pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
working with multidimensional arrays in plpgsql
4+ messages / 3 participants
[nested] [flat]

* working with multidimensional arrays in plpgsql
@ 2005-01-26 07:02  Sibtay Abbas <sibtay@gmail.com>
  0 siblings, 2 replies; 4+ messages in thread

From: Sibtay Abbas @ 2005-01-26 07:02 UTC (permalink / raw)
  To: pgsql-sql

hello everyone

i am having problem with multidimensional arrays in plpgsql following
is the source code of the function which i am trying to run

CREATE OR REPLACE FUNCTION test() RETURNS VOID AS $$
DECLARE
x INTEGER[10][10];
tmp VARCHAR(40);
BEGIN
x[3][1] := '20';               ------i have even tried x[3][1] = 20
tmp := x[3][1];
RAISE NOTICE '%', tmp;
RETURN;
END;
$$LANGUAGE 'plpgsql';

As you might have observed here, the actual problem is
how to do assignment to multidimensional array locations using the
subscript operater.

Thank you



^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: working with multidimensional arrays in plpgsql
@ 2005-01-26 09:29  Richard Huxton <dev@archonet.com>
  parent: Sibtay Abbas <sibtay@gmail.com>
  1 sibling, 1 reply; 4+ messages in thread

From: Richard Huxton @ 2005-01-26 09:29 UTC (permalink / raw)
  To: Sibtay Abbas <sibtay@gmail.com>; +Cc: pgsql-sql

Sibtay Abbas wrote:
> hello everyone
> 
> i am having problem with multidimensional arrays in plpgsql following
> is the source code of the function which i am trying to run


> DECLARE
>   x INTEGER[10][10];

> x[3][1] := '20';               ------i have even tried x[3][1] = 20

> As you might have observed here, the actual problem is
> how to do assignment to multidimensional array locations using the
> subscript operater.

Actually, the problem is that the array "x" has been initialised to 
NULL. Therefore, you can't set individual values. Try a line like:
   x := '{}';

--
   Richard Huxton
   Archonet Ltd



^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: working with multidimensional arrays in plpgsql
@ 2005-01-26 11:06  Sibtay Abbas <sibtay@gmail.com>
  parent: Richard Huxton <dev@archonet.com>
  0 siblings, 0 replies; 4+ messages in thread

From: Sibtay Abbas @ 2005-01-26 11:06 UTC (permalink / raw)
  To: Richard Huxton <dev@archonet.com>; +Cc: pgsql-sql

thank you very much for your reply
I did as you specified and it worked fine
thankz :)


On Wed, 26 Jan 2005 09:29:53 +0000, Richard Huxton <dev@archonet.com> wrote:
> Sibtay Abbas wrote:
> > hello everyone
> >
> > i am having problem with multidimensional arrays in plpgsql following
> > is the source code of the function which i am trying to run
> 
> 
> > DECLARE
> >   x INTEGER[10][10];
> 
> > x[3][1] := '20';               ------i have even tried x[3][1] = 20
> 
> > As you might have observed here, the actual problem is
> > how to do assignment to multidimensional array locations using the
> > subscript operater.
> 
> Actually, the problem is that the array "x" has been initialised to
> NULL. Therefore, you can't set individual values. Try a line like:
>    x := '{}';
> 
> --
>    Richard Huxton
>    Archonet Ltd
>



^ permalink  raw  reply  [nested|flat] 4+ messages in thread

* Re: working with multidimensional arrays in plpgsql
@ 2005-01-26 18:05  Josh Berkus <josh@agliodbs.com>
  parent: Sibtay Abbas <sibtay@gmail.com>
  1 sibling, 0 replies; 4+ messages in thread

From: Josh Berkus @ 2005-01-26 18:05 UTC (permalink / raw)
  To: pgsql-sql@postgresql.org, Sibtay Abbas <sibtay@gmail.com>

Sibtay,

> As you might have observed here, the actual problem is
> how to do assignment to multidimensional array locations using the
> subscript operater.

Maybe post your results, too?


-- 
Josh Berkus
Aglio Database Solutions
San Francisco



^ permalink  raw  reply  [nested|flat] 4+ messages in thread


end of thread, other threads:[~2005-01-26 18:05 UTC | newest]

Thread overview: 4+ messages (download: mbox mbox.gz follow: Atom feed)
-- links below jump to the message on this page --
2005-01-26 07:02 working with multidimensional arrays in plpgsql Sibtay Abbas <sibtay@gmail.com>
2005-01-26 09:29 ` Richard Huxton <dev@archonet.com>
2005-01-26 11:06   ` Sibtay Abbas <sibtay@gmail.com>
2005-01-26 18:05 ` Josh Berkus <josh@agliodbs.com>

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox