Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > One idea Simon and I had was to reuse heap rows where all indexed values
> > in the old row and the new row were the same, meaning the heap value
> > could be replaced without changing the indexes at all. We thought this
> > would be very useful for frequently-updated rows. It could also be used
> > if no index are on the table.
>
> MVCC goes out the window, eh? Not to mention transaction rollback ability?
If the old row is not visible to any transactions, why would it not work?
-- Bruce Momjian http://candle.pha.pa.us SRA OSS, Inc. http://www.sraoss.com
+ If your life is a hard drive, Christ can be your backup. +
