"Marc G. Fournier" <scrappy@postgresql.org> writes:
> On Tue, 2 Aug 2005, Tom Lane wrote:
>> Hmm, odd. But maybe there are traces of a SERIAL linkage? What do
>> you get from
>>
>> select * from pg_depend where objid = 'xa_url_id_seq'::regclass;
> # select * from pg_depend where objid = 'xa_url_id_seq'::regclass;
> classid | objid | objsubid | refclassid | refobjid | refobjsubid | deptype
> ---------+--------+----------+------------+----------+-------------+---------
> 1259 | 335539 | 0 | 16672 | 2200 | 0 | n
> 1259 | 335539 | 0 | 1259 | 335541 | 1 | i
> (2 rows)
Well, that second line is *definitely* a SERIAL column linkage.
> 'k, checking the docs ... deptype == i is an INTERNAL, and refobjid is
> what is referencing it (in this case, xa_url, as I'd expect) ... but,
> looking at \d for xa_url, I'm not seeing anything there to cause it ... no
> serial values ... the only 'default nextval()' I can find in the schema
> is something totally unrelated ...
Is it possible they did "create table xa_url(id bigserial, ...)" and
then later changed the default expression for the column?
regards, tom lane
