On 07/01/2014 06:03 PM, Rich Shepard
wrote:
On Tue, 1 Jul 2014, hubert depesz lubaczewski wrote:
That depends. For example - for system
that will have 5 users, and
requires strict security policies - it would make sense. On the
update contacts set addr_id=b.addr_id
from
(select distinct(cus_acno), contact.con_id, address.addr_id from
address join person using (addr_id) join cus using (per_id) join
link_contact using (cus_acno) join contact using (con_id) where
contact.addr_id is
On 05/08/2014 02:09 PM, Vincent de
Phily wrote:
The problem is that sometimes (once every few days at about 2-300K queries per
day) I get many more rows than the max 5000 I asked for (I've seen up to 25k).
And I'm getting timeouts and other problems as a result.
What I have done in the past to build a
generic reporting application is to have the function write the
results you want in a table and return the tablename and then have
the client code call select * from that table.
My standard report tablename is
My bet is you have either another line
in the pg_hba that says trust
or you saved the password and forgot.
Sim
On 05/07/2014 05:33 PM, Ravi Roy wrote:
Hi,
I'm sorry if this question have been asked earlier,
Postgresql 9.3
I am downloading data that I want to import into a table. The data
comes in tab delimited, CRLF format.
I am using plpython to get the data and I wanted to use copy with
stdin to import it without having to save it to a file.
To do this, I am setting
Do you have a unique key on
site,variable?
If not, what do you want in the treatment column if there are rows
for both treatments X and Y or 2 Xs for a specific site and
variable?
If your data makes sense, you can pivot table t1 and then full
I have experience with LIsten/Notify
and as you mention the only problem is that I need a server side
client that calls the listen and then calls a db function on the
notify.
One thought I had to do this completely in the database is to
right notify
On 10/16/2012 07:49 AM, Raghavendra
wrote:
On Tue, Oct 16, 2012 at 11:01 AM, Sim
Zacks s...@compulab.co.il
wrote:
On 10/15/2012 06:11 PM, rektide wrote:
Hi
On 10/15/2012 02:54 PM, P. Broennimann
wrote:
Hi there
1) Can a Pg/SQL function
"listen" for a notification sent from an external instance?
I would
like my stored function to pause/wait and continue its
execution
On 10/15/2012 06:11 PM, rektide wrote:
Hi pgsql-general,
I'm interested in writing a supervisory process that can insure worker processes are
running/spawn new ones if not. These workers will mainly be responsible for LISTENing to
the db, which is emitting
On 10/10/2012 10:47 AM, Vineet Deodhar
wrote:
Hi !
At present, I am using MySQL as backend for my work.
Because of the licensing implications, I am considering to shift
from MySQL to pgsql.
Typically, my apps are multi-user, web based or LAN based.
I haven't checked more recent versions,
but in 8.2 using
case when new.val is null then 'U' else new.val end
worked a hell of a lot faster then coalesce.
However, just going into the trigger is significant overhead.
Alban's suggestion of using a
You are moving to a dedicated server for a reason, most probably
performance.
The intro section of the document should discuss the reasons you are
moving and what you hope to accomplish.
Hardware - The discuss the new platform that you are moving to, in terms
of how it will perform better.
I've seen written that a b-tree index can't be used on a join with an
OR. Is there a way to optimize a join so that it can use an index for a
query such as:
select
a.partid,a.duedate,coalesce(a.quantity,0)+sum(coalesce(b.quantity,0))
from stat_allocated_components a
left join
Postgresql 8.2
I want to update a table with a from that has mutliple rows joining to
it. According to the docs, this is not advisable because:
If it does, then only one of the join rows will be used to update the
target row, but which one will be used is not readily predictable.
In my tests,
In my tests, if the joined rows are sorted it always updates with the
first row. Does anyone have any other experiences, or should I be
concerned that at some point it will behave differently?
I checked my tests again. It always uses the last one, not the first one.
Sim
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On 01/23/2012 04:34 PM, Alban Hertroys wrote:
On 23 January 2012 14:48, Sim Zacks s...@compulab.co.il wrote:
In my tests, if the joined rows are sorted it always updates with the
first row. Does anyone have any other experiences, or should I be
concerned that at some point it will behave
On 01/23/2012 05:13 PM, Adrian Klaver wrote:
I guess the primary question here is, what are you trying to achieve?
Do want a particular row to supply the values to the target table i.e the row
with the most timestamp?
What is the query you are using?
