Final words -
If you use PostGres and Hibernate, * everything * has to be in a
transaction, ALWAYS.
That and remember to close your sessions.
Thanks for listening to my rambling.
Mark
On Mon, Mar 9, 2009 at 10:31 AM, Mark Mandel mark.man...@gmail.com wrote:
Well, there was an issue there, in
Tom Spencer wrote:
I need to compare the age of some data files against the age (i.e.
time of last commit) of the database. If the data files are newer
then the database needs to be rebuilt.
I can kludge together a solution but by far the cleanest solution
would be to just ask what time
I've altready asked this some months ago, but I've never seen any answers:
why do multidimensional arrays have to have matching extents for each
dimension?
Is there any way this limit can be removed, even using a custom datatype?
__
Do You
Is it possible to use begin, commit and rollback commands within a transaction
block in SQL function in postgre ver 8.2
with regards,
I.P.S. Sethi
Hi All,
I try to migrate a database from WIN1251 to UTF8 but
I have a problem dumping from WIN1251 to UTF8.
pg_dump -C -E 'UTF8' a a_utf8.sql
pg_dump: SQL command failed
pg_dump: Error message from server: ERROR: could not load library
/usr/local/lib/postgresql/utf8_and_cyrillic.so: dlopen
Sorry for the noise.
The problem is solved with the restart of the postgresql server.
Have a nice day.
Kaloyan Iliev
Kaloyan Iliev wrote:
Hi All,
I try to migrate a database from WIN1251 to UTF8 but
I have a problem dumping from WIN1251 to UTF8.
pg_dump -C -E 'UTF8' a a_utf8.sql
pg_dump:
IPS wrote:
Is it possible to use begin, commit and rollback commands within a
transaction block in SQL function in postgre ver 8.2
with regards,
I.P.S. Sethi
I guess you can use nested blocks in side a function(BEGIN,END) but not
commit because a SQL function runs as a single
2009/3/9 Christian Schröder c...@deriva.de:
I understand why this is advisable; however, something inside me hates the
idea to put this kind of database specific stuff inside an application. How
about portability? Why does the application developer have to know about
database internals? He
On 09/03/2009 10:34, Ashish Karalkar wrote:
IPS wrote:
Is it possible to use begin, commit and rollback commands within a
transaction block in SQL function in postgre ver 8.2
I guess you can use nested blocks in side a function(BEGIN,END) but not
commit because a SQL function runs as a
On Mon, Mar 9, 2009 at 8:25 AM, IPS se...@nic.in wrote:
Is it possible to use begin, commit and rollback commands within a
transaction block in SQL function in postgre ver 8.2
if you want to break plpgsql function, use exceptions. That will cause
transaction (which in it self is the whole
Scott Marlowe wrote:
you can run out of memory if too many connections try to use too much
of it at the same time, that's why it is advisable to set work_mem per
connection/query, should the connection/query require more.
Definitely.
I understand why this is advisable; however,
2009/3/9 Christian Schröder c...@deriva.de:
Scott Marlowe wrote:
you can run out of memory if too many connections try to use too much
of it at the same time, that's why it is advisable to set work_mem per
connection/query, should the connection/query require more.
Definitely.
I
2009/3/6 Christian Schröder c...@deriva.de
Hi list,
if I want to find all records from a table that don't have a matching
record in another table there are at least two ways to do it: Using a left
outer join or using a subselect. I always thought that the planner would
create identical plans
Hello all,
Accidentally, I deleted the main-database. However, the tablespace that
contains the actual data is fine. All the databases that I need are in
the table-space. Is there any way to recover these databases?
Thanking you,
Joe
--
Joe Steeve
HiPro IT Solutions Pvt. Ltd.
On Mon, Mar 09, 2009 at 11:45:38AM +0100, Christian Schröder wrote:
Scott Marlowe wrote:
you can run out of memory if too many connections try to use too
much of it at the same time, that's why it is advisable to set
work_mem per connection/query, should the connection/query require
more.
hi,
thank you for your comments.
my problem is that the mdf file has been sent to me by email in a zip file.
i extracted the file and it is 8 GB.
i don't know how i should import or open it with postgres.
best,
ary
Från: John R Pierce
There are a couple of tools that will open an MDF file buy you have to
pay for them
http://www.sqldatabaserepair.com/
http://www.mssqldatabaserecovery.com/
Another option is you need to learn how the MSSQL server is setup, and
what version.
