Re: v7.1 error ... SELECT converted to a COPY?

On Mon, 30 Apr 2001, Tom Lane wrote:

> The Hermit Hacker <scrappy@hub.org> writes:
> > Okay, maybe this query isn't quite as simple as I think it is, but does
> > this raise any flags for anyone?  How did I get into a COPY?  It appears
> > re-creatable, as I've done it twice so far ...
>
> > eceb=# select e.idnumber,e.password from egi e, auth_info a where e.idnumber != a.idnumber;
> > Backend sent D message without prior T
> > Backend sent D message without prior T
>
> At a guess, you're running out of memory on the client side for the
> SELECT results (did you really want a not-equal rather than equal
> constraint there!?)

Yup, want to figure out which ones are in the egi table that I hadn't
transfer'd over yet ... tried it with a NOT IN ( SELECT ... ) combination,
but an explain of that showed two sequential searches on the tables, so am
working on fixing that ...