The query returns a partid, unitprice
On 01/23/2012 07:10 PM, Adrian Klaver wrote:
On Monday, January 23, 2012 7:32:35 am Sim Zacks wrote:
On 01/23/2012 05:13 PM, Adrian Klaver wrote:
When I throw in code to make the select only return the correct rows
The select statement takes 9 secs by itself:
select a.partid,a.deliverywks
On 11/05/2011 05:36 PM, Andrus wrote:
8.1+ database contains separate schemas for every
company named company1, company2, companyi.
order tables in those schemas contain trigger like for company1:
CREATE OR REPLACE FUNCTION
On 10/29/2011 12:53 PM, Szymon Guz wrote:
Hi,
according to this part of documentation:
http://www.postgresql.org/docs/9.1/interactive/sql-syntax-lexical.html#SQL-
SYNTAX-IDENTIFIERS
if I select some names from database and
On 10/05/2011 05:27 PM, Alexander Farber wrote:
Thank you Michael, but no -
On Wed, Oct 5, 2011 at 5:24 PM, Michael Glaesemann g...@seespotcode.net wrote:
psql:pref-2011-10-05-a.sql:339: ERROR: function "pref_update_match"
already exists with same
Maybe I'm misunderstanding something, but isn't such a sql file an
extension or is 95% of the way there? Pyrseas is already distributed
via PGXN, but like some other PGXN extensions (dbi-link?), it doesn't
actually create functions in the database. Its two utilities run
entirely as external
On 09/30/2011 05:10 AM, Joe Abbate wrote:
Although there are no discussions or examples in the documentation, I've
determined that PL/Python supports Python new style classes like class
Test(object), and import of standard modules.
Now, in order for to_yaml/to_map to do its
On 09/15/2011 09:13 AM, Siva Palanisamy wrote:
Hi All,
I wish to return an array of values.
Assume, I have a table called contacts. I want to display all
the names available from a column in the UI. Hence I
The problem with trust is that it means that any user can type in any
other users login name and get access without knowing his password. Even
if your app is the only access point to the database, you still have to
worry about a user installing psql or other client onto his desktop and
On 09/11/2011 02:58 PM, mgo...@isstrucksoftware.net wrote:
Sim,
Thanks, our users can only get to the application(s) they have on
their citrix menu. They are locked out of the servers otherwise. I
haven't had a problem in the past 20 years with another db back end
but I do think that on
On 09/08/2011 03:15 PM, Joy Smith wrote:
Hello Chris, yes that does seem to be a lot cleaner -
though it does one thing that is not right -
ie)
add to the previous data
insert into modvalues
(parties,baloons,color,dayofpurchase,amountpur) values
On 09/05/2011 12:38 PM, Pau Marc Muoz Torres wrote:
Hi follk
i trying to performe a conditional insert into a table, indeed,
what i'm trying to do is not insert a record into the table if
that record exist
googleling i found something like
On 09/05/2011 01:37 PM, Pau Marc Muoz Torres wrote:
i don't see it clear, let me put an example
i got the following table
molec varchar(30)
seq varchar(100)
where I insert my values
lets image that i have a record introduced
I thought about using dblink and the EXCEPT query, but then I need to
know the field list of each query result, which is a pain in the butt.
That is not correct. As long as the table definitions are precisely
the same, you can move records across dblink without specifying
fields. You do this
Tested in 8.2 and 9.0.1
In plpgsql, if you have a function parameter and a variable of the
same name, it ignores the value passed in and initializes the
variable to null.
The correct action, IMO, would be to raise an error.
create or replace function test1(x
On 09/01/2011 01:39 AM, Marcos Hercules Santos wrote:
hi guys
I'm newbie in Psql and I'm trying to build one function in order to
count the products for each supplier. So i'm gonna put it quite simply
though this example
Please, consider a table called books with the
On 09/01/2011 09:58 AM, Pavel Stehule wrote:
2011/9/1 Sim Zacks s...@compulab.co.il:
Tested in 8.2 and 9.0.1
In plpgsql, if you have a function parameter and a variable of the same
name, it ignores the value passed in and initializes the variable to null
Is there a way to get an md5 or other hash of an entire table?
I want to be able to easily compare 2 tables in different databases.
I thought about using dblink and the EXCEPT query, but then I need to
know the field list of each query result, which is a pain in the butt.
