Previously Werner F. Bruhin wrote:
>
> Hi Leonard,
>
> paniq303 wrote:
> > Hello,
> >
> > how is the progress with this feature - how can I use it? My
> > application strongly depends on AUTOINCREMENT being available.
> >
> > To explain:
> >
> > Without AUTOINCREMENT, a deleted primary key will be reassigned.
> >
> > As an example: three records are created, with ids 1, 2 and 3. Now the
> > record with id 3 is being deleted. We create a new record, and this
> > record will get id 3 again, instead of id 4. In this way, there can be
> > confusion between the old and the new record with id 3.
> >
> It is available in SA, i.e. I use it with Firebird SQL and in my model I
> just do this:
> sa.Column(u'langid', sa.Integer(),
> sa.Sequence('gen_language_langid'), primary_key=True, nullable=False),
Can someone explain what the differences between using a sequence like
this or autoincrement=True on the column are?
Wichert.
--
Wichert Akkerman <[email protected]> It is simple to make things.
http://www.wiggy.net/ It is hard to make things simple.
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