Re: setval('myfunsequence', 0)
От | Ian Harding |
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Тема | Re: setval('myfunsequence', 0) |
Дата | |
Msg-id | sdf059f5.001@mail.tpchd.org обсуждение исходный текст |
Ответ на | setval('myfunsequence', 0) ("Ian Harding" <ianh@tpchd.org>) |
Список | pgsql-general |
Argh! Sorry. I should RTFM! >>> "scott.marlowe" <scott.marlowe@ihs.com> 12/06/02 07:53AM >>> 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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