Re: Advisory locks seem rather broken

Simon Riggs <simon@2ndQuadrant.com> writes:
> On Thu, May 3, 2012 at 5:04 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> That gets rid of the when-to-release kluges, but instead we have
>> to think of a way for two different lockmethods to share the same
>> lock keyspace.  If we don't split it then we definitely need to figure
>> out someplace else to keep the transactionality flag.

> Is that even an issue? Do we really want an overlapping lock space?

> AFAICS you'd either use transactional or session level, but to use
> both seems bizarre.

I dunno.  That's the existing user-visible semantics, and I wasn't
proposing that we revisit the behavior.  It's a bit late for such
a proposal given this already shipped in 9.1.
        regards, tom lane