On Wed, Jul 27, 2011 at 7:16 PM, Alvaro Herrera <alvhe...@commandprompt.com> wrote: > One thing I have not addressed is Noah's idea about creating a new lock > mode, KEY UPDATE, that would let us solve the initial problem that this > patch set to resolve in the first place. I am not clear on exactly how > that is to be implemented, because currently heap_update and heap_delete > do not grab any kind of lock but instead do their own ad-hoc waiting. I > think that might need to be reshuffled a bit, to which I haven't gotten > yet, and is a radical enough idea that I would like it to be discussed > by the hackers community at large before setting sail on developing it. > In the meantime, this patch does improve the current situation quite a > lot.
I haven't looked at the patch yet, but do you have a pointer to Noah's proposal? And/or a description of how it differs from what you implemented here? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers