On Mon, 29 Sep 2008, Matthew Pulis wrote:
I need to perform some timed testing, thus need to make sure that disk cache
does not affect me. Is clearing the OS (Ubuntu) disk cache, ( by running:
sudo echo 3 | sudo tee /proc/sys/vm/drop_caches ) enough to do this?
What you should do is:
1)
Matthew Pulis wrote:
Hi,
I need to perform some timed testing, thus need to make sure that disk
cache does not affect me. Is clearing the OS (Ubuntu) disk cache, ( by
running: sudo echo 3 | sudo tee /proc/sys/vm/drop_caches ) enough to
do this? If not can you please point me to some site
Abdul Rahman wrote:
Hi all,
I am following the steps present in this link:
http://people.planetpostgresql.org/dpage/index.php?/archives/51-Setting-up-Slony-I-with-pgAdmin.html
But failed to complete step # 13. Here I am unable to get CREATE NEW
SUBSCRIPTION. Can any body guide me plz.
I am not getting the New Subscription option when do right click on
subscription (0) on the master node.
A while ago I wrote a script based on Dave Plonka work
http://net.doit.wisc.edu/~plonka/fincore/
My script monitors system buffers and shared buffers
(if pg_buffercache installed) and I found it's almost useless to
check system buffers, since I got rather ridiculous numbers.
I use it to
Guys,
This is all not about checkpoints. As I've mentioned in the first
message, even right after manual run of CHECKPOINT command in psql
pg_start_backup() takes same time (~10 minutes).
Regards,
Ivan
On Sun, Sep 28, 2008 at 8:18 PM, Simon Riggs [EMAIL PROTECTED] wrote:
On Sun, 2008-09-28
You can always add a constraint that these columns cannot be NULL
themselves. That removes this problem.
On Sep 28, 2008, at 11:17 PM, Klint Gore [EMAIL PROTECTED] wrote:
Matthew Wilson wrote:
I'm trying to comprehend how NULL values interact with unique
indexes.
It seems like I can insert
On Mon, 2008-09-29 at 13:39 +0400, Ivan Zolotukhin wrote:
This is all not about checkpoints. As I've mentioned in the first
message, even right after manual run of CHECKPOINT command in psql
pg_start_backup() takes same time (~10 minutes).
As explained, there's not very much going on apart
On 29/09/2008 08:49, Abdul Rahman wrote:
I am not getting the New Subscription option when do right click on
subscription (0) on the master node.
It sounds like you're using pgAdmin - IIRC you need to have some parts
at least of Slony installed on the machine on which pgAdmin is running.
There
On Mon, Sep 29, 2008 at 02:55:52AM -0400, Greg Smith wrote:
On Mon, 29 Sep 2008, Matthew Pulis wrote:
I need to perform some timed testing, thus need to make sure that
disk cache does not affect me. Is clearing the OS (Ubuntu) disk
cache, (by running: sudo echo 3 | sudo tee
Hello,
I've created a table in public schema,
CREATE TABLE public.foo (fooid SERIAL);
When I try to create a table in database nowhere that references public.foo
table,
CREATE DATABASE nowhere;
\c nowhere;
CREATE TABLE bar (bar integer REFERENCES public.foo(fooid));
I get, ERROR: relation
Joey K. wrote:
Hello,
I've created a table in public schema,
CREATE TABLE public.foo (fooid SERIAL);
When I try to create a table in database nowhere that references
public.foo table,
CREATE DATABASE nowhere;
\c nowhere;
CREATE TABLE bar (bar integer REFERENCES public.foo(fooid));
I get,
am Mon, dem 29.09.2008, um 17:43:21 +0530 mailte Joey K. folgendes:
When I try to create a table in database nowhere that references public.foo
table,
CREATE DATABASE nowhere;
\c nowhere;
CREATE TABLE bar (bar integer REFERENCES public.foo(fooid));
I get, ERROR: relation public.foo
Simon Riggs [EMAIL PROTECTED] writes:
I'm surprised that checkpoint smoothing moves slowly even when it has so
little to do.
AFAIK that's operating as designed. The point being that we shouldn't
create any more I/O load than we absolutely have to.
