On Thu, 9 Aug 2007, Tom Lane wrote:
Oleg Bartunov [EMAIL PROTECTED] writes:
On Thu, 9 Aug 2007, Tom Lane wrote:
Are either of these definitions really right? If I type foo bar baz
into Google, for instance, it seems to produce some sort of weighted
result, neither a strict AND nor a strict
Oleg Bartunov [EMAIL PROTECTED] writes:
neither a strict AND nor a strict OR is not a good foundation for
database text search API.
Maybe not, but the Google boys have sure done well without telling
anyone what their algorithms are.
My feeling is that if you use an API that involves explicit
On Thu, 9 Aug 2007, Tom Lane wrote:
Oleg Bartunov [EMAIL PROTECTED] writes:
neither a strict AND nor a strict OR is not a good foundation for
database text search API.
Maybe not, but the Google boys have sure done well without telling
anyone what their algorithms are.
My feeling is that if
Oleg Bartunov [EMAIL PROTECTED] writes:
On Thu, 9 Aug 2007, Tom Lane wrote:
Are either of these definitions really right? If I type foo bar baz
into Google, for instance, it seems to produce some sort of weighted
result, neither a strict AND nor a strict OR. Google didn't get where
they are
On 8/8/07, Tom Lane [EMAIL PROTECTED] wrote:
Oleg Bartunov [EMAIL PROTECTED] writes:
On Wed, 8 Aug 2007, cluster wrote:
Does anyone know where I can request an OR-version of plainto_tsquery()?
plainto_tsquery expects plain text, use to_tsquery for boolean operators.
Are either of these
On Thu, 9 Aug 2007, Tom Lane wrote:
Oleg Bartunov [EMAIL PROTECTED] writes:
On Thu, 9 Aug 2007, Tom Lane wrote:
... behavior that people want is here's some words, get me a weighted
result, and if the weighting improves from time to time that's OK.
We need to provide that API too.
I think
Oleg Bartunov [EMAIL PROTECTED] writes:
On Thu, 9 Aug 2007, Tom Lane wrote:
... behavior that people want is here's some words, get me a weighted
result, and if the weighting improves from time to time that's OK.
We need to provide that API too.
I think I understand. It's called non-exact
I've installed postgresql 8.2 on a windows vista machine and are trying to
connect to it from another one.the server has ip 192.168.1.100 and the client
192.168.1.102As I understand it, I should make some configuration changes in
pg_hba.conf to make this happen.Both machines has both ipv4 and
Hi,
I made a small demonstration for Sylph Searcher at Linux World at SF
and was asked by Josh Berkus where he can download it. I would like to
share the info with PostgreSQL users. Here is the URL:
http://sylpheed.sraoss.jp/en/download.html#searcher
Those who are not familiar with Syph
Thanks for your response! Let me try to elaborate what I meant with my
original post.
If R is the set of words in the tsvector for a given table row and S is
the set of keywords to search for (entered by e.g. a website user) I
would like to receive all rows for which the intersection between
Hi,
The table indexes aren't restored when I run this command:
gunzip -c /filename/.gz | psql dbname
/
Should I use another cmd? Or am I missing a parameter?
/regards, Håkan Jacobsson
---(end of broadcast)---
TIP 1: if posting/reading through
Hi,
I left our app on soak test overnight, it ran fine for some time but after a
few hours I noticed the following messages repeated in the log (the tmp
filename changes, but the PlPgSql function which causes it does not).
2007-08-08 17:25:57 LOG: failed to unlink
Hello,
I'm fairly new to the more advanded functionality of PostgreSQL,
especially writing functions in PL/pgSQL and have something of a
design question, which doesn't seem to be answered anywhere I can
google to.
I've a view created in my schema, for which I'm adding rules for
updating and
On 8/9/07, M S [EMAIL PROTECTED] wrote:
I left our app on soak test overnight, it ran fine for some time but after
a few hours I noticed the following messages repeated in the log (the tmp
filename changes, but the PlPgSql function which causes it does not).
2007-08-08 17:25:57 LOG:
Here is something cool that I did not realize postgres's substring()
could do.
Basically, it knows what you mean when you do substrings on dates and
numbers, doing an implicit cast for you. This is really nice if you
happen to be writing a generalized search system, as it makes the code
no, but (IMO) 8.2.4 is a required upgradeso you should be testing
that.
