On Thu, Jan 13, 2005 at 09:48:02AM +0100, KÖPFERL Robert wrote: > I'm a little bit perplexed now... is it really the case that pre 8.0 systems > aren't able to change col-types?
It really is. In fact, the feature was (IIRC) somewhat controversial, because there are all sorts of decisions that need to be made about what to do with incompatible types. What if you change from int8 to int4? What about varchar(4) to char(4)? Just to name two simple-minded examples. See the -general and -hackers archives for plenty of previous discussion of this stuff. A -- Andrew Sullivan | [EMAIL PROTECTED] When my information changes, I alter my conclusions. What do you do sir? --attr. John Maynard Keynes ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])