On 17 October 2012 18:50, Andrew Dunstan <andrew@dunslane.net> wrote:
> I don't know how many times I have to say this: people are not listening.
> Tom has already given a case for it upthread:
>
>
>>> Triggers necessarily operate on a row-at-a-time basis. In theory,
>>> for at least some bulk operations, a rule could greatly outperform
>>> a trigger. It's difficult to walk away from that - unless somebody
>>> can prove that the advantage doesn't ever accrue in practice.
Fair point. I'm just not sure that that is a good enough reason to not
deprecate rules. I mean, if experienced hackers cannot figure out if
that's actually a useful facet of rules, what hope is there for anyone
else?
--
Peter Geoghegan http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services
