On Wed, Aug 23, 2006 at 05:34:27PM -0700, Bob Pawley wrote:
Could you explain why Postgresql simply doesn't accept the simple 'where'
statement that was in my earlier e-mail.
Because INSERT doesn't take a WHERE clause. If you want to do the
insert conditionally then use an IF statement as Tom
On Wed, Aug 23, 2006 at 07:34:43PM -0700, Bob Pawley wrote:
Let me explain.
I'll build a simple example based on what you describe. Please
make corrections as necessary.
I have a table called p_id.devices which accumulates the devices_id for a
multitude of differing devices used in PID
On Wed, Aug 23, 2006 at 11:41:50PM -0600, Michael Fuhr wrote:
Is there a reason this server-side code is using ECPG instead of SPI?
To make sure it doesn't work? There is NO guarantee that ECPG will work
in this scenario.
Michael
--
Michael Meskes
Email: Michael at Fam-Meskes dot De, Michael
On Wed, Aug 23, 2006 at 06:52:00PM -0400, Tom Lane wrote:
A possible solution therefore is to have psql or libpq drive the
client_encoding off the client's locale environment instead of letting
it default to equal the server_encoding. But I'm not sure what
downsides that would have, and in
Hi guys,
I have a projects using ASP.NET (VB.net) where i upload a jpeg file
using a web form and then save the jpeg file into a table. I've decided
to use Oid instead of Bytea as i heard that Oid is more memory
efficient. So can anyone point me to a website or link where i can see
the
On 8/24/06, Jeff Davis [EMAIL PROTECTED] wrote:
On Wed, 2006-08-23 at 16:04 -0700, Frank Cohen wrote:
These look like good XPath functions. Are they actually in PSQL
8.1.4? I did not find them in the Windows installed version. If not,
are they recommended?
Look at contrib/xml2. The function
I just came back this morning after doing a REINDEX of pg_class
Nothing is working. I try to REINDEX pg_class and it complains
ERROR: could not open relation 1663/16390/2662: No such file or
directory
I try to REINDEX DATABASE and same thing. I can't open any tables.
Any ideas?
And yes Tom,
Hello,
It appears in MySql 3.23 the limit is 16 MB. In 4.0 and later, it is 1 GB
http://dev.mysql.com/doc/refman/4.1/en/packet-too-large.html
Could someone tell me where I can find PostgreSQL doc about the query
length please
Tks a lot!
Hello,
Just curious to know whether postgresql has
Silvela, Jaime \(Exchange\) [EMAIL PROTECTED] writes:
I just came back this morning after doing a REINDEX of pg_class
Nothing is working. I try to REINDEX pg_class and it complains
ERROR: could not open relation 1663/16390/2662: No such file or
directory
If the index entries for the system
Excuse my ignorance, how do I do that. Linux env setting? Is it a
command line option for Postmaster?
-Original Message-
From: Tom Lane [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 24, 2006 9:06 AM
To: Silvela, Jaime (Exchange)
Cc: pgsql-general
Subject: Re: [GENERAL] Can't open
I did setenv PGOPTIONS -P and restarted the database, and still get
ERROR: could not open relation 1663/16390/2662
I'm going to try to restore from a previous copy. Any other ideas?
Thanks
Jaime
-Original Message-
From: Tom Lane [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 24,
Martijn van Oosterhout wrote:
For glibc systems we can get 100% reliable results. Even for other
systems there's standard code out there for determining the charset.
But this has been discussed before:
http://archives.postgresql.org/pgsql-hackers/2003-05/msg00744.php
On Thu, Aug 24, 2006 at 06:25:28PM +0800, Gibson wrote:
I have a projects using ASP.NET (VB.net) where i upload a jpeg file
using a web form and then save the jpeg file into a table. I've decided
to use Oid instead of Bytea as i heard that Oid is more memory
efficient.
See the Large
Alvaro Herrera [EMAIL PROTECTED] writes:
Martijn van Oosterhout wrote:
It seems to me that setting the client encoding based on the
client-locale is the *only* sensible way of doing it.
Yes please.
