Thank you very much of your advice, I must admit we have a bad
database design here, because the process is relying on tables' state
through out the codes, and a hard commit would change these states.

Duncan

--- In firebird-support@yahoogroups.com, "Adam" <s3057043@y...> wrote:
>
> > Duncan was referring to IBO's Savepoint method, not the SQL SAVEPOINT
> > statement. This is a client-side method (that predates Firebird's
> > SAVEPOINT syntax by about 6 years), that allows you to perform a
> > CommitRetaining on all work so far posted for a transaction. So
> IBO's
> > Savepoint method indeed creates one record version for each record it
> > updates; and it also enables the user to go back and do more updates
> on
> > these records, thus propagating more record versions that won't get
> > garbage-collected.
> >
>
> Ah, makes sense in that context then. Sounds to me like something to
> avoid (especially considering real savepoints are available in Firebird
> 1.5+).
>
> Adam