Understood, I'll try an upgrade after my repeat tests have finished.
The server is unable to delete a file (specifically, a temporary
table created for sorting). Have you considered any running services
that may
I have a couple of database clusters that need a vacuum full, and I
would like to estimate how long it will take, as it will need to be in a
maintenance window. I have the times that it takes to to do a regular
vacuum on the clusters, will vacuum full take longer?
--
Brad Nicholson 416-673-4106
Sure, we use a user interface widget called Ajax Dynamic List from
www.dhtmlgoodies.com. This replaces the HTML SELECT element.
When a user is sitting on a foreign-key field, such as a PATIENT or
CUSTOMER field, the user can just start typing letters or numbers. An
AJAX call is made to the
On Aug 9, 2007, at 9:38 AM, Brad Nicholson wrote:
I have the times that it takes to to do a regular
vacuum on the clusters, will vacuum full take longer?
almost certainly it will, since it has to move data to compact pages
rather than just tagging the rows as reusable.
you can speed
Decibel! escreveu:
On Wed, Aug 08, 2007 at 08:56:47AM -0300, Andr? Volpato wrote:
Hello everybody,
Im working with a small project to a client, using Postgres to
store data in a dimensional model, fact-oriented, e.g., a Datamart.
At this time, all I have is a populated database,
Hi,
After our 7.4 to 8.2 upgrade using debian tools, we realized that some
of our timestamps with tz had shifted:
For example '2007-04-01 00:00:00+02' became '2007-03-31 23:00:00+01'
which is on a different month. Some of our applications were severely
disturbed by that.
Has anyone noticed
I have reproduced this.
I'll upgrade to 8.2.4 and report back after my long weekend.
Cheers.
- Original Message
From: M S [EMAIL PROTECTED]
To: pgsql-general@postgresql.org
Sent: Thursday, 9 August, 2007 1:54:17 PM
Subject: Re: [GENERAL] failed to unlink, Permission denied
no, but
On 8/9/07, Louis-David Mitterrand
[EMAIL PROTECTED] wrote:
Hi,
After our 7.4 to 8.2 upgrade using debian tools, we realized that some
of our timestamps with tz had shifted:
For example '2007-04-01 00:00:00+02' became '2007-03-31 23:00:00+01'
which is on a different month. Some of our
=?ISO-8859-1?Q?H=E5kan_Jacobsson?= [EMAIL PROTECTED] writes:
The table indexes aren't restored when I run this command:
gunzip -c /filename/.gz | psql dbname
Since you haven't shown us what commands are in that file or what output
you get, it's impossible to make any intelligent response to
Could someone explain why \208 is not a valid syntax for bytea?
I am getting the following:
test= select E'\\207'::bytea;
bytea
---
\207
(1 row)
test= select E'\\208'::bytea;
ERROR: invalid input syntax for type bytea
test= select E'\\209'::bytea;
ERROR: invalid input syntax for type
On Wednesday 8. August 2007 15:12, Alban Hertroys wrote:
You should probably use a trigger (a before one maybe) instead of a
rule.
I tried that too, but I'm still quite shaky on how to write triggers,
and the same thing happened there: the inserted record was immediately
deleted. I solved the
On Aug 8, 2007, at 7:14 PM, Martijn van Oosterhout wrote:
But this is a thoroughly dead horse, lets not beat it up again.
Hah! Perhaps we could have a nice, friendly discussion on using
surrogate primary keys v. string based keys? Or, I think the body of
the nulls are bad dead horse is
On 8/9/07, Erik Jones [EMAIL PROTECTED] wrote:
On Aug 8, 2007, at 7:14 PM, Martijn van Oosterhout wrote:
But this is a thoroughly dead horse, lets not beat it up again.
Hah! Perhaps we could have a nice, friendly discussion on using
surrogate primary keys v. string based keys? Or, I
Jonas Gauffin wrote:
I've installed postgresql 8.2 on a windows vista machine and are trying to
connect to it from another one.
the server has ip 192.168.1.100 and the client 192.168.1.102
...
Any suggestions?
Yes. Let us know what client you are using to connect and post the error
message
M S [EMAIL PROTECTED] writes:
I can't think of any programs which would be locking the files (antivirus o=
r other), but I'll have a look.
