Re: in place alter messing things up
Posted in 2007
Topics: Installation, Setup & Upgrades, Server Administration, Logging & Checkpoints
Ok, thanks for the replies.
I'm surprised I haven't seen this more often. So it's relatively normal
behavior.
Thanks,
floyd
----- Original Message -----
Subject: Re: in place alter messing things up
Date: Fri, November 9, 2007 13:59
From: "bozon" <curtis@crowson1.com>
On Nov 9, 12:45 pm, "Floyd Wellershaus" <fl...@fwellers.com> wrote:
> > Our developers are getting ready for a big upgrade tomorrow. Their
script modifies
> tables, which is causing in place alters. No biggy right ?
> > But, then they are running an internal edit application which edits
rows through a
> cursor. They are having issues where certain rows are trying to be
updated twice,
> as if the cursor got messed up.
> >
> > The workaround for us on this, is to update all the rows in the table
so that
> there aren't any rows using the other version of the table.
> >
> > Is this a bug ? I haven't heard or seen this behavior before.
> > Is there another simpler workaround I should be looking at ? ( update
stats on the
> table doesn't fix it ). I thought of making a checkpoint , but their
application
> has no authority to run an onmode -c
> >
> > Any thoughts or advice ?
> >
> > Thanks,
> > floyd
>
> I have run into problems with in place alters, but only on upgrades.
> We have a nibble script that gets rid of ipa rows slowly so as not to
> interfere with our users.
>
> _______________________________________________
> Informix-list mailing list
> Informix-list@iiug.org
> http://www.iiug.org/mailman/listinfo/informix-list
>
>
On Nov 9, 2:42 pm, "Floyd Wellershaus" <fl...@fwellers.com> wrote:
> Ok, thanks for the replies.
> I'm surprised I haven't seen this more often. So it's relatively normal
> behavior.
>
> Thanks,
> floyd
>
> ----- Original Message -----
> Subject: Re: in place alter messing things up
> Date: Fri, November 9, 2007 13:59
> From: "bozon" <cur...@crowson1.com>
>
> On Nov 9, 12:45 pm, "Floyd Wellershaus" <fl...@fwellers.com> wrote:
> > > Our developers are getting ready for a big upgrade tomorrow. Their
> script modifies
> > tables, which is causing in place alters. No biggy right ?
> > > But, then they are running an internal edit application which edits
> rows through a
> > cursor. They are having issues where certain rows are trying to be
> updated twice,
> > as if the cursor got messed up.
>
> > > The workaround for us on this, is to update all the rows in the table
> so that
> > there aren't any rows using the other version of the table.
>
> > > Is this a bug ? I haven't heard or seen this behavior before.
> > > Is there another simpler workaround I should be looking at ? ( update
> stats on the
> > table doesn't fix it ). I thought of making a checkpoint , but their
> application
> > has no authority to run an onmode -c
>
> > > Any thoughts or advice ?
>
> > > Thanks,
> > > floyd
>
> > I have run into problems with in place alters, but only on upgrades.
> > We have a nibble script that gets rid of ipa rows slowly so as not to
> > interfere with our users.
>
> > _______________________________________________
> > Informix-list mailing list
> > Informix-l...@iiug.org
> >http://www.iiug.org/mailman/listinfo/informix-list
I think it is a bug. I just know when upgrading the database to 10 we
had issues when we still had in place alters.