| From: | "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com> |
|---|---|
| To: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: custom serial number |
| Date: | 2008-11-18 09:26:52 |
| Message-ID: | 20081118092652.GB19076@a-kretschmer.de |
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| Lists: | pgsql-sql |
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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