Jim Nasby wrote: > As a less invasive alternative, I *think* you could create an SQL > function for casting text to int that treated '' as 0, and then > replace the built-in CAST with that.
Won't work. You need to replace the data type input function. -- 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