Re: [HACKERS] Re: [PATCHES] Lock

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> On 1999-12-18, Bruce Momjian mentioned:
> 
> > > * Allow LOCK TABLE tab1, tab2, tab3 so all tables locked in unison
> 
> > It took a few minutes, but I remember the use for this.  If you are
> > going to hang waiting to lock tab3, you don't want to lock tab1 and tab2
> > while you are waiting for tab3 lock.  The user wanted all tables to lock
> > in one operation without holding locks while waiting to complete all
> > locking.
> > 
> > Can you do the locks, and if one fails, not hang, but unlock the
> > previous tables, go lock/hang on the failure, and go back and lock the
> > others? Seems it would have to be some kind of lock/fail/unlock/wait
> > loop.
> 
> That's what I suspected. But of course LockRelation() doesn't return
> anything based on whether it succeeded, it just hangs, so it'll take a
> little more work. Next year ...

Yep, I figured it would be weird to get working.

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