Hello,
If I do something like:
SELECT * FROM sometable ORDER BY somerow DESC LIMIT 1 OFFSET 2;
.. and there are multiple rows in sometable where somerow is identical,
am I assured that the values will always come back in the same order?
. Or do I need to ensure that a second sort (such as
Hello,
I got a deadlock in my database this morning. This time it happened in an UPDATE, but
sometimes it's in an INSERT, or during a transaction too. Here is what I could gather
before killing the offending processes:
ps -afx:
7075 ?? I 0:00.72 postmaster: jldousse groupefpdb
On Mon, Oct 25, 2004 at 04:45:15AM -0700, Net Virtual Mailing Lists wrote:
Hello,
If I do something like:
SELECT * FROM sometable ORDER BY somerow DESC LIMIT 1 OFFSET 2;
.. and there are multiple rows in sometable where somerow is identical,
am I assured that the values will always
Hi,
I am using postgresql 7.1.3 in RedHatLinux 7.2. Can anyone tell me how
to connect with postmaster through TCP socket (it is started with -i
option) using libpq from an external application. (written in C)
--
regards,
Deepa K
---(end of
Stephan Szabo wrote:
It's enabled in large part for backwards compatibility. There's a
runtime
option that controls the behavior (add_missing_from).
IMHO, it would be a more natural choice to have the add_missing_from
disabled by default. Why would anyone *ever* want faulty SQL being
* Thomas Hallgren [EMAIL PROTECTED] [2004-10-25 15:52:20 +0200]:
IMHO, it would be a more natural choice to have the add_missing_from
disabled by default. Why would anyone *ever* want faulty SQL being
magically patched up by the dbms?
That assumes that developers will implement queries in
Philippe Lang [EMAIL PROTECTED] writes:
I got a deadlock in my database this morning.
There is no deadlock here. The ungranted rows in pg_locks all point to
the transaction ID 6489299, which belongs to PID 11346, which is this
one:
11346 ?? R236:43.23 postmaster: jlroubaty groupefpdb
unsubscribe [EMAIL PROTECTED]
unsubscribe ryan richards
___
Do you Yahoo!?
Express yourself with Y! Messenger! Free. Download now.
http://messenger.yahoo.com
---(end of broadcast)---
TIP 4: Don't 'kill
On Mon, 25 Oct 2004, Thomas Hallgren wrote:
Stephan Szabo wrote:
It's enabled in large part for backwards compatibility. There's a
runtime
option that controls the behavior (add_missing_from).
IMHO, it would be a more natural choice to have the add_missing_from
disabled by default.
Hello
Harrison Fisk from MySQL claims in this thread:
http://forums.mysql.com/read.php?35,3981,4245#msg-4245
That there are no major differences between InnoDB and MVCC concurrency.
Is this true?
Thank you.
Tim
---(end of broadcast)---
TIP 3:
Net Virtual Mailing Lists wrote:
If I do something like:
SELECT * FROM sometable ORDER BY somerow DESC LIMIT 1 OFFSET 2;
.. and there are multiple rows in sometable where somerow is
identical, am I assured that the values will always come back in the
same order? .
No.
Or do I need to
Thanks for your reply, however as I am a total newbie around here, I've
no clue how to get to postgresql-x.y.z/contrib. I looked on the main
page but couldn't find it.
-Original Message-
From: Scott Marlowe [mailto:[EMAIL PROTECTED]
Sent: Saturday, October 23, 2004 7:10 PM
To: Vassilev,
Thanks a lot Tom.
One more question: i'm surprised there are so many ExclusiveLocks when displaying
pg_lock:
33044 32920 11439 RowExclusiveLockt
6514392 14385 ExclusiveLock t
6495858 11439 ExclusiveLock t
...etc...
I found in the
On Mon, Oct 25, 2004 at 05:56:04PM +0200, Philippe Lang wrote:
One more question: i'm surprised there are so many ExclusiveLocks when
displaying pg_lock:
33044 32920 11439 RowExclusiveLockt
6514392 14385 ExclusiveLock t
6495858 11439
Philippe Lang [EMAIL PROTECTED] writes:
One more question: i'm surprised there are so many ExclusiveLocks when displaying
pg_lock:
6514392 14385 ExclusiveLock t
6495858 11439 ExclusiveLock t
...etc...
Those are the transaction ID locks.
I found in the
On 10/25/2004 11:53 AM, [EMAIL PROTECTED] wrote:
Hello
Harrison Fisk from MySQL claims in this thread:
http://forums.mysql.com/read.php?35,3981,4245#msg-4245
That there are no major differences between InnoDB and MVCC concurrency.
Is this true?
