Thomas Kellerer wrote:
Merlin Moncure wrote on 05.04.2007 23:24:
I think most reasons why not to store binaries in the
database boil down to performance.
Having implemented an application where the files were stored in the
filesystem instead of the database I have to say, with my experience
Nikolay Moskvichev wrote:
Hi All!
Question is : How suitable PG for storing about 2 000 000 binary files
0,5-2,0 Mb size each ? It is not planned the big number of clients or a
plenty of updatings. Like photoalbum on local host.
In our CMS we store all page data in the database - either
On Thu, Apr 05, 2007 at 06:46:27PM -0300, Carlos H. Reimer wrote:
Hi,
I was trying to find the docs about the collating sequence standards but
could not find.
Would like to know for example which characters are ignored by the order
by in some of the collating types.
There are no
On Fri, Apr 06, 2007 at 03:52:17AM +0200, Rikard Pavelic wrote:
When I select from this function I get an error
ERROR: record red has no field id
[...]
create function select_ex1(out id int, out name1 varchar, out value1
int) returns setof record as
$$
declare red record;
begin
for
Hi!
I need to make database synchronization. I know slone-i to deal with it, but
I need real time replication, without any trigers with db structure setup.
Can someone recommend me some alternative for slone-i? It can be some
commercial stuff too.
Thanks a lot.
I'm wondering where the differences are in running two different
types of SQL statements.
Given ~300 tokens/words I can either run 1 sql statement with a large
list in a WHERE foo IN (...300 tokens...)
or I can run ~300 statements, one for each token.
In the first case, the SQL is not
Tom,
have you seen contrib/intarray ?
Oleg
On Fri, 6 Apr 2007, tom wrote:
I'm wondering where the differences are in running two different types of SQL
statements.
Given ~300 tokens/words I can either run 1 sql statement with a large list in
a WHERE foo IN (...300 tokens...)
or I can run
If I read this right, intarray is for reading values from an array
data type.
I don't have this.
I have a varchar() field that is indexed (unique), call it 'foo'
I have a choice of running:
SELECT bar FROM tokens WHERE foo IN ('apple','orange','biscuit')
for up to ~300 words
OR
Aha,
then why not use gin index for text[] ?
see, for example, my testing
http://www.sai.msu.su/~megera/wiki/GinTest
oleg
On Fri, 6 Apr 2007, tom wrote:
If I read this right, intarray is for reading values from an array data type.
I don't have this.
I have a varchar() field that is indexed
I have a choice of running:
SELECT bar FROM tokens WHERE foo IN ('apple','orange','biscuit') for
up to ~300 words
OR
SELECT bar FROM tokens WHERE foo = 'apple' up to ~300 times as a
prepared/cached SQL statements.
With new PG versions you can also use VALUES which will save you
On Fri, Mar 16, 2007 at 15:55:15 +0100,
Robin Ericsson [EMAIL PROTECTED] wrote:
On 3/16/07, Tom Lane [EMAIL PROTECTED] wrote:
Robin Ericsson [EMAIL PROTECTED] writes:
Yes, I've looked at those, I was thinking that point looked like a
good type, but it's only 2d, so maybe I need a hint on
Postgres User пишет:
I recently heard from Josh Berkus that at least one major CMS
application uses Postgres to store entire HTML pages (including image
files) in order to support full versioning.
As a general rule, I prefer not to store BLOBS in a DB- I'd rather
leave the BLOB in the file
I know you've probably discussed this in many places, but I have a crash
right now I need to recover from, and I'm not finding documentation that
fast.
Where should I go?
Here are the details on starting, after a kill -9 of a process brought
Postgres down.
Is there a page/s with information
How does one suppress NOTICE messages from appearing in stderr? I
have the following command and it appears that setting
client_min_messages to WARNING does not work.
psql -U postgres -d mytestdb -f mytest.sql -v
client_min_messages=WARNING -W
---(end of
Hallo List,
I am bit stuck as a postgresql newbie with the definition of schemas. I am
setting up a geodatabase with postgis under windows plattform - wapp strategy -
and I would like to have several schemas within one database. Schema names
should corresponde to the name of a group roles each
Naz Gassiep пишет:
This doesn't answer your question, but I thought I'd throw my opinion in
anyway.
My personal view is that in general, binary files have no place in
databases. Filesystems are for files, databases are for data. My design
choice is to store the files in a fileystem and use
Thanks :)
As for pt3, I don't have the database I will use yet so it's hard to
test :(
---(end of broadcast)---
TIP 6: explain analyze is your friend
You don't like filesystems ?
You know file system which supports SQL, referential integrity, and
managed transactions ?
---(end of broadcast)---
TIP 3: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faq
Harvey, Allan AC пишет:
I find it fine. Bit different usage though.
I store about 200 50MB items.
Thanks
---(end of broadcast)---
TIP 3: Have you checked our extensive FAQ?
http://www.postgresql.org/docs/faq
Hello,
I've just compiled an instance of Postgresql 8.2.3 on a new linux box
and have added some databases to it. I've noticed however that the
autovacuum is not running. I have turned on the autovacuum,
stats_start_collector, and stats_row_level and still the autovacuum is
not running.
Can
This doesn't answer your question, but I thought I'd throw my opinion in
anyway.
My personal view is that in general, binary files have no place in
databases. Filesystems are for files, databases are for data. My design
choice is to store the files in a fileystem and use the database to
Hi,
I have a question regarding postgres 8.2 handling of timezones.
I receive posts of unix timestamps and convert them and save them to a
timestamptz(0). I've read the docs on this, timestamptz stores
internally as utc. The date is formatted per local time on display.
