Re: Add new field with auto-icrement to existing table
От | Brice André |
---|---|
Тема | Re: Add new field with auto-icrement to existing table |
Дата | |
Msg-id | CAOBG12nyMVb9rMMyiO+gUjkgLXSUY-7tMXsb2ZNpxQRSOqU3Dw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Add new field with auto-icrement to existing table (Andreas Kretschmer <akretschmer@spamfence.net>) |
Список | pgsql-sql |
Exactly what I needed.
Thanks,2015-01-06 18:44 GMT+01:00 Andreas Kretschmer <akretschmer@spamfence.net>:
Brice André <brice@famille-andre.be> wrote:
> But now, I would want to develop a server-based application. And this
> application would need a single column unique ID for referencing tables
> entries. My current primary key does not fit my needs as it is based on two
> columns. So, I would want to add a new field on all derived tables. And, as I
> don't want to change the synchronisation stuff, the values of this new field
> should be assigned automatically.
Create a new Sequence. I think, that should fit your requirement.
Andreas
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