Bruce Momjian [EMAIL PROTECTED] writes:
Pavan Deolasee wrote:
When following a HOT-update chain from the index fetch, if we notice that
the root tuple is dead and it is HOT-updated, we try to prune the chain to
the smallest possible length. To do that, the share lock is upgraded to an
Tom Lane wrote:
Bruce Momjian [EMAIL PROTECTED] writes:
Pavan Deolasee wrote:
When following a HOT-update chain from the index fetch, if we notice that
the root tuple is dead and it is HOT-updated, we try to prune the chain to
the smallest possible length. To do that, the share lock is
On 2/20/07, Bruce Momjian [EMAIL PROTECTED] wrote:
Tom Lane wrote:
Recently dead means still live to somebody, so those tids better not
change either. But I don't think that's what he meant. I'm more
worried about the deadlock possibilities inherent in trying to upgrade a
buffer lock.