Subject Re: [Firebird-Architect] Re: the insert into t select * from t infinite
Author Dmitry Yemanov
"Jim Starkey" <jas@...> wrote:
> The smart way to handle this is to factor out the inner select, using
> the inner select to compute an index bitmap for A.B_ID, then use the
> bitmap to drive the outer select.

AFAIU, this is not going to work if the subquery is being internally
rewritten to form a join.