does
so with EXECUTE statments to avoid the caching of plans with temporary
tables. It runs on three servers and evrything went fine for a
Am Mittwoch, 27. Juli 2005 09:47 schrieb Philippe Lang:
Thanks Tom, thanks Janning,
I found triggers very convenient to do different tasks in the database, and
these tasks go far beyond what we can do in rules, Janning.
Right. There are some things that can't be done with rules.
When a
Am Dienstag, 26. Juli 2005 23:53 schrieb Randall Perry:
Read the Rules section of the manual and the section on Rules vs Triggers.
From what I get triggers are necessary for column constraints. As far as
speed, it seems there are some differences between how fast rules/triggers
would do the
Am Dienstag, 26. Juli 2005 16:07 schrieb Philippe Lang:
Hi,
I meant: in 7.4.X databases, is there a way of disabling a trigger without
deleting it? I guess the answer is no.
That's what my plpgsql insert function does, and because of this, if a view
is running at the same moment on the same
Am Donnerstag, 21. Juli 2005 17:45 schrieb Kilian Hagemann:
Hi there,
I know this subject has come up before many times, but I'm struggling for
hours with the following problem and none of the posts seem to have a
solution. I have a table with a good 13 million entries with
station_data=#
Am Dienstag, 19. Juli 2005 15:40 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
On more related question:
I updated pg_trigger and pg_constraint and changed all my FK:
UPDATE pg_trigger
SET
tgdeferrable = true,
tginitdeferred = true
WHERE tgconstrname LIKE 'fk_
resending it because i used the wrong mail address. sorry!
Am Montag, 18. Juli 2005 18:18 schrieb Tom Lane:
Stephan Szabo [EMAIL PROTECTED] writes:
On Mon, 18 Jul 2005, Tom Lane wrote:
I don't see why.
Except that before I think the order would have looked like (for 1 row)
Originating
Am Montag, 18. Juli 2005 18:18 schrieb Tom Lane:
Stephan Szabo [EMAIL PROTECTED] writes:
On Mon, 18 Jul 2005, Tom Lane wrote:
I don't see why.
Except that before I think the order would have looked like (for 1 row)
Originating Action
Trigger A on originating table that does update
[sorry for resending again. i am not at my usual desktop at the moment and
used the wrong sender address]
Am Dienstag, 19. Juli 2005 15:40 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
On more related question:
I updated pg_trigger and pg_constraint and changed all my FK
Hi,
in the release docs it says:
Non-deferred AFTER triggers are now fired immediately after completion of
the triggering query, rather than upon finishing the current interactive
command. This makes a difference when the triggering query occurred within a
function: the trigger is invoked
Am Montag, 18. Juli 2005 16:28 schrieb Stephan Szabo:
On Mon, 18 Jul 2005, Tom Lane wrote:
Janning Vygen [EMAIL PROTECTED] writes:
I have lots of tables with mutli-column PK and multi-column FK. All FK
are cascading, so updating a PK should trigger through the whole
database
Am Montag, 18. Juli 2005 16:56 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
But why doesn't it work if i make alle FK deferrable initially deferred?
You didn't do it right --- I don't believe the code actually looks at
pg_constraint, it looks at pg_trigger. And if you are going
Am Freitag, 15. Juli 2005 19:19 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
How can a function determine in which isolation level it runs?
select current_setting('transaction_isolation');
Thank you for the hint.
I didn't find it myself because tab completion on SHOW doesn't
i have a function which calculates some aggregates (like a materialized view).
As my aggregation is made with a temp table and 5 SQL Queries, i need a
consistent view of the database. Therefor i need transaction isolation level
SERIALIZABLE, right? Otherwise the second query inside of the
Am Mittwoch, 13. Juli 2005 16:04 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
I was just testing some configuration settings, especially increasing
shared_buffers and setting fsync to false. And suddenly it happens 3
times out of ten that i get this error.
Could you put
Am Mittwoch, 13. Juli 2005 15:35 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
this way it works:
CREATE TEMP TABLE ranking AS *Q*;
EXECUTE 'UPDATE temp_gc SET gc_rank = ranking.rank
FROM ranking WHERE temp_gc.mg_name = ranking.mg_name;';
and this way it doesn't
Hi,
[i am using Postgresql version 8.0.3]
yesterday i posted a mail regarding a function which calculates a ranking with
a plperl SHARED variable.
Today i ve got some problems with it:
FEHLER: duplizierter Schlüssel verletzt Unique-Constraint
»pg_type_typname_nsp_index«
CONTEXT:
Hi,
Am Mittwoch, 13. Juli 2005 00:03 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
I have a guess, what happens here: The order of the subselect statement
is dropped by the optimizer because the optimizer doesn't see the
side-effect of the ranking function.
That guess
Hi,
in postgresql you have several possibilites to get the rank of items. A thread
earlier this year shows correlated subqueries (not very performant) and other
tricks and techniques to solve the ranking problem:
http://archives.postgresql.org/pgsql-general/2005-05/msg00157.php
The
Am Montag, 27. Juni 2005 01:40 schrieb CSN:
If I have a table of items with latitude and longitude
coordinates, is it possible to find all other items
that are within, say, 50 miles of an item, using the
geometric functions
Am Freitag, 24. Juni 2005 17:05 schrieb Omachonu Ogali:
I'm using PostgreSQL 7.4.2, and I'm having a little issue with rules.
