Hi, Oleksandr,

On Oct 21, Oleksandr Byelkin wrote:
> > > > >
> > > > >    if (share->view_def->parse((uchar *) &share->tabledef_version, 
> > > > > NULL,
> > > > >                               view_timestamp_parameters, 1,
> > > > >                               &file_parser_dummy_hook))
> > > > > +  {
> > > > > +    // safety if the definition file is brocken
> > > > > +    share->tabledef_version.length= 0;
> 
> if we got an error as I understood it will nead to an error of opening
> the table, so the query will  fail.
> 
> The other thread may have memory but it is true for any EOM situation
> and there are a lot of places where we allocate memory, so I do not
> see how this will differ.
> 
> The same with changing frm file with a working server, I do not think
> that our server will survive if something out of the server will
> change frms.

May be not, but it doesn't mean we need to introduce intentionally more 
places that can cause a crash. What will happen if you would not set

  share->tabledef_version.length= 0

there?

Regards,
Sergei
VP of MariaDB Server Engineering
and secur...@mariadb.org

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