On Mon, Jun 18, 2012 at 11:36:14AM +0300, Achilleas Mantzios wrote:
Not talking about going to something after 8.3.19, just updating to
the latest 8.3 version. On most systems it's a simple:
sudo apt-get upgrade
or similar and sit back and watch.
Thanx, unfortunately
On Thu, May 19, 2011 at 09:39:54AM -0400, Emi Lu wrote:
All right, it seems that everyone thinks saving a pdf into postgresql
is not a good idea.
No.
As a summary, disadvantages are:
==
. Memory issue when read/save/retrieve the file
. Increase load
Those
On Wed, May 18, 2011 at 10:46:23PM +0200, Julien Cigar wrote:
Unless you've good reasons to do so it's best to store the file on
the file system
Why ?
If you suggest reasons are needed for storing the PDF in the
database I'd like to know the reasons for *not* doing so.
Karsten
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On Wed, May 18, 2011 at 11:21:43PM +0200, Julien Cigar wrote:
Unless you've good reasons to do so it's best to store the file on
the file system
Why ?
If you suggest reasons are needed for storing the PDF in the
database I'd like to know the reasons for *not* doing so.
It increases the
On Wed, Jul 23, 2008 at 12:35:08PM +0200, Maximilian Tyrtania wrote:
With your way (insert into f(a,b) values(default, default) returning *) i
need to know everything about the given table.
Hmm. Any ideas?
Do look at the information schema.
Karsten
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Speaking on behalf of the GNUmed schema.
The type of thing comes first for consistency.
primary key: pk
Some might argue pk_table_name is preferrable such that
in joins one ist not forced to use column aliases. We do
in such cases. The ... where table.pk = ... just seems
soo
In GNUmed we have created a function
gm_concat_table_structure()
in
http://cvs.savannah.gnu.org/viewcvs/gnumed/gnumed/server/sql/gmSchemaRevisionViews.sql?rev=1.6root=gnumedview=log
which returns a reproducable, human-readable TEXT
concatenation of all the relevant parts of
On Sun, Mar 05, 2006 at 12:02:58PM +0300, Nikolay Samokhvalov wrote:
Unfortunately, at the moment Postgres doesn't support subqueries in
CHECK constraints, so it's seems that you should use trigger to check
what you need
The OP could also use a check constraint with a function if
everything
On Fri, Mar 03, 2006 at 10:43:09AM +0100, ivan marchesini wrote:
I have fastly created a table in a postgresql database..
some columns where edited by hand (columns A, B, C), and some others
(columns D, E, F) have been calculated as a result of mathematical
equation (where the factors are the
On Fri, Mar 03, 2006 at 12:30:20PM +0100, ivan marchesini wrote:
another question...
is it possible to copy a table to a view and then back the view to a
table???
You need to read a basic textbook about what a view is.
Karsten
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On Sun, Feb 05, 2006 at 07:18:33PM -0700, Tony Wasson wrote:
I am maintaining an application that has over 400 procedures and functions
written in plsql, and around 100 tables.
I want to generate a function dependency chart to depict the following:
1. Inter function/procedure
On Tue, Aug 02, 2005 at 05:54:59PM -0700, Chris Travers wrote:
Hey, anyone know if it is possible to fire a trigger before a select?
I'm considering creating some tables which contain data summarized
from other tables as kind of a cache mechanism. The hope is I can
speed up some queries
Much like yourself, I have been searching for a way to create synonyms
in Postgres. I think that I have found a hack / solution to our
problem.
...
What I did, was to make use of the Postgres inheritance feature.
This in turn effectively creates an alias:
CREATE TABLE foo (bar int not
So what variable/function is the correct SQL-equivalent to ROW_COUNT and
can it be used in the following statement ?
like DELETE...; SELECT (ROW_COUNT0); to return a bool value?
SQL doesn't support that (although I suppose it could be made to with
some pg_rows_affected() function).
If
CREATE TYPE qwerty_UDT AS (abc INT);
CREATE TABLE t (col1 qwerty_UDT);
INSERT INTO t (col1) VALUES (qwerty_UDT(123));
ERROR: function qwerty_udt(integer) does not exist
HINT: No function matches the given name and argument types. You may need to
add explicit type casts.