Get your hands on that Version of SQL install it
Hi group,
I just noticed getting the next number of a sequence doesn't respect a
transaction.
Here is an example:
===
erwin=# SELECT nextval('tblofferlabel_offerlabelid_seq'::regclass) as
nextofferlabelid;
nextofferlabelid
Erwin Moller wrote:
I thought a transaction that is rolled back, rolls back *everything*
done in that transaction.
Appearantly sequences are not included.
Yes. This is actually a desirable property, because it allows sequences
to work fine in concurrent scenarios (which are, after all, the
Alvaro Herrera schreef:
Erwin Moller wrote:
I thought a transaction that is rolled back, rolls back *everything*
done in that transaction.
Appearantly sequences are not included.
Hi Alvaro,
Thanks for your reply.
Yes. This is actually a desirable property, because it allows
Adrian Klaver wrote:
but if you don't allow access to ports 5432 and 5433
in the firewall the packets will never get to the point that the rules in
pg_hba.conf apply.
Willy-Bas Loos wrote:
Adrian, i [sic] was talking about opening up the firewall for the world to
my postgres ports, instead
Alvaro Herrera wrote:
Erwin Moller wrote:
I thought a transaction that is rolled back, rolls back *everything*
done in that transaction.
Appearantly sequences are not included.
Yes. This is actually a desirable property, because it allows sequences
to work fine in concurrent scenarios
Greetings,
I have a table with a column with type tsvector. It contains the
result of to_tsvector() of varchar field in the table. What I'd like
to do is be able to search through the table and find all of the
distinct IP addresses. Any idea how to turn:
SELECT message_index_col FROM
Dear all,
I am trying to write a user-defined function in C++. Most examples are give in
plain C. I would be very grafeful for a sample program/code-snippet in C++.
Thank you very much,
George.
_
View your Twitter
George Oakman wrote:
I am trying to write a user-defined function in C++. Most examples are give
in plain C. I would be very grafeful for a sample program/code-snippet in C++.
It's just like any other C/C++ code mixing. You must make sure that any
C-only headers are included within an `extern
Hi All,
I have a few general question about PGSQL's internals of memory management
and I think this list is appropriate for that. I am interested to find out:
(1) how does PostgreSQL internally use physical memory allocated to it?
(2) what are different type of allocation units?
(3) what is a
On Tue, 03 Mar 2009 09:29:17 -0800
John R Pierce pie...@hogranch.com wrote:
Ivan Sergio Borgonovo wrote:
I'd like to have different users mainly to have a different
search schema path.
Things may evolve so this is not going to be the only reason to
have more than one user.
But I'm
Craig Ringer cr...@postnewspapers.com.au writes:
There's lots more information about this on the Internet. Just look for
generic resources on calling C from C++ and vice versa.
(I don't *think* there are any issues with libstdc++, though you'd
probably have to make sure that no other program
Thanks Craig,
I'm trying to compile a very simple test with Visual Studio (2008), but I get
the following errors:
c:\program files\postgresql\8.3\include\server\pg_config_os.h(188) : error
C2011: 'timezone' : 'struct' type redefinition
c:\program
George Oakman wrote:
Thanks Craig,
I'm trying to compile a very simple test with Visual Studio (2008), but
I get the following errors:
The PostgreSQL backend and header files are not compatible with Visual
Studio 2008. At least they're not tested wit hit. You need to try Visual
Studio
Hello all,
Our team is looking forward to some of the new features in 8.4 and
would like to get access to the current beta for development / testing
purposes.
Where: What is the best way to get a copy of the 8.4 beta? I've
searched around, but couldn't find a reliable direction on this
subject.
hola he estado tratando de solucionar este problema:
Luego de tratar de testear la base de datos con este comando:
C:\PostgreSQL\8.3\binpsql -d testdb -U postgres
Me sale este error
psql: no se pudo conectar con el servidor: Connection refused
(0x274D/10061)
¿Está el servidor en
On Monday 09 March 2009 12:37:10 pm Dante Ariel C. wrote:
hola he estado tratando de solucionar este problema:
Luego de tratar de testear la base de datos con este comando:
C:\PostgreSQL\8.3\binpsql -d testdb -U postgres
Me sale este error
psql: no se pudo conectar con el servidor:
Hello,
I'm looking for some insight on an intermittent PostgreSQL performance
problem that has been very troublesome. Using PG 8.3.5 on a server
running CentOS 5 2.6.18-8.el5 (Dual Xeon 2.00 GHz, 4 GB RAM, RAID-10
SCSI 600GB array).
