Dan Ports <d...@csail.mit.edu> writes:
> On Mon, Apr 04, 2011 at 07:04:59PM -0400, Robert Haas wrote:
>> On Mon, Apr 4, 2011 at 6:41 PM, Stephen Frost <sfr...@snowman.net> wrote:
>>> What'd be horribly useful would be the pid and the *time* that the lock
>>> was taken.
>> Well, I don't think we're likely to redesign pg_locks at this point,
>> so it's a question of making the best use of the fields we have to
>> work with.
> Agreed. Note that the vxid of the transaction that took the lock is
> included in there, so that's at least something you could correlate
> with a logfile.
Another problem is that supporting that would imply injecting
gettimeofday() into the lock-acquisition sequence, and that's pretty
damn expensive on some platforms.
regards, tom lane
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