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Re: ce5cc8fb905: MDEV-29021 ALTER TABLE fails when a stored virtual column is dropped+added

 

I did, in rpl_alter_extra_persistent.test.

Btw, maybe also rename this file, into something not referring to
PERSISTENT?

On Wed, 13 Jul 2022 at 23:41, Sergei Golubchik <serg@xxxxxxxxxxx> wrote:

> Hi, Nikita,
>
> Please, add a test case for DEFAULT in replication, something like I
> described below.
>
> On Jul 13, Nikita Malyavin wrote:
> > On Thu, 7 Jul 2022 at 16:05, Sergei Golubchik <serg@xxxxxxxxxxx> wrote:
> >
> > > Hi, Nikita,
> > >
> > > This is good, but I think fill_extra_persistent_columns() shouldn't be
> > > used at all.
> > >
> > > It doesn't handle default values. I've changed
> rpl_alter_extra_persistent
> > > test
> > > as
> > >
> > > -alter table t1 add column z1 int as(a+1) virtual, add column z2 int as
> > > (a+2) persistent;
> > > +alter table t1 add column z1 int as(a+1) virtual, add column z2 int
> > > default (a+2);
> > >
> > > and, of course, new column z2 wasn't updated properly.
> > > An easy fix would be to use your code in all cases and remove
> > > fill_extra_persistent_columns().
> > >
> > > Could you do that too, please? And add the test case too. May be just,
> > > append
> > >
> > >    , add column z3 int default (a+2)
> > >
> > I'm afraid that we still should mark whose fields for write, or we'll
> > end up broken.
> > So i guess i'll just remove the function and will add a raw cycle
> > through thow fields with marking.
> > There's no error check, so it's not worth a function anymore
>
> Regards,
> Sergei
> VP of MariaDB Server Engineering
> and security@xxxxxxxxxxx
>


-- 
Yours truly,
Nikita Malyavin

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