I was trying to write a function which does a DES encryption for
Postgres, which I would then link in as a C function. I got the
function more or less working on its own, and then I tried to link it
to PG. The first time I executed the function, the backend died.
Then, I removed the Unix domain
Jeff Meeks writes:
> I am trying to join 3 tables
> with this query
> select a.id, a.name, sum(b.qty), sum(c.qty)
> from a, b, c
> where a.id=xxx and b.id=a.id and c.id=a.id
>
> what the sums that get returned look as if they are a cross products of
> the b and c tables.