FWIW I'm not sure if it really belongs in libpq, or it must be rather in
psql (and thus in
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Hash: SHA1
Emi Lu wrote:
Hello,
It appears in MySql 3.23 the limit is 16 MB. In 4.0 and later, it is 1 GB
http://dev.mysql.com/doc/refman/4.1/en/packet-too-large.html
Could someone tell me where I can find PostgreSQL doc about the query
length
Hi, I've recently been using PostgreSQL and am having some trouble
performing an insert.
My situation is this:
I have a table, A with 15 fields, out of which I am interested in 2
fields, a and b. The table has 8,000,000 rows
I have another table, B, which has 3 fields a, c, and d. The field a
Silvela, Jaime \(Exchange\) [EMAIL PROTECTED] writes:
If the index entries for the system catalogs themselves are hosed,
you may have to start the session with PGOPTIONS=-P (to disable
trusting system indexes) in order to do REINDEX successfully.
Excuse my ignorance, how do I do that. Linux
Rajarshi Guha [EMAIL PROTECTED] writes:
I have a table, A with 15 fields, out of which I am interested in 2
fields, a and b. The table has 8,000,000 rows
I have another table, B, which has 3 fields a, c, and d. The field a
references field a in table A. Table B is empty at this point.
I
Hello,
I'm trying to compile a libpq program under Debian 3.1r2 with these
packages installed:
$ dpkg -l | grep postgres
ii postgresql 7.4.7-6sarge2 object-relational SQL database management sy
ii postgresql-cli 7.4.7-6sarge2 front-end programs for PostgreSQL
ii postgresql-con
Alexander Farber wrote:
Hello,
I'm trying to compile a libpq program under Debian 3.1r2 with these
packages installed:
$ dpkg -l | grep postgres
ii postgresql 7.4.7-6sarge2 object-relational SQL database
management sy
ii postgresql-cli 7.4.7-6sarge2 front-end programs for
I've also checked
http://www.postgresql.org/docs/7.4/interactive/libpq-exec.html
and PQprepare() isn't mentioned there at all.
Wasn't it provided in PostgreSQL version 7?
Is there a way to workaround it?
Maybe by using pqPrepareAsyncResult()?
And how could I #ifdef in my libpq-program, to
Alexander Farber [EMAIL PROTECTED] writes:
Does anybody have an idea please, what could I be doing wrong?
Trying to use a subroutine added in 8.0 in 7.4.
regards, tom lane
---(end of broadcast)---
TIP 6: explain analyze is
Silvela, Jaime (Exchange) wrote:
I did setenv PGOPTIONS -P and restarted the database, and still get
ERROR: could not open relation 1663/16390/2662
I'm going to try to restore from a previous copy. Any other ideas?
If you have a previous copy, do not restore. Fix your hardware.
My strong
Yes, I'm sorry I didn't expect that it wasn't there
(coming to libpq-programming from Perl,
where there is always a prepare() function)
How could I detect (#ifdef WHAT) an older
PostgreSQL version in my C-code?
And is there maybe an easy workaround
for a missing PQprepare?
On 8/24/06, Tom
Tom Lane wrote:
A possible solution therefore is to have psql or libpq drive the
client_encoding off the client's locale environment instead of
letting it default to equal the server_encoding.
I have been proposing that for years, but just about now the Japanese
would speak up and protest ...
Hello,
I am designing database for a web product with large number of data records.
- Few tables but number of objects is tens-hundreds of thousands.
- less than 100 queries per second.
The application has basically tens thousands of (user) accounts,
every account has associated hundreds of
Hi, I am dynamically loading a shared object in a function.CREATE OR REPLACE FUNCTION sp_trigger_raw_email(int4, char) RETURNS bool AS'/usr/local/pgsql/jsbali/parser', 'test' LANGUAGE 'c' VOLATILE STRICT;
ALTER FUNCTION sp_trigger_raw_email(int4, text) OWNER TO postgres; signature of test is test
Joe,with a normal serial, without big, you can have 9.223.372.036.854.775.807 records individually numbered.
- Few tables but number of objects is tens-hundreds of thousands.- less than 100 queries per second.so you are talking about 10*100*1000=100 in words one million records? That is not
Michael
You did well interpreting
my scribblings.