If ruby and python tell
Hello,
Thanks a lot for your answers! But I don't need a sequence which only
will be incremented. I need a _real_ GUID just as the newid()
function. Is there no way to generate such a GUID?
I need a real GUID because I use them further in my host app. And my
host app relies on it.
Thanks for
On 4/5/07, Listmail [EMAIL PROTECTED] wrote:
On 4/5/07, Michelle Konzack [EMAIL PROTECTED] wrote:
Am 2007-04-01 12:05:44, schrieb Leonel:
and once you downloaded the packages do a :
apt-get build-deps postgresql-8.1
Are you sure? -- It should be:
You don't have the build-dep
Hi,
tom wrote:
Initially it seems that the WHERE IN (...) approach takes a turn for the
worse when the list gets very large.
What version do you use? PostgreSQL 8.2 had great improvements for that
specific issue. Did you try EXPLAIN?
Regards
Markus
---(end of
Hi,
Can i have more than one trigger on one single table. Actually I want 2
different events to take place simultaneously and independently after
insert.
~Harpreet.
O.B. [EMAIL PROTECTED] writes:
How does one suppress NOTICE messages from appearing in stderr? I
have the following command and it appears that setting
client_min_messages to WARNING does not work.
psql -U postgres -d mytestdb -f mytest.sql -v
client_min_messages=WARNING -W
You seem to be
Danny Armstrong [EMAIL PROTECTED] writes:
What am I misunderstanding and how do I get it to interpret the value as
utc and then not offset it when I view it, like python and ruby do?
What you're misunderstanding is that you messed up the data when you put
it into the database, probably by
Schwenker, Stephen [EMAIL PROTECTED] writes:
I've just compiled an instance of Postgresql 8.2.3 on a new linux box
and have added some databases to it. I've noticed however that the
autovacuum is not running.
How sure are you of that? Check pg_stat_all_tables to see if the
last_autovacuum
On Thu, Apr 05, 2007 at 05:52:02PM -0700, Danny Armstrong wrote:
If ruby and python tell me the value I just inserted into the db,
1174773136, is Sat Mar 24 21:52:16 UTC 2007, then I expect that
set time zone 0; -- format as though I'm in utc
select measurement_time
from table
will also
On Fri, Apr 06, 2007 at 01:10:13PM -0400, Harpreet Dhaliwal wrote:
Can i have more than one trigger on one single table. Actually I want 2
different events to take place simultaneously and independently after
insert.
What happened when you tried it?
--
Michael Fuhr
On Fri, 06 Apr 2007 18:45:15 +0200, Markus Schiltknecht
[EMAIL PROTECTED] wrote:
Hi,
tom wrote:
Initially it seems that the WHERE IN (...) approach takes a turn for
the worse when the list gets very large.
Since I use this a lot on webpages, I thought maybe a little benchmark is
in
I've never seen this before.
Is this PG specific or generic SQL that I've never been exposed to?
On Apr 6, 2007, at 10:08 AM, Listmail wrote:
I have a choice of running:
SELECT bar FROM tokens WHERE foo IN
('apple','orange','biscuit') for up to ~300 words
OR
SELECT bar FROM
I've never seen this before.
Is this PG specific or generic SQL that I've never been exposed to?
http://www.postgresql.org/docs/8.2/interactive/sql-values.html
VALUES conforms to the SQL standard, except that LIMIT and OFFSET are
PostgreSQL extensions.
It doesn't seem like much
tom [EMAIL PROTECTED] writes:
I've never seen this before.
Is this PG specific or generic SQL that I've never been exposed to?
It's in the SQL standard. SQL92 saith
table value constructor ::=
VALUES table value constructor list
table value constructor list
Hi,
Lately i was searching for a way I could reindex all my keys. Primary Keys
in particular.
Really didn't find any manual that could guide me through.
Reason i wanted to reindex my PK is that whenever i insert a record in the
table, even though that record is unique, i get an error saying
In response to Harpreet Dhaliwal [EMAIL PROTECTED]:
Hi,
Lately i was searching for a way I could reindex all my keys. Primary Keys
in particular.
Really didn't find any manual that could guide me through.
Reason i wanted to reindex my PK is that whenever i insert a record in the
table,
In response to Jaime Silvela [EMAIL PROTECTED]:
I know you've probably discussed this in many places, but I have a crash
right now I need to recover from, and I'm not finding documentation that
fast.
Where should I go?
Here are the details on starting, after a kill -9 of a process
Hi,
There are some performance issues I am still confused over.
I've got a Linux box, raid1, 1GB memory
CPU-wise the server is mostly idle
PG 8.0.10,
shared_buffers = 1
work_mem = 16348
maintenance_work_mem = 65536
Parameters are tweaked without much difference.
The following query is
On Fri, 2007-04-06 at 12:47 +0200, Dominik Żyła wrote:
Hi!
I need to make database synchronization. I know slone-i to deal with
it, but I need real time replication, without any trigers with db
structure setup. Can someone recommend me some alternative for slone-
i? It can be some commercial
Marcus Engene [EMAIL PROTECTED] writes:
- Index Scan using apa_item_common_x1 on apa_item_common aic
(cost=0.00..4956.68 rows=1174 width=8) (actual time=19.854..9557.606
rows=1226 loops=1)
If the table only has 12000 rows then it should never have used an index
scan here at all
For the first time, I find myself wanting to use some of PG's
concurrency control stuff, and I could use some advice.
I have requests showing up in a database, and I have one or more
servers picking these up with listen/notice. The requests go into a
table with a status column, which is
This is some good stuff and I can use the explain analyze going forward.
But I can't get these VALUES queries to work.
I checked and I am on version 8.1. but I think from the docs that I
should still be able to do this.
queue= select t.* from test t, (values(4, 23,84884,1,324234)) as v
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