Am Mittwoch, 18. Juli 2007 16:16 schrieb Tom Lane: > You should *not* have to inform the machine that NULL is a pointer.
For variadic functions, that expectation is invalid, AFAIK. It might be good to check the actual definition of NULL in this case, however, before wondering further. -- Peter Eisentraut http://developer.postgresql.org/~petere/ ---------------------------(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