Since it's a temporary file, no other Postgres process would be touching
it. I strongly suspect an antivirus or similar tool is touching the
file just as
Kenneth Downs [EMAIL PROTECTED] writes:
Basically, it knows what you mean when you do substrings on dates and
numbers, doing an implicit cast for you.
Implicit casts to text are evil, and are mostly going to be gone in 8.3.
So try not to rely on this behavior ...
Tom Lane wrote:
Kenneth Downs [EMAIL PROTECTED] writes:
Basically, it knows what you mean when you do substrings on dates and
numbers, doing an implicit cast for you.
Implicit casts to text are evil, and are mostly going to be gone in 8.3.
So try not to rely on this behavior ...
On Thu, 9 Aug 2007, Erik Jones wrote:
Perhaps we could have a nice, friendly discussion on using surrogate
primary keys v. string based keys? Or, I think the body of the nulls
are bad dead horse is collecting flies if anyone wants to take a swing
at it...
Following the handbook for dead
Woody Woodring [EMAIL PROTECTED] writes:
Could someone explain why \208 is not a valid syntax for bytea?
Aren't those escapes octal?
regards, tom lane
---(end of broadcast)---
TIP 5: don't forget to increase your free
On Aug 9, 2007, at 1:14 PM, Greg Smith wrote:
On Thu, 9 Aug 2007, Erik Jones wrote:
Perhaps we could have a nice, friendly discussion on using
surrogate primary keys v. string based keys? Or, I think the body
of the nulls are bad dead horse is collecting flies if anyone
wants to take a
Kenneth Downs [EMAIL PROTECTED] writes:
Tom Lane wrote:
Implicit casts to text are evil, and are mostly going to be gone in 8.3.
So try not to rely on this behavior ...
Based on general principle, or on specific bad things like unexpected or
ill-defined results?
Both. Check the archives,
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Erik Jones wrote:
On Aug 9, 2007, at 1:14 PM, Greg Smith wrote:
On Thu, 9 Aug 2007, Erik Jones wrote:
Perhaps we could have a nice, friendly discussion on using surrogate
primary keys v. string based keys? Or, I think the body of the
nulls
Thanks,
My bad, the table I was looking (8.7) at had the first column as the
decimal representation and I did notice that the numbers changed as they
moved right.
Is there a way for bytea to take a hex number, or do I need to convert the
bit stream to octal numbers?
Thanks again,
Woody
Is there a way to get this to work remotely? IE: is there an indexing
part that can be run on the mail server that you'd connect to remotely?
On Thu, Aug 09, 2007 at 05:30:13PM +0900, Tatsuo Ishii wrote:
Hi,
I made a small demonstration for Sylph Searcher at Linux World at SF
and was asked
On Thu, Aug 09, 2007 at 10:22:57AM -0400, Vivek Khera wrote:
On Aug 9, 2007, at 9:38 AM, Brad Nicholson wrote:
I have the times that it takes to to do a regular
vacuum on the clusters, will vacuum full take longer?
almost certainly it will, since it has to move data to compact pages
On Thu, Aug 09, 2007 at 06:14:43PM +0200, Leif B. Kristensen wrote:
On Wednesday 8. August 2007 15:12, Alban Hertroys wrote:
You should probably use a trigger (a before one maybe) instead of a
rule.
I tried that too, but I'm still quite shaky on how to write triggers,
and the same thing
On Thu, Aug 09, 2007 at 04:16:15PM -0400, Woody Woodring wrote:
My bad, the table I was looking (8.7) at had the first column as the
decimal representation and I did notice that the numbers changed as they
moved right.
Is there a way for bytea to take a hex number, or do I need to convert
On 8/9/07, Jonas Gauffin [EMAIL PROTECTED] wrote:
I've installed postgresql 8.2 on a windows vista machine and are trying to
connect to it from another one.
the server has ip 192.168.1.100 and the client 192.168.1.102
Before people start wrecking their brains on the postgres end
have you
clustering fail over... ala Oracle Parallel server
How can the server be setup in a cluster for load-balancing and failover
like perhaps OPS?
How does the Postges solution compare to an Oracle? MSSQL? MySQL solution?
Thank!
