Still learning this stuff, so please be gentle...
jeff=# select * from test_it;typ | diam
-----+------01 | 80001 | 84001 | 87001 | 112002 | 76002 | 78002 | 80002 | 90003 | 120003 | 123403 | 1352
(11 rows)
jeff=# \! cat test_it
drop function test_it_too(text);
create function test_it_too(text)
returns text as '
declare
typ2 alias for $1;
rec record;
string text:= '''';
begin
for rec in select * from test_it where typ = typ2 loop
string := string || rec.diam || '','';
end loop;
string := substr(string, 1, length(string)-1);
return string;
end;
' language 'plpgsql';
jeff=# \i test_it
DROP
CREATE
jeff=# select test_it_too('01'); test_it_too
------------------800,840,870,1120
(1 row)
> -----Original Message-----
> From: juerg.rietmann@pup.ch [SMTP:juerg.rietmann@pup.ch]
> Sent: Monday, March 26, 2001 4:13 AM
> To: pgsql-sql@postgresql.org
> Subject: Still don't know how to build this string ?
>
> Hello there
>
> I have still the same problem. Any help would really be appreciated !
> Thanks ... jr
>
> Is it possible (and I think it is) to do the following :
>
> I have a table with diameters and types. I need to build a comma separated
> string.
>
> typ diam
> 01 800
> 01 840
> 01 870
> 01 1120
> 02 760
> 02 780
> 02 800
> 02 900
> 03 1200
> 03 1234
> 03 1352
>
> select diam from zylinder where typ='01'
>
> should produce the string "800,840,870,1120"
>
>
>
> ============================================
> PFISTER + PARTNER, SYSTEM - ENGINEERING AG
> Juerg Rietmann
> Grundstrasse 22a
> 6343 Rotkreuz
> Switzerland
>
> phone: +4141 790 4040
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> ============================================
>
>
>
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