I have been playing around with merge tables. You MUST have the columns and
indexes in the same order.
Eg. Do
SHOW INDEX FROM real_table;
SHOW INDEX FROM merge_table;
If the Column_name order is different you will get either no records or a
bunch of null records when you select on a column that is indexed.
b.
Sergei Golubchik wrote:
> Hi!
>
> On Aug 29, Johnny Withers wrote:
> > I'm not sure if this is a bug or if this is the way MERGE TABLES works
> > in MySQL.
> >
> > It seems that if I have an INDEX in a field (id for instance), and I try
> > to
> > SELECT using a WHERE id=NUMBER, it will fail, even though that NUMBER is
> > a
> > valid id. ID is an int unsigned field with a key on it. However, when I
> > drop
> > the key, everything works as expected..
> >
> > Is this a bug?
> >
> > (also if I tried to ORDER BY id, while indexed, that didn't work either)
> >
>
> Both look like a bug.
> Could you create a repeatable test case ?
>
> Regards,
> Sergei
>
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