---(end of
For those who need to know the fields that a certain table has in a
postgresql database, here is the SQL statement:
SELECT DISTINCT attname, relname FROM pg_attribute pa, pg_class pc,
pg_tables pt WHERE pa.attrelid=pc.oid AND pc.relname=pt.tablename AND
pt.schemaname='public' AND attstattarget=-1
Hello
My database is restored from a dump file every day. How I know that this
database is up to date (as it has no timestamp in any table).
If I create a file, I can know when I created it by seeing its property.
How I can do the same thing with a back up database.
Ta.
On Aug 7, 1:26 pm, Arthernan [EMAIL PROTECTED] wrote:
I want to learn how a real database works. And I am about to
start reading the Postgre source code.
Are there any online documents that may document the code? Even
if it was a general guideline.
Any information will be
On Aug 7, 9:57 pm, [EMAIL PROTECTED] (Simon Riggs) wrote:
On Sun, 2007-08-05 at 03:45 -0700, Sergei Shelukhin wrote:
Is there any way to truncate WAL log in postgres?
We want to use full-backup strategy where we stop the server and copy
the data directory, however WAL log is taking dozens
I've installed postgresql 8.2 on a windows vista machine and are trying to
connect to it from another one.
the server has ip 192.168.1.100 and the client 192.168.1.102
As I understand it, I should make some configuration changes in pg_hba.conf
to make this happen.
Both machines has both ipv4 and
Hi
I'm trying to set up a new webserver running php and pgsql. PHP was
connecting to postgres but I needed to install the php-gd module and now I
get the error...
PHP Warning: pg_connect() [a
href='function.pg-connect'function.pg-connect/a]: Unable to connect to
PostgreSQL server: could
Thanks for the tip -- I'll check into it.
Sorry for top-posting but my email reader is challenged.
Greg Williamson
Senior DBA
GlobeXplorer LLC, a DigitalGlobe company
Confidentiality Notice: This e-mail message, including any attachments, is for
the sole use of the intended recipient(s) and
I want to to know if these two are functionally equivalent. Is this:
Create table users
(
userid BigSerial NOT NULL,
name Varchar(20),
primary key (userid)
) Without Oids;
Create table sales
(
saleid BigSerial NOT NULL,
userid Bigint NOT NULL,
On Aug 6, 3:44 pm, [EMAIL PROTECTED] (Ranieri Mazili) wrote:
Hello,
I have 2 questions.
1) Can I use a function that will return a string in a where clause like
bellow?
select *
from table
where my_function_making_where()
and another_field = 'another_think'
2) Can I use a
Hi
I am having problems installing Postgressql 8.2 on Windows Vista.
The first problem I had was related to the UAC which I now have turned
off. But the last problem is that the installer stops when it can't runt
initdb. At this stage it rolls back an removes any possibilities to run
initdb
I'm having an issue with a specific query, and I don't really know
where to start figuring out what's going on. I'm pretty new to
PostgreSQL in specific, and I'm not much of a database/SQL guru in
general. I've got one query that is consistently taking 10X longer to
run on a production machine
On Aug 7, 1:26 pm, Arthernan [EMAIL PROTECTED] wrote:
I want to learn how a real database works. And I am about to
start reading the Postgre source code.
Are there any online documents that may document the code? Even
if it was a general guideline.
Any information will
I have problem with permission, I need to use a user no SUPERUSER.
I use commands:
CREATE ROLE $USER LOGIN;
ALTER user $USER noCREATEDB NOCREATEROLE noCREATEUSER NOINHERIT;
ALTER USER $USER with password 'XX';
REVOKE create on SCHEMA public from public;
revoke all on schema PUBLIC FROM $USER;
I have a process that updates ~ 1500 rows in a table once a second. Every 5
minutes (almost exactly) the update takes ~ 15 seconds (normally 1). I
have run htop/top on the machine during this time period and do not see
anything unusual. I am running postgres 8.1.8 on a FC6 box.
Any type
If not, dump and restore the table.
Unfortunately we do not have adequate disk space, we wanted to reduce
the database size in order to back it up, cause there is no more space
for backups either 0_o
Is there any way to prevent
Dump restore - you mean pg_dump?
---(end
I want to learn how a real database works. And I am about to
start reading the Postgre source code.