Well,
Is it possible for an UPDATE/INSERT query string to function in such a
way that it requires two like fields in different tables to be equal
to/'in sync with' one another:
Example: I have two tables: registration schedules
they both record a class_id, start_date, end_date... I want
does postgresql have a datatype 'other' which in hsqldb is an Object? I
am trying to convert the table below into postgreSQL 8:
create table TIMERS (
TIMERID varchar(50) not null,
TARGETID varchar(50) not null,
INITIALDATE timestamp not null,
INTERVAL bigint,
INSTANCEPK
we're looking for a SQL database schema for bibliographical references.
the goal is to extract all the bibliographical references contained in
our various existing pgsql scientific databases in only one specific
database and to interconnect them with external keys and perl scripts.
Your
to
calculate something that isn't there yet. I am just trying to
join two views appropriately. I might have to employ some
variant of Celko's integer helper table but I'm not sure how
to proceed.
Karsten
Karsten Hilbert [EMAIL PROTECTED] 9/23 1:56p
Hello all,
yes, I know, row number
is
'boosters a patient has not been given yet according
to the schedules a patient is on and the previously
received vaccinations';
Thanks,
Karsten Hilbert, MD, PhD
GnuMed i18n coordinator
http://www.gnumed.org
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retrievable. I imagine a system whereby you define keywords and attributes
for them (attributes would be an episode date, or dosage, etc).
This is pretty much exactly what we are working on. We are
factoring out data into dedicated tables where that is
possible due to the structured nature of
simpler, as a first stage and easily implemented, give him some way he can
tag words and phrases he feels important. save these in a table along with a
foreign key identifying the source. as a second stage keep analysing the
words and phrases chosen and empirically build up a database of
This reminds me of a project I worked on many years ago, I was pretty much
fresh out of university writing a system for a large medical practice -
itwas principally for accounting purposes. I made lots of suggestions like
Josh's, only to get replies like Karsten's. I the progammer wanted to
Josh,
In other words, with surrogate keys, you eliminate the chance
that your original design was flawed due to lack of important
initial knowledge.
Well, you don't *eliminate* it, but you do decrease it.
I'd say, yes, this is an important 4th reason:
4) Your spec may be
On Fri, Jul 23, 2004 at 10:07:48AM -0400, Tom Lane wrote:
The other standard reason for using a made-up value as primary key is
that it's under your control and you can guarantee it isn't going to
change: one record will have the same primary key for its entire life,
which vastly simplifies
Just for the record, the GnuMed schema docs are done nightly
with PostgreSQL Autodoc in HTML mode:
http://www.rbt.ca/autodoc/
Karsten
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/schema/
Lot's of it isn't in the state yet where we want it but we are
getting there - or so I think.
Karsten Hilbert, MD, PhD
Leipzig, Germany
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Josh,
I reckon you are the one in the know so I'll take advantage of
that and ascertain myself of your advice.
I am the primary designer for the database schema of GnuMed
(www.gnumed.org) - a practice management application intended
to store medical data. Obviously we wouldn't want ambigous
Is this a possible area for future enhancements?
Yes.
Karsten
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TIP 8: explain analyze is your friend
and I can see whether a sequential scan or an index scan is
performed, but parsing the output of EXPLAIN programmatically
is nearly impossible. Anyway the words 'Index Scan' and 'Seq
Scan' can change without notice, maybe even from one locale to
another.
I think you are operating under the
WHERE
da_records.DESCRIPTION_CY ~* '.*Aberystwyth*.'
OR
da_records.TITLE_CY ~* '.*Aberystwyth*.'
limit 100
Is there a better way of matching the string? (Must be case
insensitive)
Are you sure you can't anchor the search pattern ?
eg ~* '^' || lower('Aberystwyth')
or Can i have varchar types of size 50 as primary keys in Postgres.
Yes. But unless the 50 character limit comes from a business rule, you
might want to use the type 'text'.
And if that limit does come from a business rule you might want
to think twice whether using columns constrained by
Dear friends,
Is there [...]
Please shed some light.
http://www.postgresql.org/docs/7.4/static/index.html
Thanks
You are welcome.
Karsten
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a) this is the wrong mailing list for your question
b) obviously, it doesn't like the , part (and possibly the
host part but that remains to be seen), try separating by
: or just space or whatever libpq docs say
c) any particular reason you don't use the Python DB API ?
Karsten
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GPG key
Hello,
I'm posting a function here in the hope others may find it useful
and/or correct my mistakes/make improvements :)
This creates a view of a remote table, using dblink:
...
Is there any existing site (a wiki for example) for posting PostgreSQL
specific tips?
The PG cookbook ?
I sent this to pgsql-general first but eventually figured this
list is the more appropriate venue for asking for help.
If this happens to be a FAQ item please briefly point me where
to go or what search terms to use in the archive.
First of all, yes I know that result rows don't have any
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