On Oct 21, 2015, at 2:59 PM, Jeff Janes wrote:
> I think he means more like:
>
> create temporary table temp_test(id int, fld_1 varchar);
> create temporary index on permanent_table (fld_1);
>
> select something from temp_test join permanent_table using (fld_1) where a=b;
> select something_else from temp_test join permanent_table using (fld_1) where c=d;
Yes. That's exactly what I mean: A "temporary index" on a "permanent table" , which expires in the same manner of a "temporary table".