On Dec 13, 2006, at 12:33 , Michael Glaesemann wrote:
On Dec 13, 2006, at 8:45 , Tom Lane wrote:
the entire operator/function structure is built on the
assumption that there is, say, only one "=" between any two
datatypes.
You mean only on "=" between any two values of a given datatype?
Ignore that. :) if that were true, you wouldn't need to have both
left and right argument types. I think I got it now.
Michael Glaesemann
grzm seespotcode net
---------------------------(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
