On Wed, Feb 1, 2012 at 7:31 PM, Peter Eisentraut <peter_e@gmx.net> wrote:
> On sön, 2012-01-29 at 22:01 +0000, Simon Riggs wrote:
>> Patch now locks index in AccessExclusiveLock in final stage of drop.
>
> Doesn't that defeat the point of doing the CONCURRENTLY business in the
> first place?
That was my initial reaction.
We lock the index in AccessExclusiveLock only once we are certain
nobody else is looking at it any more.
So its a Kansas City Shuffle, with safe locking in case of people
doing strange low level things.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
