Hi!
In a mod_py application I wanna write a wrapper that handle all PSQL
data view with paging/slicing.
For example:
I have 1.500 records. I wanna show only N (f. ex: 15) records in the
view, other records are accessable with a pager (links):
[First, P-2, P-1, P, P+1 P+2, Last]
F. Ex:
durumdara wrote:
Hi!
In a mod_py application I wanna write a wrapper that handle all PSQL
data view with paging/slicing.
..
Inserts all records to a temp table.
Check the affected rows (as count).
Slicing the records.
Fetch the slice records.
Destroy temp table.
how about KEEPING the data
Hi Scott,
I agree, and I am doing the entity attribute model because I simply have to.
This table is used to persist data that is hold in user defined information
models. Kind of a domain specific language. The users continously create
these hierarchical structures, so neither the amount of them,
W dniu 22 kwietnia 2009 23:47 użytkownik Seref Arikan
serefari...@kurumsalteknoloji.com napisał:
Hi Filip,
First of all: thanks a lot for your kind response. Here is the create
script for my schema:
CREATE TABLE app.archetype_data (
id BIGINT NOT NULL,
context_id VARCHAR(1000),
On debian lenny, upgraded from etch, after stopping and dropping a cluster
with (pg_ctlcluster 8.1 name stop + pg_dropcluster 8.1 name, no errors), the
cluster still appears in the pg_lsclusters and i get the error: Use of
uninitialized value $info{owneruid} in getpwuid at /usr/bin/pg_lsclusters
On Wed, Apr 22, 2009 at 06:21:41PM -0600, Scott Marlowe wrote:
CREATE TABLE app.archetype_data (
id BIGINT NOT NULL,
context_id VARCHAR(1000),
archetype_name VARCHAR(1000),
archetype_path VARCHAR(1000),
name VARCHAR(1000),
value_string VARCHAR(1000),
value_int
On Thu, Apr 23, 2009 at 09:44:53AM +0100, Seref Arikan wrote:
I have worked with very capable DBAs before, and even though it has been
quite some time since I've done real DB work, I would like to invest in
postgresql as much as I can
Seref, if you can muster the man power to build archetypes
On Thu, 23 Apr 2009 11:00:59 +0200
Karsten Hilbert karsten.hilb...@gmx.net wrote:
On Thu, Apr 23, 2009 at 12:02:13AM +0100, Seref Arikan wrote:
I have a set of dynamically composed objects represented in
Java, with string values for various attributes, which have
variable length. In case
On Thu, Apr 23, 2009 at 11:33:34AM +0200, Ivan Sergio Borgonovo wrote:
Karsten Hilbert karsten.hilb...@gmx.net wrote:
On Thu, Apr 23, 2009 at 12:02:13AM +0100, Seref Arikan wrote:
I have a set of dynamically composed objects represented in
Java, with string values for various
Hi!
2009.04.23. 9:23 keltezéssel, John R Pierce írta:
durumdara wrote:
Hi!
In a mod_py application I wanna write a wrapper that handle all PSQL
data view with paging/slicing.
..
Inserts all records to a temp table.
Check the affected rows (as count).
Slicing the records.
Fetch the slice
On Thu, Apr 23, 2009 at 12:02:13AM +0100, Seref Arikan wrote:
I have a set of dynamically composed objects represented in Java, with
string values for various attributes, which have variable length. In case
you have suggestions for a better type for this case, it would be my
pleasure to hear
On Thu, 23 Apr 2009 12:00:30 +0200
Karsten Hilbert karsten.hilb...@gmx.net wrote:
On Thu, Apr 23, 2009 at 11:33:34AM +0200, Ivan Sergio Borgonovo
wrote:
Karsten Hilbert karsten.hilb...@gmx.net wrote:
On Thu, Apr 23, 2009 at 12:02:13AM +0100, Seref Arikan wrote:
I have a set of
essentially you are trying to store a database in a database, and
that's slow for one.
Second, storing things as varchar is space and index (space)
ineffective - and that's another reason to make things slower.
Third - you need to complicate your logic to retrieve data, and that adds up.
text is
We are now working on database check mechanism in our application. The
situation is when server shutdown abnormally, the postmaster.pid file
still exists when reboot, But the PostgreSQL database itself may not be
damaged. We just do not want to restore from backups when the database
is still good
Willy-Bas Loos escribió:
On debian lenny, upgraded from etch, after stopping and dropping a cluster
with (pg_ctlcluster 8.1 name stop + pg_dropcluster 8.1 name, no errors), the
cluster still appears in the pg_lsclusters and i get the error: Use of
uninitialized value $info{owneruid} in
On Thu, Apr 23, 2009 at 01:21:05PM +0200, Ivan Sergio Borgonovo wrote:
I'll try to rephrase to check if I understood and for reference.
varchar is slower than text since it has to do some data type
check.
Yes but no. It is said to be slower because it has to do a
data length check, not a
Is this possible without having to pass in the _ref parameter?
Thanks
Ryan
On Wed, Apr 22, 2009 at 12:29 PM, rw...@uci.edu wrote:
If I have built a dynamic sql statement in a function, how do i return
it
as a ref cursor?
CREATE FUNCTION reffunc(_ref) RETURNS refcursor AS
$$
BEGIN
I had a test system (read as not backed up, sigh) which had the disk
go full while PostgreSQL was loaded, consequently, PostgreSQL will no
longer start.
It is logging an error about detecting an invalid shutdown, trying to
replay something, and then an error about not being able to open a
file it
ok, i did.