Are there any online documents that may document the code? Even
if it was a general guideline.
Any information will be greatly appreciated.
Arturo Hernandez
On Tue, 7 Aug 2007, mr19 wrote:
I have a process that updates ~ 1500 rows in a table once a second. Every 5
minutes (almost exactly) the update takes ~ 15 seconds (normally 1).
Lots of updates will trigger checkpoints and, if you have auto-vacuum
turned on, regular vacuum activity--either
Keep an eye on pg_stat_activity and pg_locks to see if any lock
contention is going on.
mr19 wrote:
I have a process that updates ~ 1500 rows in a table once a second. Every 5
minutes (almost exactly) the update takes ~ 15 seconds (normally 1). I
have run htop/top on the machine during
Adam Endicott [EMAIL PROTECTED] writes:
When I run EXPLAIN ANALYZE on this query, it takes something like
1200ms on my desktop (Dual 2GHz G5 Mac - 1.5 GB RAM for reference) and
about 14000ms on the production server (quad processor, 8 GB RAM,
running Ubuntu). There are about 500 rows in the
mr19 wrote:
I have a process that updates ~ 1500 rows in a table once a second. Every 5
minutes (almost exactly) the update takes ~ 15 seconds (normally 1)
autovacuum_naptime perhaps?
Cheers,
Steve
---(end of broadcast)---
TIP 4: Have you
mr19 [EMAIL PROTECTED] writes:
I have a process that updates ~ 1500 rows in a table once a second. Every 5
minutes (almost exactly) the update takes ~ 15 seconds (normally 1).
Checkpoints?
I have run htop/top on the machine during this time period and do not see
anything unusual.
Try
Greg Smith [EMAIL PROTECTED] writes:
Try increasing checkpoint_warning in your postgresql.conf file to its
maximum of 3600 and restart the server when you can tolerate a small
service disruption;
You don't need a server restart to change checkpoint_warning --- SIGHUP
(pg_ctl reload) should
On Aug 8, 2007, at 6:08 PM, Decibel! wrote:
Something else I like to look at is pg_stat_all_tables seq_scan and
seq_tup_read. If seq_scan is a large number and seq_tup_read/
seq_scan is
also large, that indicates that you could use an index on that table.
If seq_tup_read / seq_scan is large
oops
On 8/9/07, Decibel! [EMAIL PROTECTED] wrote:
You forgot the list. :)
On Thu, Aug 09, 2007 at 05:29:18PM -0500, Scott Marlowe wrote:
On 8/9/07, Decibel! [EMAIL PROTECTED] wrote:
Also, a good RAID controller can spread reads out across both drives in
each mirror on a RAID10.
On 8/9/07, Greg Smith [EMAIL PROTECTED] wrote:
On Tue, 7 Aug 2007, mr19 wrote:
I have a process that updates ~ 1500 rows in a table once a second. Every 5
minutes (almost exactly) the update takes ~ 15 seconds (normally 1).
Lots of updates will trigger checkpoints and, if you have
On Jul 18, 11:50 am, [EMAIL PROTECTED] (Jim C. Nasby) wrote:
On Wed, Jul 18, 2007 at 11:30:48AM -0500, Scott Marlowe wrote:
EnterpriseDB, a commercially enhanced version of PostgreSQL can do
query parallelization, but it comes at a cost, and that cost is making
sure you have enough spindles
On Thu, 9 Aug 2007, Scott Marlowe wrote:
Wouldn't that be the other way around, set checkpoint_warning to 1 so
it triggers every time the checkpoint happens?
The log message appears if the checkpoints happen more frequently than the
value, so setting to 1 would only trigger a warning if you
Here's the output from explain analyze.
My desktop:
-
Unique (cost=6732.86..7380.50 rows=504 width=677) (actual
time=844.345..1148.705 rows=65 loops=1)
- Sort (cost=6732.86..6773.34 rows=16191 width=677) (actual
time=844.341..1099.446 rows=16191 loops=1)
Sort Key:
Adam Endicott [EMAIL PROTECTED] writes:
Here's the output from explain analyze.
Wow, so the differential is all in the sort step.
8.2 does have improved sorting code, but I don't think that explains
the difference, especially not for a mere 16000 rows to be sorted.
Do you have comparable
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