Re: custom serial number

am  Tue, dem 18.11.2008, um  1:09:44 -0800 mailte mahmoud ewiwi folgendes:
> hi gurus
> i have a problem in generating serial number with the form yyyymm0000 how can i do that?

test=# create temporary sequence foo;
CREATE SEQUENCE
test=# select to_char(current_date,
'yyyymm')||trim(to_char(nextval('foo'),'09999')); ?column?
-------------20081100001
(1 row)

test=# select to_char(current_date,
'yyyymm')||trim(to_char(nextval('foo'),'09999')); ?column?
-------------20081100002
(1 row)

test=# select to_char(current_date,
'yyyymm')||trim(to_char(nextval('foo'),'09999')); ?column?
-------------20081100003
(1 row)


HTH, Andreas
-- 
Andreas Kretschmer
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