Magnus Hagander wrote: > I don't use the functional index part, but for new users I can see how > that's certainly a *lot* easier.
Can someone with modern hardware test to see if it's still quite a bit slower than the extra column. I had tried it too years ago; and found the functional index to be quite a bit slower: http://archives.postgresql.org/pgsql-general/2005-10/msg00475.php but it'd be interesting to see if faster CPUs changed this. ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