In attempting
to use the IF _expression_ (below) I receive an error message stating the return
includes two or more rows. This seems to make sense since I am asking if one
condition exists (p_id device_number = library device_number
Ok, I've upgraded to:
$ dpkg -l | grep postgres
ii postgresql-8.1 8.1.4-4bpo1object-relational SQL database,
version 8.1
ii postgresql-cli 8.1.4-4bpo1front-end programs for PostgreSQL 8.1
ii postgresql-cli 57bpo1 manager for multiple PostgreSQL
client versi
ii
On Thu, Aug 24, 2006 at 06:21:01PM +0200, Harald Armin Massa wrote:
with a normal serial, without big, you can have
9.223.372.036.854.775.807 records individually numbered.
Not true; see the documentation:
http://www.postgresql.org/docs/8.1/interactive/datatype.html#DATATYPE-SERIAL
The type
Peter Eisentraut [EMAIL PROTECTED] writes:
Tom Lane wrote:
A possible solution therefore is to have psql or libpq drive the
client_encoding off the client's locale environment instead of
letting it default to equal the server_encoding.
I have been proposing that for years, but just about now
On Thu, Aug 24, 2006 at 07:19:29PM +0200, Harald Armin Massa wrote:
so with serial there are only 2.147.483.648 possible recordnumbers.
Actually 2147483647 using the default sequence start value of 1 and
going up to 2^31 - 1, the largest positive value a 32-bit integer
can hold. You could get
On Thu, 2006-08-24 at 10:50 -0400, Tom Lane wrote:
Rajarshi Guha [EMAIL PROTECTED] writes:
I have a table, A with 15 fields, out of which I am interested in 2
fields, a and b. The table has 8,000,000 rows
I have another table, B, which has 3 fields a, c, and d. The field a
references
I know that in pgsql.hackers they are discussing what to market the
upcoming 8.2 release as. They mention updatable views, but
realistically, PostgreSQL has had them via rules forever. I consider
myself a database novice , and even I've created updatable views using
rules quite easily.
It
Karen Hill wrote:
It would be really great if PostgreSQL supported SQL:2003 Window
functions. I know that oracle and sql server have them already, so it
would make postgres competitive in that area. I know there is a
feature freeze for 8.2, is it doable for 8.3?
The sooner you start
Rajarshi Guha [EMAIL PROTECTED] writes:
On Thu, 2006-08-24 at 10:50 -0400, Tom Lane wrote:
I think you are getting burnt by the list of pending trigger actions
to check the foreign-key references in B.
Thanks for the pointer. I've dropped the constraint and am now running
the INSERT.
On Aug 24, 2006, at 14:11 , Alvaro Herrera wrote:
Karen Hill wrote:
It would be really great if PostgreSQL supported SQL:2003 Window
functions. I know that oracle and sql server have them already,
so it
would make postgres competitive in that area. I know there is a
feature freeze for
-Original Message-
From: [EMAIL PROTECTED] [mailto:pgsql-general-
[EMAIL PROTECTED] On Behalf Of AgentM
Sent: Thursday, August 24, 2006 11:27 AM
To: PostgreSQL General ML
Subject: Re: [GENERAL] SQL:2003 Window Functions for postgresql 8.3?
On Aug 24, 2006, at 14:11 , Alvaro
On Thu, Aug 24, 2006 at 02:26:53PM -0400, AgentM wrote:
Could someone elaborate on the window functions? This page http://
en.wikipedia.org/wiki/SELECT has some examples but they make it seem
like the functions are an overly-verbose LIMIT statement. So what's
the benefit?
Look for more
Martijn van Oosterhout kleptog@svana.org writes:
The main thing I want to use them for is for cumulative output.
...
With window functions you define for each row a window which is from
the beginning of the table to that row and then sum the values, for
each row. Then you just divide by the
Postgres' DISTINCT ON clause is an example of a window function, though as
it stands today it seems to be a special-case hack, instead of an example
of a more generalized feature.
