Обсуждение: AW: [HACKERS] sequence creation

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AW: [HACKERS] sequence creation

От
Andreas Zeugswetter
Дата:
>> Right now, we allow PRIMARY to auto-create an index.
>> Can we have something to auto-create sequences, instead of the more
>> complicated CREATE SEQUENCE process.
>> Perhaps use the data type SERIAL to autocreate a sequence.  Should
>> make life easier for novices.  We are getting too many sequence
>> questions.
>
>That would be possible. I'd be happier doing it for v6.5, since I'm
>hoping to work on docs in the meantime. Of course, maybe it would be
>easy :)
>
>What should the syntax be exactly?
>
>  CREATE TABLE t (s SERIAL);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

exactly this. :-)    (like in Informix)

Informix also allows to specify a starting value like:
create table t (s serial(1000));
defaulting to 1 but I think this additional syntax is rather misleading

Andreas


Re: AW: [HACKERS] sequence creation

От
Bruce Momjian
Дата:
>
> >> Right now, we allow PRIMARY to auto-create an index.
> >> Can we have something to auto-create sequences, instead of the more
> >> complicated CREATE SEQUENCE process.
> >> Perhaps use the data type SERIAL to autocreate a sequence.  Should
> >> make life easier for novices.  We are getting too many sequence
> >> questions.
> >
> >That would be possible. I'd be happier doing it for v6.5, since I'm
> >hoping to work on docs in the meantime. Of course, maybe it would be
> >easy :)
> >
> >What should the syntax be exactly?
> >
> >  CREATE TABLE t (s SERIAL);
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> exactly this. :-)    (like in Informix)
>
> Informix also allows to specify a starting value like:
> create table t (s serial(1000));
> defaulting to 1 but I think this additional syntax is rather misleading

Thanks to Thomas, this will be in 6.4.

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