> AFAIK, the extra index only slows down my inserts - it basically contains > no usable information...
Not 100% true. It will speed up cascade delete and update... > shouldn't the presence of _primary_key_ in > multicol foreign key be enough to decide whether the whole key is unique > or not? Hmmm - thinking about it, I don't see why postgres would need the entire thing to be unique...can't think of a reason at the moment. Stephen? Chris ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
