Re: Add new field with auto-icrement to existing table

From: Andreas Kretschmer <akretschmer(at)spamfence(dot)net>
To: pgsql-sql(at)postgresql(dot)org
Subject: Re: Add new field with auto-icrement to existing table
Date: 2015-01-06 17:44:37
Message-ID: 20150106174437.GA24259@tux
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Brice André <brice(at)famille-andre(dot)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
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly." (unknown)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°

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