On Thu, 24 Aug 2006, AgentM wrote:
On Aug 24, 2006, at 14:11 , Alvaro Herrera wrote:
Karen Hill wrote:
It
On Thu, Aug 24, 2006 at 02:47:20PM -0400, Tom Lane wrote:
Martijn van Oosterhout kleptog@svana.org writes:
The main thing I want to use them for is for cumulative output.
...
With window functions you define for each row a window which is from
the beginning of the table to that row and
Tom Lane wrote on 24.08.2006 20:47:
Perhaps an extremely smart optimizer could improve this using knowledge
of the specific aggregates' behaviors, but for black box aggregates
it sounds pretty unworkable.
I don't know how they do it, but those functions in Oracle are pretty fast.
Usually ways
- Original Message -
From: Michael Fuhr [EMAIL PROTECTED]
To: Harald Armin Massa [EMAIL PROTECTED]
Cc: Joe Kramer [EMAIL PROTECTED];
Sent: Thursday, August 24, 2006 2:37 PM
Subject: Re: [GENERAL] Large database design advice
On Thu, Aug 24, 2006 at 07:19:29PM +0200, Harald Armin
Hi,The way we use ECPG for the database related activites while working with C, what do i need to look up if i'm using perl.As alot of people have pointed out that perl is the best language to use while dealing with email parsing.
We have the perl code ready to parse the email.Just wondering what
On Thu, 24 Aug 2006 15:46:00 -0400 Jasbinder Bali [EMAIL PROTECTED] thought
long, then sat down and wrote:
Hi,
The way we use ECPG for the database related activites while working with
C, what do i need to look up if i'm using perl.
As alot of people have pointed out that perl is the best
On Thu, 2006-08-24 at 14:12 -0400, Tom Lane wrote:
Rajarshi Guha [EMAIL PROTECTED] writes:
On Thu, 2006-08-24 at 10:50 -0400, Tom Lane wrote:
I think you are getting burnt by the list of pending trigger actions
to check the foreign-key references in B.
Thanks for the pointer. I've
folk
the pg_statistics show too many lock table ( fron my
app.) and all of them is in waiting state.
the only way to go out from this situation is restart
the cluster.
where is the way to investigate lock's table tree ?
any clue?
best regards
MDC
Thanks Nikolay: Seeing as xml2 hasn't been ported to Windows yet
makes me wonder if this is going to be the best way to use XML in
PostgreSQL in the long-term? Is there anything else on the boards? -
Frank
On Aug 24, 2006, at 4:17 AM, Nikolay Samokhvalov wrote:
On 8/24/06, Jeff Davis
On Thu, Aug 24, 2006 at 03:46:00PM -0400, Jasbinder Bali wrote:
The way we use ECPG for the database related activites while working with
C, what do i need to look up if i'm using perl.
For information about writing server-side Perl functions see the
PL/Perl documentation (adjust the link if
On Thu, Aug 24, 2006 at 01:17:49PM -0400, Tom Lane wrote:
I guess the key point might be what do we do if the client locale
is C? Perhaps if it's C, we continue to use the server encoding
as we have in the past. This would be a reasonable fallback in
other cases where we fail to deduce an
Greetings,
We're running
PostGres on linux, version 8.1.x. on a new server for a few
weeks.Andthe serverlog just consumed the rest of the disk
space - 100GB log file. Wow, that's a personal record. I'm nota Linux
guru so if you could pointme in the right direction I'dappreciate
it.
How
Clinging to sanity, [EMAIL PROTECTED] (Tom Lane) mumbled into her beard:
Martijn van Oosterhout kleptog@svana.org writes:
The main thing I want to use them for is for cumulative output.
...
With window functions you define for each row a window which is from
the beginning of the table to that
marcelo Cortez [EMAIL PROTECTED] writes:
the pg_statistics show too many lock table ( fron my
app.) and all of them is in waiting state.
the only way to go out from this situation is restart
the cluster.
Surely a few query cancels would be sufficient.
where is the way to investigate
Randy How [EMAIL PROTECTED] writes:
We're running PostGres on linux, version 8.1.x. on a new server for a few
weeks. And the serverlog just consumed the rest of the disk space - 100GB
log file. Wow, that's a personal record.
Perhaps choose less verbose logging settings? But really the
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