On 19 January 2018 at 05:41, petern <[email protected]> wrote:
> Were you expecting random() to return the same sequence when the view > materialized again in the subquery? > I was hoping to find a way to force the query planner to evaluate v_random_hierarchy only once. Perhaps this is not possible since it uses the non-deterministic random() function > Your ultimate query works fine when the random view is materialized once > into a table. Correct, but I work hoping to avoid the I/O penalty of this strategy when generating a large hierarchy > > FYI. as demonstrated above, to also count the NULL parent, use "IS" instead > of "=". > > I didn't know IS also worked with integers, good tip. _______________________________________________ sqlite-users mailing list [email protected] http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