It's not clear to me that it's a bug for
I am not getting the New Subscription
option when do right click on
subscription (0) on the master node.
It sounds like you're using pgAdmin - IIRC you need to
have some parts
at least of Slony installed on the machine on which pgAdmin
is running.
Personally I prefer to use slonik,
On 29/09/2008 14:23, Glyn Astill wrote:
The whole problem with having clicky menus is that it allows you do
do things without full knowledge of what's going off, and that can
never be the case with slony.
I agree, and I prefer to use Slonik as well. The example given in the
docs was good
Hi,
I am trying to pass array of elements to store procedure, as follows
CREATE TYPE emptype as(
name text,
id integer,
dob date);
Function
chetan N [EMAIL PROTECTED] writes:
CREATE TYPE emptype as(
name text,
id integer,
dob date);
SELECT * from
On Mon, 2008-09-29 at 08:35 -0400, Tom Lane wrote:
Simon Riggs [EMAIL PROTECTED] writes:
I'm surprised that checkpoint smoothing moves slowly even when it has so
little to do.
AFAIK that's operating as designed. The point being that we shouldn't
create any more I/O load than we
Hi:
I'm in the business of writting recursive PL-Pgsql functions. I need to
know what happens to the data stream from a select cursor inside of
which the recursive call is made. For example
create table int_stream (num integer);
insert into int_stream (num) values (1);
insert
Gauthier, Dave [EMAIL PROTECTED] writes:
I'm in the business of writting recursive PL-Pgsql functions. I need to
know what happens to the data stream from a select cursor inside of
which the recursive call is made. For example
Nothing, unless you use explicitly-named cursors and force a
Hello
every call of plpgsql function has own result, there are not any
shared result, so you need forward result from deeper call to up.
http://www.pgsql.cz/index.php/PL/pgSQL_(en)#Recursive_call_of_SRF_functions
regards
Pavel Stehule
2008/9/29 Gauthier, Dave [EMAIL PROTECTED]:
Hi:
I'm in
In all fairness, I believe in Oracle I was declaring explicit cursors
(by name) and recursive calls would fail outright with complaints that
the cursor was already open. There was (to the best of my knowledge)
nothing like the for select... in loop... construct in Oracle's
PLSQL language.
-dave
The PostgreSQL Conference: West is being held at Portland State
University on October 10th - 12th. The West Coast PostgreSQL
conference is currently seeking more Lightning Talks.
Lightning talks are an exciting way to get involved in the conference
with very little commitment on the speakers end.
Hi everyone,
I have multiple query´s, and i´m trying to optimize my queries by
creating a temporary table x(contains the field id_product).
The queries that utilize the temp table x, must use the order of the rows at
x.
My problem: I have a query that do a limit and offset on table x. I
On Sun, Sep 28, 2008 at 9:57 PM, Seb [EMAIL PROTECTED] wrote:
Well, I was able to get PostgreSQL Update-able views to work nearly as
well as the update-able queries did in Access.
Would you mind sharing a sample schema?
I'll see what I can do. I did post some sample schema a while back
but I
Hi all.
I'm trying to cut data from one table and put it in another table. The
problem comes from the fact that the first table has a field that is a
char(x) and the destination table needs that data in an integer.
For example, I'm trying to do this:
insert into data
select
My current solution is to issue a bunch of queries:
SELECT make, count(*) FROM table WHERE criteria GROUP BY make ORDER BY
count(*) DESC LIMIT 3;
make count
--+-
audi | 50
bmw | 40
vw | 30
SELECT color, count(*) FROM table WHERE criteria GROUP BY color
ORDER BY
Hi all I have been experiencing some strange behaviour on my postgres
DB. I am VERY new to PG so bear with me as what I am going to ask is
all probably very basic to you guys.
First off over the last couple of weeks we have been seeing in the
dir /var/lib/pgsql/data/base/16450 some large file
On 16 sep, 23:04, [EMAIL PROTECTED] (Andrew Sullivan) wrote:
On Tue, Sep 16, 2008 at 04:46:37PM -0400, Reid.Thompson wrote:
PostgreSQL appears to all intents to startup fine on the UNIX and IPv4
sockets. Is there a parameter to tell postgresql tonotattempt to open
anIPv6socket?
