Antw: Rollback & Nextval fails

From: "Gerhard Dieringer" <DieringG(at)eba-haus(dot)de>
To: <pgsql-sql(at)hub(dot)org>, <Fredrik_Eriksson(at)NAI(dot)com>
Subject: Antw: Rollback & Nextval fails
Date: 2000-05-29 09:44:21
Message-ID: s9325817.046@kopo001
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Fredrik Eriksson wrote:

> I have been trying the following SQL code :

> BEGIN;
> INSERT INTO table VALUES ( NEXTVAL('serial'), 'Data' );
> ROLLBACK;

> And the insert function is rolled back but the serial sequence isn't. Hav I
> misunderstood the functionality of rollback or is this a bug? Is there
> someway to get the functionality that rollsback everything?

It's not a bug but a feature.
Sequence numbers exist to create unique entity-id-number with (usually) no external meaning, so
1.) there is no need to roll them back
2.) the system would have to keep a list, what sequence number were rolled back.

Gerhard

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