From a functional point of view, the two appear to do
* Thomas Hallgren [EMAIL PROTECTED] [2004-10-25 19:06:40 +0200]:
I don't see how that makes a difference really.
/me notes the timestamp on his post and vows never to post before 8am
again.
--
Steven Klassen - Lead Programmer
Command Prompt, Inc. - http://www.commandprompt.com/
PostgreSQL
Stephan,
In general, when we add a backwards compatibility option, we give
a couple of versions before the default is changed.
Perhaps the 8.0 would be a perfect time since it's a change of the major
number.
In addition, until we have a form of delete which allows a from
list, there are
I'm running into some problems with arrays in my SQL which're giving me fits.
I've got some SQL statements that I'm issuing from my app using the
PQexecParams() C call. All the parameters are passed in as literal
string parameters (that is, the paramTypes array entry for each
placeholder is set
Hello
Why is it that PostgreSQL chooses to have features like replication,
fulltext indexing and GIS maintained by others outside of the sourcetree?
I appreciate any answers.
Thank you.
Tim
---(end of broadcast)---
TIP 6: Have you searched
[EMAIL PROTECTED] wrote:
Hello
Why is it that PostgreSQL chooses to have features like replication,
Well this is because there are multiple versions of replication and each
has pros and cons. The community does not wish to endorse any of them.
fulltext indexing and GIS maintained by others
Dan Sugalski [EMAIL PROTECTED] writes:
I've got some SQL statements that I'm issuing from my app using the
PQexecParams() C call. All the parameters are passed in as literal
string parameters (that is, the paramTypes array entry for each
placeholder is set to 0) letting the engine convert.
On 10/25/2004 2:19 PM, [EMAIL PROTECTED] wrote:
Hello
Why is it that PostgreSQL chooses to have features like replication,
fulltext indexing and GIS maintained by others outside of the sourcetree?
Because those are very diverse features. Replication especially, which
is a bunch of different
On Monday 25 October 2004 14:19, [EMAIL PROTECTED] wrote:
Why is it that PostgreSQL chooses to have features like replication,
fulltext indexing and GIS maintained by others outside of the sourcetree?
I'll make the attempt to answer best I can.
PostgreSQL's architecture is very open and highly
On Mon, 25 Oct 2004 [EMAIL PROTECTED] wrote:
Hello
Why is it that PostgreSQL chooses to have features like replication,
fulltext indexing and GIS maintained by others outside of the sourcetree?
well, in the case of replication, there are about a half dozen replication
solutions currently out
On Mon, Oct 25, 2004 at 01:15:33PM -0400, Jan Wieck wrote:
On 10/25/2004 11:53 AM, [EMAIL PROTECTED] wrote:
Is this true?
From a functional point of view, the two appear to do the same thing.
Well, except for one difference. InnoDB will allow you refer to
tables not controlled by the
On Mon, Oct 25, 2004 at 08:19:20PM +0200, [EMAIL PROTECTED] wrote:
Hello
Why is it that PostgreSQL chooses to have features like replication,
fulltext indexing and GIS maintained by others outside of the sourcetree?
I can tell you for sure that the replication systems are aimed at
different
At 2:37 PM -0400 10/25/04, Tom Lane wrote:
Dan Sugalski [EMAIL PROTECTED] writes:
I've got some SQL statements that I'm issuing from my app using the
PQexecParams() C call. All the parameters are passed in as literal
string parameters (that is, the paramTypes array entry for each
placeholder
Hi,
I am using postgres 7.4.5 on Redhat Enterprise Linux 3.
My background is really on Oracle, and I am porting a
largish database over to postgres.
Here is my problem:
On oracle, I had a table with an on update or delete
trigger that copied the current row out to an audit
Thomas Hallgren wrote:
Steven,
That assumes that developers will implement queries in their code
without testing them. Unfortunately, that's probably not too far from
reality. I've thought of it as a nice debugging feature while I'm
trying to hammer out a complicated query for the first
If you want to return rows with zeros, you may need to do something like
this:
select b.name as viewer, count(viewerid)
from xenons b left join viewer_movies a on (b.id = a.viewerid)
group by b.name
Eddy Macnaghten wrote:
select b.name as viewer, count(*)
from viewer_movies a, xenons b
where
I've made a test case, and setting the trigger BEFORE DELETE doesn't delete the rows from the table (but it does execute the trigger, and it does insert the rows in the audit table), I dont' know why .
Anyway, setting the trigger AFTER DELETE works ok.
On Mon, 2004-10-25 at 15:56, Naeem Bari
On 10/25/2004 2:42 PM, Andrew Sullivan wrote:
On Mon, Oct 25, 2004 at 01:15:33PM -0400, Jan Wieck wrote:
On 10/25/2004 11:53 AM, [EMAIL PROTECTED] wrote:
Is this true?