I created a rule to watch for any inserts to table XYZ, and registered
a listener. But as I simply do a select on the table, I receive several
notifications when
Hi,
if you define a SERIAL column postgresql's default is to generate a sequence
for each SERIAL column (table_column_seq). But you can use one sequence for
the whole database like this:
CREATE dbsequence;
CREATE TABLE one (
id int4 NOT NULL DEFAULT nextval('dbseq')
);
CREATE TABLE two (
Am Donnerstag, 2. Juni 2005 12:03 schrieb Martijn van Oosterhout:
On Thu, Jun 02, 2005 at 12:58:33PM +0300, Kaloyan Iliev Iliev wrote:
Hi,
I suppose the paralel work will be a problem if you are using one
sequence for all tables.
I don't know about this. Sequences are designed to be
Hi,
i like to use postgresql for managing my postfix mailserver via lookup tables.
for each mailbox domain i have a system account to have quotas per domain. (i
know there are other solutions like postfix-vda and so on)
When i add a domain to the mailsystem i have to add a user account for this
Hi,
i have a databse in postgresql 7.4 with some pdf files in a bytea column.
everything works fine but sometimes when i dump and restore i get
psql:../tmp/dump.sql:704022: ERROR: invalid input syntax for type bytea
CONTEXT: COPY dk_dokument, line 127, column dk_content:
Am Montag, 4. April 2005 17:36 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
i have a databse in postgresql 7.4 with some pdf files in a bytea column.
everything works fine but sometimes when i dump and restore i get
psql:../tmp/dump.sql:704022: ERROR: invalid input syntax
Hi,
i have a databse in postgresql 7.4 with some pdf files in a bytea column.
everything works fine but sometimes when i dump and restore i get
psql:../tmp/dump.sql:704022: ERROR: invalid input syntax for type bytea
CONTEXT: COPY dk_dokument, line 127, column dk_content:
Am Dienstag, 29. März 2005 16:37 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
Am Montag, 28. März 2005 18:06 schrieb Tom Lane:
The only way for pg_xlog to bloat vastly beyond what it's supposed to be
(which is to say, about twice your checkpoint_segments setting
Hi,
i do a nightly CLUSTER and VACUUM on one of my production databases.
Yesterday in the morning the vacuum process was still running after 8 hours.
That was very unusal and i didnt know exactly what to do. So i tried to stop
the process. After it didnt work i killed -9 the Vacuum process. I
Informao
(+55) 14 2106-3514
http://www.planae.com.br
- Original Message -
From: Janning Vygen [EMAIL PROTECTED]
To: pgsql-general@postgresql.org
Sent: Monday, March 28, 2005 7:19 AM
Subject: [GENERAL] pg_xlog disk full error, i need help
PANIC: could not write to file
/home/postgres
Am Montag, 28. März 2005 18:06 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
My disk was running full with 100 GB (!) of data/pg_xlog/ files.
The only way for pg_xlog to bloat vastly beyond what it's supposed to be
(which is to say, about twice your checkpoint_segments setting
Hi,
i dumped my database on server1 with pg_dump -Fc ..., copied the dump to
server2, both same pgsql version 7.4.6
pg_restore says
pg_restore: [custom archiver] could not uncompress data: incorrect data check
But it seems that almost any data was restored.
What does this error mean. I
Am Donnerstag, 10. März 2005 18:17 schrieb Tom Lane:
John Sidney-Woollett [EMAIL PROTECTED] writes:
I'm pretty sure I had the same problem when using pg_restore. If
pl/pgsql is installed in template1, then the restore fails.
And I couldn't find any solution to this on the list either.
Hi,
i dumped my database on server1 with pg_dump -Fc ..., copied the dump to
server2, both same pgsql version 7.4.6
pg_restore says
pg_restore: [custom archiver] could not uncompress data: incorrect data check
But it seems that almost any data was restored.
What does this error mean. I didn't
Hi,
i have a normal user with rights to create a db. template1 contains language
plpgsql. the user wants to
- dump his db
- drop his db
- create it again
- and use the dump file to fill it.
it gives errors because of CREATE LANGUAGE statements inside the dump.
How can i prevent that the dump
Hi,
i have a normal user with rights to create a db. template1 contains language
plpgsql. the user wants to
- dump his db
- drop his db
- create it again
- and use the dump file to fill it.
it gives errors because of CREATE LANGUAGE statements inside the dump.
