more-than-one-SERIAL column per table
От | will trillich |
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Тема | more-than-one-SERIAL column per table |
Дата | |
Msg-id | 20010509125754.D19662@serensoft.com обсуждение исходный текст |
Ответ на | Re: Problems w. SERIAL (Morten Primdahl <morten@primdahl.net>) |
Ответы |
Re: more-than-one-SERIAL column per table
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Список | pgsql-general |
On Sun, May 06, 2001 at 02:59:31AM +0200, Morten Primdahl wrote: > > \d tbl_c_id_seq > > > > if it is not there, you can create it yourself > > Thanks, the sequence was not there. Just puzzled me that > when creating tbl_c, I get: > > test=# CREATE TABLE tbl_c > (id SERIAL PRIMARY KEY, > data VARCHAR(50), > a SERIAL CONSTRAINT a_ref REFERENCES tbl_a(id), > b SERIAL CONSTRAINT b_ref REFERENCES tbl_b(id) > ); is there any paradigm wherein TWO serial values for one table might possible be useful? (since serial is really "int default nextval('sequence_seq')" how can the second serial be anything but redundant?) -- don't visit this page. it's bad for you. take my expert word for it. http://www.salon.com/people/col/pagl/2001/03/21/spring/index1.html will@serensoft.com http://sourceforge.net/projects/newbiedoc -- we need your brain! http://www.dontUthink.com/ -- your brain needs us!
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