From a functional point of view, the two appear to do the same thing.
Well, except for one difference. InnoDB will allow you
Other people have answered, but I'd like to add:
It makes it much faster to fix bugs and improve features in the projects
outside of the source tree. If replication has a bug, you don't want to
wait for the next point release, you want a fix *now*. PostgreSQL is a
big project, and can't make new
Dan Sugalski [EMAIL PROTECTED] writes:
At 2:37 PM -0400 10/25/04, Tom Lane wrote:
What you'll need to do is specify at least one of
the array elements to be numeric, either via paramTypes or with a cast
in the SQL command:
INSERT INTO foo (bar, baz, xyzzy) VALUES ($1, $2, ARRAY[$3::numeric,
On 10/25/2004 2:56 PM, Naeem Bari wrote:
Hi,
I am using postgres 7.4.5 on Redhat Enterprise Linux 3.
My background is really on Oracle, and I am porting a largish database
over to postgres.
Here is my problem:
On oracle, I had a table with an on update or delete trigger that
copied the
Naeem Bari [EMAIL PROTECTED] writes:
CREATE OR REPLACE FUNCTION public.func_job_status_upd()
RETURNS trigger AS
'
begin
insert into x_job_status values ( OLD.job_id, OLD.job_status_type_id,
OLD.status_date, OLD.notes, OLD.edit_person_id, OLD.edit_date);
return new;
end;
'
On 10/25/2004 3:33 PM, Franco Bruno Borghesi wrote:
I've made a test case, and setting the trigger BEFORE DELETE doesn't
delete the rows from the table (but it does execute the trigger, and it
does insert the rows in the audit table), I dont' know why :(.
Because the internal variable for NEW is
I understand. Makes sense. Is there anyway for my trigger function to
know that it is being called on a delete or on an update? Because I do
need to return new on update... and I really don't want to write 2
different functions, one for update and one for delete...
I would change the trigger to
Ok, a really newbie question - I think I will switch to using after
rather than before - but can I modify the trigger statement without
dropping the trigger function? The reason I ask is that I actually wrote
a program that takes oracle's DDL and generates all the tables, audit
tables, triggers
On 10/25/2004 3:47 PM, Tom Lane wrote:
Naeem Bari [EMAIL PROTECTED] writes:
CREATE OR REPLACE FUNCTION public.func_job_status_upd()
RETURNS trigger AS
'
begin
insert into x_job_status values ( OLD.job_id, OLD.job_status_type_id,
OLD.status_date, OLD.notes, OLD.edit_person_id, OLD.edit_date);
On 10/25/2004 3:53 PM, Naeem Bari wrote:
I understand. Makes sense. Is there anyway for my trigger function to
know that it is being called on a delete or on an update? Because I do
need to return new on update... and I really don't want to write 2
different functions, one for update and one for
Hi,
In the 7.4.5 version, the code is now trying to use a much larger
value for shared_buffers. I can certainly set this to a lower number
with the -B option. However, my guestion is:
What is the performance issue with setting shared_buffers to something like 45?
In doing some timing on my
Hi,
the restoration of a dump stops at the line above. The dump was created with
pgsql 7.3.2 and I need to pump it into a 7.4.3 one. Should anybody tell me
what the problem can be and how I can solve it.
(There are double apostophes [''] many times in the string - is it normal???
Besides of the
Glenn Sullivan [EMAIL PROTECTED] writes:
What is the performance issue with setting shared_buffers to something like 45?
In doing some timing on my system, I cannot tell any difference with 45 versus 1000.
What are you timing exactly? Almost every benchmark I've ever seen is
much happier with
Devrim GUNDUZ wrote:
Hi,
(S)RPMs for new point releases (per
http://archives.postgresql.org/pgsql-announce/2004-10/msg00010.php)
have been built for Fedora Core 12, Red Hat Linux 9 and Red Hat
Enterprise Linux 3.
If you want insert in the mirrors the RPMs for RH 2.1AS you can find
them here:
Any chance of changing \copy and COPY to allow
specifying what the fields are enclosed by (such as
quotes) and to ignore the first x number of lines? I
have data like below and don't know of an easy way to
finesse it for importing (a simple regexp would remove
quotes, but I just got tripped up on
Andrew Sullivan wrote:
On Mon, Oct 25, 2004 at 01:15:33PM -0400, Jan Wieck wrote:
On 10/25/2004 11:53 AM, [EMAIL PROTECTED] wrote:
Is this true?
From a functional point of view, the two appear to do the same thing.
Well, except for one difference. InnoDB will allow you refer to
tables not
Ah, looks like enclosed by will be in PG 8 :). Is
QUOTE [ AS ] 'quote' for the enclosed by
character?
