> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Remember one idea is for index scans to automatically update the expired
> > flag in the index bitfields when they check the heap tuple.
>
> There is no such flag, and I'm not planning to add one before I fix
> statistics ;-)
>
> There are a number of things that'd have to be thought about before
> such a thing could happen. For one thing, trying to obtain write locks
> instead of read locks during a btree scan would blow us out of the water
> for supporting concurrent btree operations.
Yes, it was just an idea. Someone may add it for 7.2.
-- 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