Bug#525294: postgresql-common: pg_lsclusters error after pg_dropcluster
On Thu, Apr 23, 2009 at 3:29 PM, Alvaro Herrera
alvhe...@commandprompt.comwrote:
Willy-Bas Loos escribió:
On debian lenny, upgraded from etch, after stopping and dropping a
cluster
with (pg_ctlcluster 8.1
On Thursday 23 April 2009 18:30:27 Dan Armbrust wrote:
I had a test system (read as not backed up, sigh) which had the disk
go full while PostgreSQL was loaded, consequently, PostgreSQL will no
longer start.
It is logging an error about detecting an invalid shutdown, trying to
replay
Thanks! I just created new database using old database as template,
and everything got copied over without errors. is that recommended
over pg_dump though when just recreating database for different
encoding?
http://www.postgresql.org/docs/8.1/interactive/manage-ag-templatedbs.html
On Wed, Apr
In general, pg_resetxlog would be
the tool to try here. Don't panic yet. ;-)
Yep, that was the command I was looking for. That at least got the DB
to a point where it would start, and I was able to do a dump.
So, I dumped and reloaded all of the databases. Things seem fine, but
bits and
Yes.
Some things like duplicate primary key can exist in pg_resetxlog-ed db.
So, dump db and restore it again on clean initialized cluster.
Regards
Milos
On Thu, Apr 23, 2009 at 8:25 PM, Dan Armbrust
daniel.armbrust.l...@gmail.com wrote:
In general, pg_resetxlog would be
the tool to try
is it recommended to change encodings for template0 and template1 to
utf8 (by recreating databases) for 8.1?
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zach cruise zachc1...@gmail.com writes:
Thanks! I just created new database using old database as template,
and everything got copied over without errors. is that recommended
over pg_dump though when just recreating database for different
encoding?
It's pretty much guaranteed not to work,
On Thu, Apr 23, 2009 at 11:36 AM, rw...@uci.edu wrote:
On Wed, Apr 22, 2009 at 12:29 PM, rw...@uci.edu wrote:
If I have built a dynamic sql statement in a function, how do i return
it
as a ref cursor?
CREATE FUNCTION reffunc(_ref) RETURNS refcursor AS
$$
BEGIN
OPEN _ref FOR execute
Hi.
I'm using PostgreSQL 8.3 with PHP's pgsql module (libpq 8.3.7). When
the server's standard_conforming_strings setting is off (this is
currently still the default, I believe), I use something like this to
escape strings:
if ($escWildcards) {
$str = strtr($str, array(% = '\%', _ =
Hello,
I'm managing a pgsql-django-mod_python-apache machine that serves no
media, but handles postgres, memcached and apache all by itself.
Recently I've begun drawing too many open files in the system errors, as
seen in the subject line.
Browsing the postgres documentation, I suspect that I
On Thursday 23 April 2009 20:33:56 zach cruise wrote:
is it recommended to change encodings for template0 and template1 to
utf8 (by recreating databases) for 8.1?
Not if you don't have a specific reason for doing so.
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Conrad Lender crlen...@gmail.com writes:
I'm using PostgreSQL 8.3 with PHP's pgsql module (libpq 8.3.7). When
the server's standard_conforming_strings setting is off (this is
currently still the default, I believe), I use something like this to
escape strings:
if ($escWildcards) {
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Tom,
thanks for your reply.
On 24/04/09 00:56, Tom Lane wrote:
if ($escWildcards) {
$str = strtr($str, array(% = '\%', _ = '\_'));
}
return E' . pg_escape_string($str) . ';
The above cannot possibly work. pg_escape_string is generating what it
supposes to be a normal string
Chen, Dongdong (GE Healthcare) wrote:
We are now working on database check mechanism in our application. The
situation is when server shutdown abnormally, the postmaster.pid file
still exists when reboot, But the PostgreSQL database itself may not be
damaged. We just do not want to restore
What is the mechanism about automatic recovery when startup? I read the
PostgreSQL document and didnt find anything about this. can you specify
that, pls?
Thank you so much!
B.R.
ChenDongdong
-Original Message-
From: Alvaro Herrera [mailto:alvhe...@commandprompt.com]
Sent: Friday,
On Fri, 2009-04-24 at 09:03 +0800, Chen, Dongdong (GE Healthcare) wrote:
What is the mechanism about automatic recovery when startup? I read the
PostgreSQL document and didnt find anything about this. can you specify
that, pls?
http://www.postgresql.org/docs/8.3/static/wal-intro.html
On Thu, 2009-04-23 at 21:33 +0200, Conrad Lender wrote:
Hi.
I would like our database abstraction to be able to handle both settings
for standard_conforming_strings transparently, i.e. perform the escaping
according to the current DB server settings. Since pg_escape_string() is
aware of the
I wanna know if there is any way or tool to detect the DB data loss or
damage and inform developer the result before recovery? If there is
data loss, the DB could still open or not ?
Sometimes even if shutdown abnormally, the data still keep in good
condition.
Thanks for your help!
B.R.
On Thu, Apr 23, 2009 at 8:24 PM, Chen, Dongdong (GE Healthcare)
dongdongc...@ge.com wrote:
I wanna know if there is any way or tool to detect the DB data loss or
damage and inform developer the result before recovery? If there is
data loss, the DB could still open or not ?
Sometimes even if
Hi guys, I am back after a long time of doing other kinds of work. Don't know
if anybody remembers me - not a biggee.
I am again working on a design of a web application for myself. Security seems
MUCH more of an issue, EVERY day.
So I had these to suggestions/feature requests.
To prevent
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