26 Mar
2011
26 Mar
'11
2:26 a.m.
On Fri, Mar 25, 2011 at 06:57, Michael Goldshteyn <mgoldshteyn@comcast.net> wrote:
After reading the explanation of how hash_combine should be used, I am left wondering. Why is the recommendation for hash_combine different from what one would intuitively expect?
With combine, you can also use a non-zero initial value, so Point(x,y) and BoundingBox(x,y) don't have the same hash, if you happen to mix types in your tables.