Re: Reducing some DDL Locks to ShareLock

Simon Riggs  writes:
> On Mon, 2008-11-10 at 19:15 -0500, Tom Lane wrote:
>> The reason I was thinking about heap_lock_tuple is that it might provide
>> a suitable defense against that case.

> OK. Lock tuple works OK, but its the unlock that I'm worried about. How
> would non-transactional un-lock tuple work?

I was imagining that the heap_inplace_update operation would release the
lock.  Is there some problem with the concept?
		regards, tom lane