Ignore x lines would be nice, but not as big of a
deal.
http://developer.postgresql.org/docs/postgres/sql-copy.html
--- CSN [EMAIL PROTECTED] wrote:
Any chance of changing \copy and COPY
On Mon, 2004-10-25 at 09:16 -0500, Vassilev, Lubomir G. wrote:
Thanks for your reply, however as I am a total newbie around here, I've
no clue how to get to postgresql-x.y.z/contrib. I looked on the main
page but couldn't find it.
It is part of the tarball that you download (if you download
I have a process that hangs doing a drop schema cascade delete. This happens in a
slonik command, which runs fine if I run it directly from the command line, but hangs
if run from inside my process. I'm pretty sure I'm doing something silly and it's not
a slony-specific thing, and I'm hoping
On Mon, 2004-10-25 at 15:09 -0500, Naeem Bari wrote:
Ok, a really newbie question - I think I will switch to using after
rather than before - but can I modify the trigger statement without
dropping the trigger function?
CREATE OR REPLACE FUNCTION ...
--
Oliver Elphick
i installed mandrake 10 on my pc, and i choose postgresql as db, i installed
it before in windows, but in linux i dont have idea what happends, i
remebered that i should create an user, but in linux the process is auto and
i when i try to connect by pgadmin i dont know user and password =(
i
Use python's (or another language) CSV reader module which will parse the
quotes for you and write the values in a tab-delimited file. Don't forget
to escape the tabs in the strings... it should be less than 10 lines of
code.
On Mon, 25 Oct 2004 14:45:57 -0700 (PDT), CSN
[EMAIL
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
log in as root and edit the file
/var/lib/pgsql/data/postgresql.conf
Right on the top there is a line
#tcpip_socket=true
make sure this line has no # in front (comment)
and see that it has true as the value.
Second check out pg_hba.conf
At the end
David Parker [EMAIL PROTECTED] writes:
To my untrained eye, it doesn't look as though there is any lock
contention here,
Me either; whatever that process is doing, it doesn't seem to be waiting
for a lock. Is it accumulating CPU time?
One way to get some info is to attach to the backend
Hi:
I'm trying to dump tableA and restore it to tableB:
$ ./pg_dump -Fc -t tableA databaseA -f tableA.dump -v
$ ./pg_restore -t tableB -d databaseA tableA.dump -v
pg_dump creates tableA.dump aparently well, but after running pg_restore
without errors I cannot find any tableB, what am I doing
ruben [EMAIL PROTECTED] writes:
I'm trying to dump tableA and restore it to tableB:
pg_dump does not do that. The -t switch is for selecting one table
among several, not for renaming anything.
regards, tom lane
---(end of
After 4 weeks of work, involving alot of bug fixes, and documentation
improvements, to the source tree, we have just released our 4th Beta of
8.0.0. Most of the items on Bruce's Open Items list have been completed,
but we still have a half dozen or so Windows related items still open.
For a
On Mon, 2004-10-25 at 22:59, Deepa K wrote:
Hi,
I am using postgresql 7.1.3 in RedHatLinux 7.2.
Note that PostgreSQL 7.1.3 is quite old -- you should consider
upgrading.
Can anyone tell me how
to connect with postmaster through TCP socket (it is started with -i
option) using libpq from an
Background Info:
I have a table with a approx 2.5 million rows. The table often gets 200-300 inserts
per second. We are see that the database (7.4.1 Red Hat Enterprise ED 4 way Xeon)
will periodically lock up all of a sudden and force the database to queue up hundreds
of queries. The
Is there a simple way to list fieldnames in a table, from PHP?
When on the command-line, I just do \d tablename
But how to get the fieldnames from PHP commands?
---(end of broadcast)---
TIP 3: if posting/reading through Usenet, please send an
hi,
can anyone give me some info on the caracteristics
of object relational databases and their advantages as well as
disdvantages!
thanx in advance.
* Miles Keaton [EMAIL PROTECTED] [2004-10-25 19:36:43 -0700]:
Is there a simple way to list fieldnames in a table, from PHP?
When on the command-line, I just do \d tablename
But how to get the fieldnames from PHP commands?
If your namespace is 'public' and your table is 'users', for
On Mon, Oct 25, 2004 at 07:36:43PM -0700, Miles Keaton wrote:
Is there a simple way to list fieldnames in a table, from PHP?
When on the command-line, I just do \d tablename
If you run psql -E or type \set ECHO_HIDDEN after you're
in psql then you'll see the hidden queries that psql sends for
Original Message
Subject: Abrupt close of pgsql backend
From:Deepa K [EMAIL PROTECTED]
Date:Mon, October 25, 2004 8:04 pm
To: [EMAIL PROTECTED]
--
Hi,
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