If I could return
On 09/01/2011 12:26 PM, Pavel Stehule wrote:
Hello
postgres=# create table tt(a int, b varchar);
CREATE TABLE
postgres=# insert into tt values(10,'hello');
INSERT 0 1
postgres=# select md5(array_to_string(array_agg(md5(tt::text)),'')) from tt;
md5
I am not sure if this will work, but you can try it
http://www.pgsql.cz/index.php/PostgreSQL_SQL_Tricks#Cast_to_varchar
Pavel
I appreciate your help, but UDTs don't have input/ouput functions
unless you define them manually and I need this for all of
On 09/01/2011 01:35 PM, Grzegorz Jaśkiewicz wrote:
On Thu, Sep 1, 2011 at 11:14 AM, Sim Zacks s...@compulab.co.il wrote:
On 09/01/2011 12:26 PM, Pavel Stehule wrote:
Hello
postgres=# create table tt(a int, b varchar);
CREATE TABLE
OP:
I thought about using dblink and the EXCEPT query, but then I need to know the
field list of each query result, which is a pain in the butt.
That is not correct. As long as the table definitions are precisely
the same, you can move records across dblink without specifying
fields. You
select version()
PostgreSQL 8.2.19 on i686-pc-linux-gnu, compiled by GCC gcc (Debian
4.3.2-1.1) 4.3.2
Before you jump down my throat about bad design, this is a reporting
table that is generated based on what the users want to see in their
rows and columns. (I'm basically generating a
On a machine with lots of memory, I've run into pathological behaviour
with both the RHEL 5 and Ubuntu 10.04 kernels where the kswapd starts
eating up CPU and swap io like mad, while doing essentially nothing.
Setting swappiness to 0 delayed this behaviour but did not stop
Yes, a few hundred MB of swap, and its definitely making a huge
difference. Upon restarting postgres, its all freed up, and then perf
is good again. Also, this box only has 1GB of swap total, so its
never going to get up a few dozen GB.
Anyway, here's some of top output
On 08/18/2011 07:57 AM, Chris Travers wrote:
On Wed, Aug 17, 2011 at 9:38 PM, Sim Zacks s...@compulab.co.il wrote:
The point was not whether I have a bug in an external application, the point
is that I need an external application which creates more overhead
On 08/16/2011 03:06 AM, Craig Ringer wrote:
On 15/08/2011 10:36 PM, Merlin Moncure wrote:
On Sat, Aug 13, 2011 at 2:30 PM, Andreas Joseph Krogh
andr...@officenet.no wrote:
No, PG has never, and will never, act as an application-server.
Why in the world not?
The biggest reason is safety.
On 08/15/2011 11:50 PM, Chris Travers wrote:
On Mon, Aug 15, 2011 at 1:44 PM, Darren Duncandar...@darrenduncan.net wrote:
I believe that it is ideal for Postgres to be computationally complete in
that one *could* use it to implement a complete application. That isn't to
say one should do
On 08/16/2011 07:04 AM, Darren Duncan wrote:
Chris Travers wrote:
On Mon, Aug 15, 2011 at 3:47 PM, Darren Duncan
dar...@darrenduncan.net wrote:
I believe we basically have all the foundation already, with maybe
procedures executable outside transactions being the last major part.
Why is this
On 08/17/2011 06:13 PM, Chris Travers wrote:
On Tue, Aug 16, 2011 at 11:53 PM, Sim Zacks s...@compulab.co.il wrote:
We are doing this same sort of thing now. If the transaction goes through,
the email record gets written to a table. We have a cron job
On 08/17/2011 05:34 PM, Scott Ribe wrote:
On Aug 17, 2011, at 1:05 AM, Sim Zacks wrote:
One problem we have with LISTEN/NOTIFY (and I haven't found the cause for this yet) is every once in a while my daemon stops listening. It may be after a month of use
On 08/14/2011 05:39 PM, W. Matthew Wilson wrote:
Is there anything dangerous about making temporary tables in this way?
Matt
The only dangerous thing I have encountered with temp tables is
that the planner compiles the table oid into the plan and if you
On 08/05/2011 07:32 PM, jeffrey wrote:
I have a table that looks like this:
homeidcity date measurement pre/post
123 san francisco 1/2/2003 1458 pre
123 san francisco NULL 1932 post
124 los angeles2/4/2005 938
We are in the process of building regression tests for our 700+ functions.
I hope to have it finished in about 6 months.
