Re: Need new accessors to THD internals

On Fri, Aug 31, 2007 at 02:00:14PM +1000, Stewart Smith wrote:
> On Thu, 2007-08-30 at 16:33 +0300, Marko Mäkelä wrote:
> > I guess InnoDB doesn't support DROP TABLE ... CASCADE then. On a
> > related note, while testing smart ALTER TABLE, I found out that
> > ALTER TABLE ... DROP FOREIGN KEY is not too smart: it will rebuild
> > the table and all indexes in the old-fashioned way. This is a MySQL
> > limitation.
>
> I guess the new generic ALTER TABLE code that (i think) has now been
> merged into 5.2 (at least it's in the NDB telco tree) should work for
> this?

I can see the constant ALTER_FOREIGN_KEY in the 5.2 sql_table.cc, but it doesn't seem to be a constant for handlerton::alter_table_flags in handler.h. Is there some documentation on the generic ALTER TABLE?

        Marko

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