Re: GiST KNN Crasher

Heikki Linnakangas <hlinnaka@iki.fi> writes:
> The find_ec_member_for_expr() call in create_indexscan_plan() fails to 
> find the equivalence member for the path key. 
> match_clause_to_ordering_op() found the match by commuting the operator, 
> but code in create_indexscan_plan() doesn't take that into account.

Right.

> I think that trying to find the equivalence member in 
> create_index_scan() is too fragile.

I agree; will contemplate how to do this better.
        regards, tom lane