Sim
On 07/31/2011 08:31 AM, Jaime Casanova wrote:
2011/7/30 Sim Zackss...@compulab.co.il:
On 07/28/2011 05:11 PM, Tom Lane wrote:
Merlin Moncuremmonc...@gmail.com
On 07/31/2011 09:48 AM, Chris Travers wrote:
On Sat, Jul 30, 2011 at 9:50 PM, Sim Zackss...@compulab.co.il wrote:
On one hand the hole can't be plugged because as you mentioned that is the
point of the function. On the other hand, if the function is not being run
as security definer, the
On 07/28/2011 05:11 PM, Tom Lane wrote:
Merlin Moncuremmonc...@gmail.com writes:
Couple points:
*) why a special case for boolean values?
That seemed weird to me too ...
I'm using 8.2 and cannot cast type boolean to text
*) this should be immutable
What if the passed expression is
On 07/28/2011 06:28 PM, Chris Travers wrote:
On Thu, Jul 28, 2011 at 8:08 AM, David Johnstonpol...@yahoo.com wrote:
At best, based upon the example using current_timestamp(), you could only
mark it as being stable, right?
Also not mentioned; what risk is there of this function being hacked?
I need an eval function that will evaluate a valid SQL expression and
return the value.
I've seen variations of this asked before with no real answer.
I wrote a function to handle it, but it looks like there should be a
better way to do this (see below).
My use case is a table with date
On 07/27/2011 07:18 PM, Karl Nack wrote:
The best option is to use exceptions to communicate to the application
what went wrong and then allow the application to handle those
exceptions in many cases. In other cases, the application may need to
know which inputs are mandatory.
So other than
On 07/25/2011 06:24 PM, Chris Travers wrote:
On Sun, Jul 24, 2011 at 11:53 PM, Sim Zackss...@compulab.co.il wrote:
The goal is to make our system client agnostic, Most of our GUI is written
in wxpython, we also have some web functions and even a barcode terminal
function, written in C#. We
On 07/24/2011 06:58 PM, Chris Travers wrote:
On Sat, Jul 23, 2011 at 11:44 PM, Sim Zackss...@compulab.co.il wrote:
I gave a talk on using postgresql as an application server at PG East in
March.
Basically, we try to implement all business logic using functions, using
plpythonu when
On 07/25/2011 11:06 AM, Frank Lanitz wrote:
Am 22.07.2011 21:15, schrieb Karl Nack:
to move as much business/transactional logic as
possible into the database, so that client applications become little
more than moving data into and out of the database using a well-defined
API, most commonly
A lot of applications don't actually have a database role per user.
There is an application user who logs into the database and the
application handles application logins through a users table in the
database. That way the only thing that the user has access to is the
application and not the
I gave a talk on using postgresql as an application server at PG East
in March.
Basically, we try to implement all business logic using functions, using
plpythonu when necessary.
For example, we have functions that send email, ftp files, sync remote
databases, etc.
It is important to
On 07/22/2011 11:02 PM, Pablo Romero Abiti wrote:
Here's what I want to do:
I have a master table that has 2 columns: idcol1 and idcol2, where
idcol2 is equivalent to idcol1
Table: color_eq
idcol1 idcol2
1 1
2 2
2 3
Table: warehouse
idcolqty
110
220
if I
On 07/19/2011 01:35 AM, Jon Smark wrote:
Hi,
I don't think this is really possible with postgres PLs generally.
Typically what you have to do is have a function that is called on an
interval that checks for alarms and runs them.
Thanks for the prompt reply. Just to clarify: you are saying
On 07/13/2011 04:02 PM, Caleb Palmer wrote:
Hi all,
My company sells software that uses PostgreSQL and the need has come
up to provide a tool that gives our clients access to query the
database but we don't want to expect these users to be able to use
SQL. Is there a product out there that
I don't recall any problems with functions or triggers, in my experience
the problems are with the views.
Any views that are on the table must be recreated.
In any case, I wrote a function a while back that can be fairly easily
modified to do what you want.
My function is for modifying a
I've done similar things with a plpythonu function.
Basically, import the mysql module, call your select statement and then
for each row do a plpy.execute(insert stmt)
Sim
On 07/05/2011 12:10 AM, Jonathan Brinkman wrote:
Greetings
I'd like to INSERT data into my Postgresql 8.4.8 table
On 07/03/2011 01:00 PM, Geoffrey Myers wrote:
We have a process that we successfully ran on virtually identical
databases. The process completed fine on a machine with 8 gig of
memory. The process fails when run on another machine that has 16 gig
of memory with the following error:
out of
1) If you declare a return type setof TABLENAME the resultset will
contain rows with field definitions like the table.
