With the following function I expected to get an iteration through the results. But the loop seems to be performed two
timesinstead.
The function (postgres 7.2):
create function echt_char_laenge () returns integer as
'
declare char_auslese record;
begin for char_auslese in select * from varlaenge loop raise notice ''%, %'', char_auslese.id_var,
char_auslese.var_text; end loop;
return 0;
end;'language 'plpgsql';
------------------------------------------------------------
the result:
select echt_char_laenge ();
NOTICE: 1, text 1X
NOTICE: 2, text 2X
NOTICE: 3, text 3X
NOTICE: 4, text 4X
NOTICE: 5, text 5X
NOTICE: 6, text 6X
NOTICE: 1, text 1X
NOTICE: 2, text 2X
NOTICE: 3, text 3X
NOTICE: 4, text 4X
NOTICE: 5, text 5X
NOTICE: 6, text 6Xecht_char_laenge
------------------ 0
(1 row)
----------
and the result as expected:
select * from varlaenge;
id_var | var_text
--------+------------- 1 | text 1X 2 | text 2X 3 | text 3X 4 | text 4X 5 | text 5X 6 | text 6X
(6 rows)
Any ideas?
Thanx
Stefan
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