The problem in a nutshell is this: on some days, a nightly
Hi there,
I hope this hasn't been covered in FAQ's; I couldn't find it specifically
mentioned. So we'd like to build a single-user application that uses
PostgreSQL as a database back end because of so many of the unique things that
it offers: customizable index formats (GIST - it's going
On Mon, Mar 9, 2009 at 2:55 PM, Paul Vercellotti pverce...@yahoo.com wrote:
Hi there,
I hope this hasn't been covered in FAQ's; I couldn't find it specifically
mentioned. So we'd like to build a single-user application that uses
PostgreSQL as a database back end because of so many of the
Scott Marlowe wrote:
On Mon, Mar 9, 2009 at 2:55 PM, Paul Vercellotti pverce...@yahoo.com wrote:
Hi there,
I hope this hasn't been covered in FAQ's; I couldn't find it specifically
mentioned. So we'd like to build a single-user application that uses
PostgreSQL as a database back end because
Hi,
I've just compiled 8.3.6 with ldap support yet I get
'FATAL: missing or erroneous pg_hba.conf file'
when I try to connect.
There weren't any errors during the compile, and ldd shows LDAP:
postg...@schema-mgmt:/opt/pgdata/log/pgsql83$ ldd
/opt/dbs/pgsql83/bin/postmaster | grep ldap
On Mon, Mar 9, 2009 at 1:55 PM, Mike Charnoky n...@nextbus.com wrote:
Hello,
I'm looking for some insight on an intermittent PostgreSQL performance
problem that has been very troublesome. Using PG 8.3.5 on a server
running CentOS 5 2.6.18-8.el5 (Dual Xeon 2.00 GHz, 4 GB RAM, RAID-10
SCSI
Hi,
I have two identical servers running CentOS 5.2 with PostgreSQL 8.3.5
installed on both. Prior to a reboot this morning, I was able to
connect, remotely, to both of them and doing telnet serve-rname 5432
brought up a prompt for them as well.
However, I am now in the unfortunate
JohnD li...@johndubchak.com writes:
I can ssh into the server and do a psql db-name from the
/var/lib/pgsql command prompt, as user postgres. But, when I try to use
a different user (psql -U user -p db-name), from the same prompt, I get:
psql: could not connect to server: No such file or
On Monday 09 March 2009 4:11:49 pm JohnD wrote:
Hi,
I have two identical servers running CentOS 5.2 with PostgreSQL 8.3.5
installed on both. Prior to a reboot this morning, I was able to
connect, remotely, to both of them and doing telnet serve-rname 5432
brought up a prompt for them as
JP Fletcher jpfle...@ca.afilias.info writes:
I've just compiled 8.3.6 with ldap support yet I get
'FATAL: missing or erroneous pg_hba.conf file'
when I try to connect.
Can't help you much when you don't show us the pg_hba.conf file ;-)
However, a tip that might help is that there should be
On Mon, 2009-03-09 at 18:11 -0500, JohnD wrote:
Hi,
Any idea why I am no longer able to connect?
What does your listen_addresses say on the affected server? Also just to
be safe do a /sbin/iptables -L and make sure you aren't blocking.
Joshua D. Drake
Thanks for any and all help.
John
Mike Charnoky n...@nextbus.com writes:
The sampling query which runs really slow on some days looks something
like this:
INSERT INTO sampled_data
(item_name, timestmp, ... )
SELECT item_name, timestmp, ... )
FROM raw_data
WHERE timestmp = ? and timestmp ?
AND item_name=?
Joshua D. Drake wrote:
What does your listen_addresses say on the affected server? Also just to
be safe do a /sbin/iptables -L and make sure you aren't blocking.
Joshua,
Thank you so much - that was it. My postgresql.conf listen_addresses
was commented out which defaulted to 'localhost'.
