I agree we don't want to add a savepoint on top of the exceptions as you stated below.
I am _still_ unclear on what still needs to be done to complete NT and PITR. Are you more aware of the open issues? --------------------------------------------------------------------------- Tom Lane wrote: > Bruce Momjian <[EMAIL PROTECTED]> writes: > > So it allows functions to use subtransactions and recover from errors. > > I thought that was more than we could do for 7.5 and in fact the release > > notes now saw that will be done in a future release. > > I think there's only a day or two's work between here and there, and it > would be foolish not to have the feature if we can get it. > > As I see it, we need: > > 1. The elog.c factoring described in this thread. > > 2. An extension to the SPI API to allow execution of commands within > a subtransaction, with catching of errors. > > 3. A bit of work on plpgsql to support some kind of EXCEPTION syntax. > > I might decide to forget about SPI and trap errors directly in plpgsql, > but in any case it doesn't seem out of reach. > > I was just looking around the net to see exactly what Oracle's PL/SQL > syntax is. It doesn't seem too unreasonable syntax-wise: > > BEGIN > ... controlled statements ... > EXCEPTION > WHEN exception_name THEN > ... error handling statements ... > WHEN exception_name THEN > ... error handling statements ... > ... > WHEN OTHERS THEN > ... error handling statements ... > END; > > There's nothing here we couldn't do. However, it seems that Oracle > thinks you should throw in explicit SAVEPOINT and ROLLBACK statements > on top of this! That's just weird. It might be that we should > deliberately *not* adopt the exact syntax they are using, just so we > don't create compatibility gotchas. > > regards, tom lane > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster > -- Bruce Momjian | http://candle.pha.pa.us [EMAIL PROTECTED] | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073 ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
