Re: [HACKERS] Re: [PATCHES] Lock

[Charset ISO-8859-1 unsupported, filtering to ASCII...]
> 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.

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026