Specify
Hi,
i have 1 master and one slave db.
when in the master i run this sql : update wspet00 set datamf=20080925
where numcar = 7123123123
in the slave slon process i have an error with this log:
update only public.wspet00 set datamf='20080925' where ;
ERROR: syntax error at or near ;
LINE 1:
Taras Kopets wrote:
now you have to initialize this variable once per session before usage:
SELECT set_config('olap.rownum_name', false);
Ok, thanks. That has fixed my problem.
Malcolm
--
Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
To make changes to your
Hi:
I am a software engineer from GE. I am using JDBC to operate
PostgreSQL8.3 in Ubuntu8.04. The develop environment is Eclipse3.2 My
problem is:
There is a PostgreSQL table XX containing 5 fields: AA, BB, CC, DD,
EE, AA is primary key and auto-generated type, BB, CC, DD and EE is
string
change t.date2 dates.date to t.date2+0dates.date, this will prevent
the query from trying to use the index on date2 because the where clause
now references an expression and not the column itself:
explain analyze
select sum(amount), dates.date as date
from transaction t
join (select get_dates
On Mon, Sep 29, 2008 at 7:41 AM, [EMAIL PROTECTED] wrote:
On 16 sep, 23:04, [EMAIL PROTECTED] (Andrew Sullivan) wrote:
On Tue, Sep 16, 2008 at 04:46:37PM -0400, Reid.Thompson wrote:
PostgreSQL appears to all intents to startup fine on the UNIX and IPv4
sockets. Is there a parameter to tell
Good Afternoon
add the CLOSE_CURSORS_AT_COMMIT Option to the Statements capabilities e.g.
Statement st = db.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE.ResultSet.CLOSE_CURSORS_AT_COMMIT);
//then tell the connection handle to commit the DML to the DB
On Mon, Sep 29, 2008 at 8:21 AM, [EMAIL PROTECTED] wrote:
Hi all I have been experiencing some strange behaviour on my postgres
DB. I am VERY new to PG so bear with me as what I am going to ask is
all probably very basic to you guys.
First off over the last couple of weeks we have been
On Mon, Sep 29, 2008 at 12:12 PM, r_musta [EMAIL PROTECTED] wrote:
However, this is starting to become too slow (as there are about 10 of
these queries), and therefore I need to write an aggregate function
which lets me do:
SELECT count_unique(make), count_unique(color) from table WHERE
2008/9/27 Douglas McNaught [EMAIL PROTECTED]:
On Sat, Sep 27, 2008 at 12:13 PM, Mark Mielke [EMAIL PROTECTED] wrote:
If
some parts of PostgreSQL are not performance bottlenecks, and they are
extremely complicated to write in C, and very easy to write in something
else common and simple (I've
On Mon, 29 Sep 2008, Simon Riggs wrote:
I'm surprised that checkpoint smoothing moves slowly even when it has so
little to do. ISTM checkpoint completion target should set its write
rate according to the thought that if shared_buffers were all dirty it
would write them out in
On Mon, 29 Sep 2008, Sam Mason wrote:
On Mon, Sep 29, 2008 at 02:55:52AM -0400, Greg Smith wrote:
3) sudo echo 3 /proc/sys/vm/drop_caches
I'm not sure about the rest, but shouldn't this be:
echo 3 | sudo tee /proc/sys/vm/drop_caches
I couldn't think of any reason to actually include the
Thanks to Stephan and Hubert for their replies. Using your answers I
was able to solve the problem. It turned out that its a natural join
that I wanted.
Thanks for quick help,
Ashutosh
On Sun, Sep 28, 2008 at 10:18, Stephan Szabo
[EMAIL PROTECTED] wrote:
On Sun, 28 Sep 2008, Ashutosh Chauhan
Hi,
I would like some pointers as to how to install the dbsamples so that I can
use them in Postgres. These .tar.qz files seem to contain *.sql files.
