> > > - add a new boolean to pg_operator to allow us to define which > > > operators offer true equality ... > > > > This would be useful for other purposes too, as we keep coming up > > against "what's the equality operator for this datatype" problems. > > However, the restriction to "true" equality, such that we can assume x > > = y implies f(x) = f(y) for every immutable function f on the datatype
Maybe we could have a tri (or more) state flag for the equality operators. ' ' .. not an equality op 'e' .. equality 's' .. strict equality (op only true iff the binary representation is equal) Andreas ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings