> On 2002.01.16 23:44:26 -0500 Bill Pfeiffer wrote:
> > I will probably go ahead and check uniqueness on the setter of the
field,
> > but I don't like it and here's why.  Oracle has gone a long way to
ensure
> > that users have a consistant view of the database, my dinky check in my
> > setter to see if a value is there yet lacks ANY robustness.

just wondering, is it possible to write something in pl/sql that will do
something similar to select for update?  then perhaps, you could call this
stored procedure, in the set method, and the stored procedure does two
things - a) checks to see if the value exists in the table, and tells you if
it does, and b) assuming the value doesn't exist, reserves it for future
use.

whilst that'd completely throw away any portability, it would hopefully
maintain the robustness you're after....

thoughts?

cheers
dim


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