Hiroshi Inoue wrote:
> > It seems to me that whatever we do
> > will require some kind of client breakage.
> 
> Physical/logical attnum approach was mainly to not break
> clients. I implemented it on trial but the implementation
> was hard to maintain unfortunately. It's pretty difficult
> to decide whether the number is physical or logical in
> many cases.

How many cases do we have that use logical numering?  Hiroshi, I know
you are the expert on this.  I know 'SELECT *' uses it, but are their
other places that need to know about the logical ordering of the
columns?

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  [EMAIL PROTECTED]               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026

---------------------------(end of broadcast)---------------------------
TIP 3: if posting/reading through Usenet, please send an appropriate
subscribe-nomail command to [EMAIL PROTECTED] so that your
message can get through to the mailing list cleanly

Reply via email to