2) To call the function from another plpgsql function use:
declare
row record
begin
for row in select * from dates_pkg.getbusinessdays(...) Loop
...process...
Please reply to the list in the future.
I don't believe you can do that.
Sim
On 06/29/2011 04:39 PM, David Greco wrote:
Thanks that works pretty well. Is it possible to fetch the all the
return of dates_pkg.getbusinessdays() into a single variable at once?
i.e. in Oracle I would do
Is there a way to tell a table to discard an insert if it violates a
constraint (unique in my case) instead of giving an error? I don't want
the overhead of a trigger on each row inserted.
My situation is that I'm reading data from an external website with lots
of duplicate data. I am
On 06/14/2011 08:19 AM, Tom Lane wrote:
Sim Zackss...@compulab.co.il writes:
All the suggestions given are for the server OS :-(
My purpose is to be able to return a correct file path to the client
without it specifying the OS.
File path? Seems to me that even if you knew the client OS,
I am playing around with making interactive queries and was wondering if
anyone had any comments.
If your comment is That is a stupid idea, please try to qualify that
with something constructive as well.
The idea is that sometimes during a process, user input is required. The
way we have
What OS/distribution are you using?
If you compiled postgresql your self did you include python support?
Sim
On 06/14/2011 12:17 PM, AI Rumman wrote:
Okay. Thanks for the guidance.
Could you please tell where I can get the postgresql-python lib files?
On Tue, Jun 14, 2011 at 2:01 PM, Craig
On 06/14/2011 10:29 AM, Craig Ringer wrote:
On 14/06/11 14:35, Sim Zacks wrote:
It is much simpler then that. My data includes file references.
One table has the filename with a path placeholder and another table
contains the windows and linux versions of the full path
I didn't see a function for this, but is there a way in a postgresql
query to determine the client OS?
Thanks
Sim
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All the suggestions given are for the server OS :-(
My purpose is to be able to return a correct file path to the client
without it specifying the OS.
Thanks
Sim
On 06/13/2011 05:38 PM, Craig Ringer wrote:
On 06/13/2011 08:35 PM, hubert depesz lubaczewski wrote:
Please note that it
On 05/23/2011 06:44 AM, Michael McInnis wrote:
I've seen numerous references to this syntax but haven't found where
you issue the command.
Tried it in a testpython.py file, no luck.
Can't find a plpy file anywhere.
I know it's going to be simple but need help.
rv = plpy.execute(SELECT * FROM
I would use a plpython or plperl function
In python you can split the word into a list and then get unique items
and put it back in a string, for example.
Sim
On 05/16/2011 03:34 PM, Sukuchha Shrestha wrote:
Dear All,
I am new to Postgresql. I have a field with lots of dublicate words
Yeah. One nasty property that async multi master solutions share is
that they change the definition of what 'COMMIT' means -- the database
can't guarantee the transaction is valid because not all the
supporting facts are necessarily known. Even after libpq gives you
the green light that
On 05/04/2011 01:51 PM, Leonardo Francalanci wrote:
Hi,
I'm going to need to GROUP BY the same table
multiple times. That is, something like:
select (some aggregate functions here) from
tableA group by f1, f2
select (some other aggregate functions here) from
tableA group by f3, f4
etc
The
On 05/03/2011 09:15 AM, tushar nehete wrote:
Hi,
Is there any way to do bidirectional replication for Postgresql Plus
Advance Server 8.4.5?
I tried SLONY-I but its master-slave asynchronous replication.
Can we configure master-master replication by slony?
Or is there any trusted tool to do
On 05/02/2011 02:24 PM, sm wrote:
hi,
i want ot modify the pg_hba.conf file from command prompt i tried this
command
C:\Program Files\Postgresql\8.4\binpgadmin3/ch:C:/program
files/postgresql/8.4/data/pg_hba.conf
but with this a window gets open and there is option to change methos
md5
On 04/28/2011 10:46 PM, Basil Bourque wrote:
In PL/pgSQL, how does one generically access the fields of the OLD or NEW
record?
