> I don't think that's true since the number ending in 807 is equal to a > version ending in 808. > > sszabo=# select 9223372036854775807 = 9223372036854775808::float; > ?column? > ---------- > t > (1 row)
Good point. I think that the problems with using floats are well documented (I particulary like the doc that come with IBMs java.lang.BigDecimal package) so there shouldn't be any excuse for being surprised by how they behave. Basically floats are fine when used for what they were desgned for, but a liability otherwise. Just thinking about it now, I can't remember last time I designed a database that used float data... regards Iain ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match