On Mon, 2009-03-09 at 19:09 -0500, JohnD wrote:
Joshua D. Drake wrote:
What does your listen_addresses say on the affected server? Also just to
be safe do a /sbin/iptables -L and make sure you aren't blocking.
Joshua,
Thank you so much - that was it. My postgresql.conf
Yeah, I wish I didn't have to resort to using ORDER BY RANDOM(). I
really wanted to use something like TABLESAMPLE, but that is not
implemented in PostgreSQL. Unfortunately, I cannot use use the random
sampling technique you mentioned, since I need to select samples across
various strata of
The random sampling query is normally pretty snappy. It usually takes
on the order of 1 second to sample a few thousand rows of data out of a
few million. The sampling is consistently quick, too. However, on some
days, the sampling starts off quick, then when the process starts
sampling
Tom Lane wrote:
One thing you've got to be really wary of is C++ exceptions,
which tend not to interoperate nicely with PG's longjmp-based error
handling.
Hmm, that does sound problematic. You can always build with
-fno-exceptions (gcc; I think other compilers offer related options) and
adopt
Magnus Hagander wrote:
George Oakman wrote:
Thanks Craig,
I'm trying to compile a very simple test with Visual Studio (2008), but
I get the following errors:
The PostgreSQL backend and header files are not compatible with Visual
Studio 2008. At least they're not tested wit hit. You
Craig Ringer cr...@postnewspapers.com.au writes:
Tom Lane wrote:
One thing you've got to be really wary of is C++ exceptions,
which tend not to interoperate nicely with PG's longjmp-based error
handling.
Hmm, that does sound problematic. You can always build with
-fno-exceptions (gcc; I
On Mon, Mar 9, 2009 at 8:21 PM, Mike Charnoky n...@nextbus.com wrote:
The random sampling query is normally pretty snappy. It usually takes on
the order of 1 second to sample a few thousand rows of data out of a few
million. The sampling is consistently quick, too. However, on some days,
Hi - I'm trying to build 8.3.6 on a box recently upgraded from Sarge
to Lenny and I get the following error during compile:
make[4]: Entering directory
`/backup/source/db/postgresql-8.3.6/src/backend/utils/adt' gcc -O2
-Wall -Wmissing-prototypes -Wpointer-arith -Winline
Josh Trutwin j...@trutwins.homeip.net writes:
Hi - I'm trying to build 8.3.6 on a box recently upgraded from Sarge
to Lenny and I get the following error during compile:
make[4]: Entering directory
`/backup/source/db/postgresql-8.3.6/src/backend/utils/adt' gcc -O2
-Wall -Wmissing-prototypes
Josh Trutwin j...@trutwins.homeip.net writes:
Hi - I'm trying to build 8.3.6 on a box recently upgraded from Sarge
to Lenny and I get the following error during compile:
make[4]: Entering directory
`/backup/source/db/postgresql-8.3.6/src/backend/utils/adt' gcc -O2
-Wall -Wmissing-prototypes
On Tue, 10 Mar 2009 00:49:32 -0400
Tom Lane t...@sss.pgh.pa.us wrote:
Josh Trutwin j...@trutwins.homeip.net writes:
snip
geo_ops.c /usr/lib/gcc/i486-linux-gnu/4.3.2/cc1: symbol lookup
error: /usr/lib/libmpfr.so.1: undefined symbol:
__gmp_get_memory_functions
[ blink... ] There's no
On Mon, 9 Mar 2009 22:01:38 -0700 (MST)
Leonel Nunez lis...@enelserver.com wrote:
Lenny has 8.3.6 why don't just apt-get install postgresql ???
http://packages.debian.org/lenny/postgresql
If I were doing a complete reinstall I would definitely go that
route. I came from a slackware
Where: What is the best way to get a copy of the 8.4 beta? I've
searched around, but couldn't find a reliable direction on this
subject.
http://yum.pgsqlrpms.org/news-8.4devel-ready-for-testing.php
Note these are development RPMs.
When: Is there any official word on when 8.4 will be
Hi,
Can I know the effective solution to do the backup and recovery
for Postgres in storage environment.
Please share Any existing deployment and solution for backup and
recovery for Postgres in storage
Any suggestion and recommendation are welcome.
Regards
Karthikeyan.N
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