How can i prevent that the dump
Am Freitag, 11. Februar 2005 12:07 schrieb David Goodenough:
I have an address table, with all the normal fields and a customer name
field and an address type. There is a constraint that means that the
combination of customer and type have to be unique. Normally the
only record per customer
Am Montag, 10. Januar 2005 18:22 schrieb Madison Kelly:
Hi all,
I have another question, I hope it isn't too basic. ^.^
I want to do a select from multiple tables but not join them. What I
am trying to do is something like this (though this doesn't work as I
need):
SELECT
Am Samstag, 11. Dezember 2004 20:06 schrieb Bruno Wolff III:
On Thu, Dec 09, 2004 at 18:32:19 +0100,
Janning Vygen [EMAIL PROTECTED] wrote:
id should be positive
id should not have gaps within the same account
id should start counting by 1 for each account
i cant use sequences
Am Montag, 13. Dezember 2004 17:37 schrieb Bruno Wolff III:
On Mon, Dec 13, 2004 at 10:58:25 +0100,
Janning Vygen [EMAIL PROTECTED] wrote:
Am Samstag, 11. Dezember 2004 20:06 schrieb Bruno Wolff III:
maybe your are right. But with Sequences i thought to have problems when
i do inserts
Hi,
i have a table like this:
create table array (
account text NOT NULL,
id int4 NOT NULL,
value text NOT NULL,
PRIMARY KEY (account, id)
);
values like this:
acc1,1,'hi'
acc1,2,'ho'
acc1,3,'ha'
acc2,1,'ho'
acc3,1,'he'
acc3,2,'hu'
id should be positive
id should not have gaps
Hi,
i am testing a few queries in my postgresql DB. The first query after reboot
is always slower because of an empty OS page/file cache.
I want to test my queries without any files in the linux kernel cache, just to
know what would be the worst execution time. At the moment i stop postgresql
Am Dienstag, 16. November 2004 16:39 schrieb Doug McNaught:
Janning Vygen [EMAIL PROTECTED] writes:
So how do i easily empty all page/file caches on linux (2.4.24)?
Probably the closest you can easily get is to put the Postgres data
files on their own partition, and unmount/remount
Am Samstag, 16. Oktober 2004 07:23 schrieb Mike Mascari:
Hello. I have a query like:
SELECT big_table.*
FROM little_table, big_table
WHERE little_table.x = 10 AND
little_table.y IN (big_table.y1, big_table.y2);
I have indexes on both big_table.y1 and big_table.y2 and on
little_table.x and
Hi,
pgpool seems to be very nice. I will use it in production environment as soon
as possible, but have a question regarding pgpool:
I have four different databases/user combinations which should have different
numbers of possible connection.
let my db have 80 concurrent connections and i
Am Freitag, 1. Oktober 2004 10:56 schrieb Richard Huxton:
Janning Vygen wrote:
tonight my database got corruppted. before it worked fine.
in the morning some sql queries failed. it seems only one table was
affected. i stopped all web access and tried to backup the current
database
Hi,
tonight my database got corruppted. before it worked fine.
since two days i do the following tasks every night
psql -c 'CLUSTER;' $DBNAME
psql -c 'VACUUM FULL ANALYZE;' $DBNAME
before these opertaions i stop all web access. The last months i only did a
VACUUM ANALYZE each night and didn't
Am Freitag, 1. Oktober 2004 09:49 schrieben Sie:
Hi,
tonight my database got corruppted. before it worked fine.
since two days i do the following tasks every night
psql -c 'CLUSTER;' $DBNAME
psql -c 'VACUUM FULL ANALYZE;' $DBNAME
before these opertaions i stop all web access. The last
Hi Richard,
i feared all db gurus are asleep at the moment.
Am Freitag, 1. Oktober 2004 10:56 schrieb Richard Huxton:
PS - your next mail mentions sig11 which usually implies hardware
problems, so don't forget to test the machine thoroughly once this is over.
You saved my life!! Nothing
Am Donnerstag, 26. August 2004 08:30 schrieb Fuchs Clemens:
Hi,
I just want to add several columns to an existing table. Do I have to call
a statements like below for each new column, or is there a possibility to
do it at once?
- existing table: test
- columns to add: col1
Am Donnerstag, 26. August 2004 04:43 schrieb Benjamin Smith:
I have two tables like following:
create table attendancereport (
id serial unique not null,
staff_id integer not null references staff(id),
schoolyear varchar not null references schoolyear(year),
students_id integer not null
Am Samstag, 31. Juli 2004 17:13 schrieb Tom Lane:
Janning Vygen [EMAIL PROTECTED] writes:
So here is my question: How can i define a functional index to be used
with a primary key (using postgreSQL 7.4.3)?
You can't. The SQL spec says that primary keys are columns or lists of
columns.
I
Hi,
EXPLAIN on delete stamements works, but doesn't show me all the subsequent
deletes or checks which has to be done because of foreign keys
cascading/restricting.
Is there a solution to show up which tables are checked and which scans the
planner is going to use to check these related
Am Mittwoch, 26. Mai 2004 00:36 schrieb Wei Shi:
Hi, does anyone know how to get the schema information
of a table. More specifically, I would like to know
1. which field(s) are primary keys?
2. the data type of each field of a table?
3. If a field is a foreign key, what field/table it
is
Am Dienstag, 13. April 2004 14:17 schrieb Victor Spng Arthursson:
Hi!
How do i convert a result to upper/lowercase?
This is a question
SELECT UPPER(lang) from languages;
and this is the answer. It works exactly like this:
SELECT UPPER('dk');
results in 'DK'
kind regards,
Janning
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