On Mon, Oct 10, 2005 at 10:59:03PM -0400, Tom Lane wrote: > CSN <cool_screen_name90001@xxxxxxxxx> writes: > > If integer's range is -2147483648 to +2147483647, why > > is serial's range only 1 to 2147483647 instead of 1 to > > about 4294967294? > > How are you going to stuff 4294967294 into an integer field, which as > you just stated has an upper limit of 2147483647? > > If we had an unsigned int type, we could use it for serial and get > that result, but we do not. Out of curiosity... why don't we have unsigned ints? I for one would certainly use them for id fields, as well as some other places where I knew negative numbers weren't valid. -- Jim C. Nasby, Sr. Engineering Consultant jnasby@xxxxxxxxxxxxx Pervasive Software http://pervasive.com work: 512-231-6117 vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461 ---------------------------(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
