>
> The bottom line is that the original postgres time-travel implementation
> was totally cost-free. Actually it may have even speeded things
> up since vacuum would have less work to do. Can you convince me that
> triggers can compare anywhere near for performance? I can't see how.
> All I'm asking is don't damage anything that is in postgres now that
> is relevant to time-travel in your quest for WAL....
Basically, time travel was getting in the way of more requested features
that had to be added. Keeping it around has a cost, and no one felt the
cost was worth the benefit. You may disagree, but at the time, that was
the consensus, and I assume it still is.
-- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
Pennsylvania19026
