Re: Modelling Oracle Sequences

Hi Pavel,

Thanks for that.

I hadn't realised there was support for proper sequences.

Usual asking before fully researching.

Thanks,


Julian.


-----Original Message-----
From: Pavel Stehule [mailto:stehule@kix.fsv.cvut.cz]
Sent: 21 November 2003 09:42
To: Julian North
Cc: 'pgsql-general@postgresql.org'
Subject: Re: [GENERAL] Modelling Oracle Sequences


Hello

why can't use normal sequence? There isn't difference betwen Oracle and
PostgreSQL?

http://www.postgresql.org/docs/7.3/static/sql-createsequence.html


regards
Pavel



On Fri, 21 Nov 2003, Julian North wrote:

> Hi,
>
> I am in the process of porting a number of large MSSQL databases to
> Postgres.
>
> The current id generation model in SQL server is an oracle style sequence
> generator i wrote using a pretty simple stored proc and table structure.
>
> I now need to do the same thnig in postgres.
>
> In MSSQL I was able to open an UPDATE cursor, which places a lock on the
row
> in the sequence table. I then update, release and return.
>
> Has anyone done something similar or have any pointers on how to do this
> safely, securely without an update cursor?
>
> Any infor appreciated.
>
> Cheers,
>
>
>
> Julian.
>
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