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Message #10753
Re: [Commits] 4d6b16f: Fixed the bug mdev-12838.
I can't find any other flaws in the patch.
I know we are not agreeing on which version should such patches be pushed into,
let's discuss this on the call.
On Wed, Jun 07, 2017 at 05:49:35PM +0300, Sergey Petrunia wrote:
> Hello Igor,
>
> On Wed, May 31, 2017 at 10:45:07AM -0700, IgorBabaev wrote:
> > revision-id: 4d6b16f10f9991821c128c382d32eb85248b3926 (mariadb-5.5.56-14-g4d6b16f)
> > parent(s): b8405c853fa30002d164d5fe2b4f8ea8979c09b8
> > author: Igor Babaev
> > committer: Igor Babaev
> > timestamp: 2017-05-31 10:45:07 -0700
> > message:
> >
> > Fixed the bug mdev-12838.
> >
> ...
> > +bool JOIN_TAB::keyuse_is_valid_for_access_in_chosen_plan(JOIN *join,
> > + KEYUSE *keyuse)
> > +{
> > + if (!access_from_tables_is_allowed(keyuse->used_tables,
> > + join->sjm_lookup_tables))
> > + return false;
> > + if (join->sjm_scan_tables & table->map)
> > + return true;
> > + table_map keyuse_sjm_scan_tables= keyuse->used_tables &
> > + join->sjm_scan_tables;
> > + if (!keyuse_sjm_scan_tables)
> > + return true;
> > + uint sjm_tab_nr= 0;
> > + while (!(keyuse_sjm_scan_tables & 1 << sjm_tab_nr))
>
> The above "1" is a 32-bit number, while it should have the same bit length as
> table_map (that is, 64). Please use "table_map(1)".
>
>
> BR
> Sergei
> --
> Sergei Petrunia, Software Developer
> MariaDB Corporation | Skype: sergefp | Blog: http://s.petrunia.net/blog
>
>
--
BR
Sergei
--
Sergei Petrunia, Software Developer
MariaDB Corporation | Skype: sergefp | Blog: http://s.petrunia.net/blog
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