"Mark Reid" <reid(dot)write(at)gmail(dot)com> writes:
> If a column is added, dropped, then re-added (all within a transaction), a
> plpython trigger function loses track of the column and throws an error when
> trying to access it. Here is the best minimal test case I could come up
> with:
The cases you are saying work and don't work are exactly the same:
> -- This works
> alter table clarence add column test4 varchar;
> update clarence set test4=12 where pick_id=1454;
> alter table clarence drop column test4;
> -- This does not work
> alter table clarence add column test4 varchar;
> update clarence set test4=12 where pick_id=1454; -- this creates a
> problem... plpgsql seems to work fine.
> alter table clarence drop column test4;
Please be clearer.
regards, tom lane