> Using a functional index you can define an index around the way you > access the data. There is no faster or better way to do it...this is a > mathematical truth, not a problem with the planner. Why not use the > right tool for the job? A boolean index is super-efficient both in disk > space and cache utilization.
Thanks for your constructive criticism, you're absolutely right. I had to modify your "return" for a "select": create function rankeable (bigint, bigint) returns boolean as ' select case when $1 > 0 or $2 > 0 then true else false end;' language sql immutable; and it works great.
signature.asc
Description: This is a digitally signed message part