These seem to be text files but I do not understand how to import to
postgres or if there is some command line command to run.
These samples are
On 29/09/2008 23:03, Tommy Gibbons wrote:
I would like some pointers as to how to install the dbsamples so that I
can use them in Postgres. These .tar.qz files seem to contain *.sql
files. These seem to be text files but I do not understand how to
import to postgres or if there is some
Tommy Gibbons wrote:
I would like some pointers as to how to install the dbsamples so that I can
use them in Postgres. These .tar.qz files seem to contain *.sql files.
These seem to be text files but I do not understand how to import to
postgres or if there is some command line command to run.
On Mon, 29 Sep 2008, [EMAIL PROTECTED] wrote:
What are these files and why have they suddenly started to be created
and why so large?
They're the contents of the database and they get created every time there
is another 1GB worth of data in there. Note that the database will use
more space
Simon Riggs wrote:
If it is a bug then I'd vote for just making it do an immediate
checkpoint --- that might cause big I/O load but it's hardly likely to
be worse than what will happen when you start taking the subsequent
filesystem backup.
It was a clear intention for it to *not*
On Mon, 29 Sep 2008 19:06:46 -0400 (EDT)
Bruce Momjian [EMAIL PROTECTED] wrote:
I agree with Tom; either we make the pg_start_backup() checkpoint
immediate or leave the behavior unchanged.
Personally I think immediate makes more sense because issuing
pg_start_backup() seems like it should
Mike Diehl [EMAIL PROTECTED] writes:
For example, I'm trying to do this:
insert into data
select cast('666' as integer) as block_number, phone as phone_number,
name
from demo_q;
When I run this query, I get:
ERROR: column block_number is of type integer but
Scott Marlowe [EMAIL PROTECTED] writes:
On Mon, Sep 29, 2008 at 8:21 AM, [EMAIL PROTECTED] wrote:
-rw--- 1 postgres root 1073741824 Sep 29 15:15 2613.77
-rw--- 1 postgres root 1073741824 Sep 29 15:15 2613.83
What are these files and why have they suddenly started to be
r_musta [EMAIL PROTECTED] writes:
However, this is starting to become too slow (as there are about 10 of
these queries), and therefore I need to write an aggregate function
which lets me do:
SELECT count_unique(make), count_unique(color) from table WHERE criteria;
I must be missing
That fixed it. If you are ever in Albuquerque, NM., let me know. I'll be
happy to buy you a beer.
Mike.
On Monday 29 September 2008 05:26:43 pm Tom Lane wrote:
Mike Diehl [EMAIL PROTECTED] writes:
For example, I'm trying to do this:
insert into data
select cast('666' as integer)
Hello!
The PostgreSQL Community is working to create a community driven and
endorsed PostgreSQL Certification. This effort is spearheaded by the
PostgreSQL Certification Project (http://www.postgresqlcertification.org).
The primary focus of the project is the development and support of a
Thanks a lot for replying!
Here is complete information for consideration:
In order to perform replication. I am following the steps present in
http://people.planetpostgresql.org/dpage/index.php?/archives/51-Setting-up-Slony-I-with-pgAdmin.html
and successfully reached to step # 13. I have
On Mon, Sep 29, 2008 at 4:36 PM, Tom Lane [EMAIL PROTECTED] wrote:
SELECT count(distinct make), count(distinct color) from table WHERE
criteria;
Is this in the SQL spec? I didn't know Agg functions could do this?
--
Regards,
Richard Broersma Jr.
Visit the Los Angeles PostgreSQL Users
Richard Broersma wrote:
On Mon, Sep 29, 2008 at 4:36 PM, Tom Lane [EMAIL PROTECTED] wrote:
SELECT count(distinct make), count(distinct color) from table WHERE
criteria;
Is this in the SQL spec? I didn't know Agg functions could do this?
Yes. SQL92 6.5
set function specification ::=
Hi
I'm currently encountering an interesting issue with the PostgreSQL ODBC
driver on Windows. I'm unlucky enough to have to use MS Access 2007 for
a project at the moment, with PostgreSQL providing the storage through
ODBC. It all works as well as can be expected from Access, except that
the
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