Re: setval('myfunsequence', 0)
| От | scott.marlowe |
|---|---|
| Тема | Re: setval('myfunsequence', 0) |
| Дата | |
| Msg-id | Pine.LNX.4.33.0212060851020.19509-100000@css120.ihs.com обсуждение исходный текст |
| Ответ на | setval('myfunsequence', 0) ("Ian Harding" <ianh@tpchd.org>) |
| Список | pgsql-general |
On Fri, 6 Dec 2002, Ian Harding wrote:
> The subject statement does not work for automagically generated sequences (minvalue is 1 by default, it seems.) I
needto reset a sequence to where nextval('myfunsequence') is 1, and the only way to do it (I think) is to
setval('myfunsequence',0).
>
> I can just create this particular sequence with minvalue 0 start 1, but I am wondering what is the downside to this
beingthe default? Alternatively, is there a way to make setval accept a value that is $start - $increment as seems to
happenon creation?
>
Not true. Take a look at:
http://developer.postgresql.org/docs/postgres/functions-sequence.html
And note near the bottom, that you can setval with a third boolean value,
like so:
SELECT setval('foo', 1, false);
and the next nextval() will return 1
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