I've tried code such as this:
'NEW.' || quote_ident( myColumnNameVar ) || '::varchar'
But when run by an EXECUTE command, I get errors such as:
ERROR: missing
On 04/28/2011 02:19 PM, c k wrote:
Hello,
I have installed postgresql 9 on fedora 14 having python 2.7. Now
created plpythonu language in my database and created a simple
function to calculate sum of two variables.
while importing math libbrary and executing the function i got the error
On 04/13/2011 03:36 AM, Vinzenz Bildstein wrote:
Right now the line I would add to the pg_hba.conf would look something
like this:
host database all CIDR ldap ldapserver=my.domain.com
ldapbasedn=dc=my,dc=domain,dc=com ldapprefix=cn=ldap,cn=users
ldapsuffix=dc=my,dc=domain,dc=com
You need to
I have a backup of a database from 8.2.x and I am trying to restore it
into 9.0.x
In 8.2.x I used the citext data type from pgfoundry (before it was part
of contrib) and it was put in the pg_catalog.
In 9.0 I am using the citext data type in contrib and it put it into the
public schema.
On 04/07/2011 03:46 PM, Michael Gould wrote:
We want to protect the intellectual property of several of our stored
procedures. If we put them in a separate schema in the database and
only allow execute on anything in that schema would that protect our
stored procedures?
Best Regards
It
On 04/05/2011 09:41 AM, hubert depesz lubaczewski wrote:
hi
was pointed to the fact that security definer functions have the same
default privileges as normal functions in the same language - i.e. if
the language is trusted - public has the right to execute them.
maybe i'm missing something
The question is, if it screws up and says that an image already exists
and then returns a different image when querying for it, how bad would
that be.
It'll never happen:
http://stackoverflow.com/questions/862346/how-do-i-assess-the-hash-collision-probability
Sure you CAN go out of
On 03/10/2011 12:36 PM, ray wrote:
On Jan 17, 3:39 pm, byrn...@harte-lyne.ca (James B. Byrne) wrote:
I have occasion to produce reports from our PostgreSQL database
which are ephemeral. In a previous life on CODASYL installation I
used areportwriter called QUIZ to dash these things off. Is
MD5 is not collision resistant (using the immortal words of wikipedia
http://en.wikipedia.org/wiki/MD5).
This means that it is possible that multiple images will return the same
md5 hash.
The question is, if it screws up and says that an image already exists
and then returns a different
On 03/09/2011 01:27 PM, Sim Zacks wrote:
This means that it is possible that multiple images will return the
same md5 hash.
OTOH, if you had an indexed md5 hash and compared the image only to the
matches, that would be a fast and accurate querying method
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On 03/09/2011 03:12 PM, Dmitriy Igrishin wrote:
Hey all,
dmitigr= select to_char(1, '9');
to_char
-
1
dmitigr= select length(to_char(1, '9'));
length
2
Why to_char() includes preceding blank space in the result ?
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On 02/23/2011 10:27 PM, Magnus Hagander wrote:
On Wed, Feb 23, 2011 at 11:43, Sim Zackss...@compulab.co.il wrote:
Is there a way to do ldap authentication in pg_hba on a structure that has
multiple ou objects?
Lets say I have an ou=Users and then an ou per dept.
I want the ldap to do
On 02/24/2011 12:51 AM, Michael Black wrote:
Look at the Search Filters and LDAP URL sections of
http://quark.humbug.org.au/publications/ldap/ldap_tut.html . There are
some samples of wildcard filters there.
I tried a number of possibilities for the ldap url based on the LDAP URL
section and
Is there a way to do ldap authentication in pg_hba on a structure that
has multiple ou objects?
Lets say I have an ou=Users and then an ou per dept.
I want the ldap to do authentication no matter which ou the user is in.
My current ldap string is:
a regular varchar or text field.
On 02/23/2011 02:09 PM, Gaini Rajeshwar wrote:
Hi All,
I wanted to store ip addresses in table. I wanted to support the
following 3 types of ip addresses.
|*1. Wildcard format :* 1.2.3.*
*
*|
|*2. CIDR format:* 1.2.3/24 OR
On 02/21/2011 12:40 AM, matty jones wrote:
I am not sure if this is possible but is there a way that I can have
multiple columns from different tables be a foreign key to a single
column in another table, or do I need to write a check function and if
so how could I set up a relation?
CREATE
On 02/16/2011 11:54 AM, Adarsh Sharma wrote:
Dear all,
I am using pg_dump in Postgresql database very often and read several
parameters of it.
But today i want to back up that part of table which satisfies
satisfies certain condition ( select command ).
In mysql , this is achieved as
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