Michael Fuhr <[EMAIL PROTECTED]> writes:
> It sounds like the best a check could do would be the amazingly
> astute "some transaction held a lock on this row at one time and
> may or may not still hold that lock, and even if it did when you
> checked it might have gone away by now and some other transaction
> that you don't know about might hold a lock."
> Does that about sum it up? ;-)
Yeah. Really, if you want to inspect the state of a lock,
the only meaningful operation is to try to acquire the lock.
It's reasonable to offer an "acquire only if immediately available"
operation --- but reporting on the instantaneous state seems
pretty useless by itself.
regards, tom lane
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