On Mon, Aug 23, 2004 at 09:16:47AM +0200, Sergei Golubchik wrote:
> Hi!
>
> On Aug 23, Tim Bunce wrote:
> > On Sun, Aug 22, 2004 at 12:32:23PM -0000, Sergei Golubchik wrote:
> > > +Fixed an old bug in concurrent accesses to @code{MERGE} tables
> > > +(even one @code{MERGE} table and @code{MyISAM} tables), that could've
> > > +resulted in a crash or hang of the server. (Bug #2408)
> >
> > Can you qualify "access" in more detail?
> >
> > Can DML statements like SELECT triggger it, or does it require DDL
> > statements like ALTER to trigger it?
>
> Any access - the race condition was in the code that opens the table.
> (that's why I didn't qualify what access :)
Once the table is cached is concurrent access no longer a problem?
(If so the wouldn't "concurrent opening" be more accurate?)
Tim.
> Bugreport was about ALTER, and I didn't try to create a test case that
> use SELECT only.
>
> Regards,
> Sergei
>
> --
> __ ___ ___ ____ __
> / |/ /_ __/ __/ __ \/ / Sergei Golubchik <serg@stripped>
> / /|_/ / // /\ \/ /_/ / /__ MySQL AB, Senior Software Developer
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