Re: SERIAL does not ROLLBACK

I had thought about this as well - I am developing an invoicing
application for my small business.

There are definately applications that you want to ensure that there are
no 'holes' in the numbers, such as invoice numbers - technical
limitations notwithstanding..

Tim


BERG Thomas wrote:

>I believe this is deliberate on the part of the postgresql programmers.  If
>serial numbers could be rolled back, you'd have to block any other
>transactions that wanted a new serial number until the first transaction had
>committed.
>
>I don't know how to get around this, but I'd think pretty carefully before I
>decided to, unless I were an a single-user or extremely few-user scenario.
>
>Berg
>
>-----Original Message-----
>From: pgsql-novice-owner@postgresql.org
>[mailto:pgsql-novice-owner@postgresql.org]On Behalf Of Muhammad Shariq
>Muzaffar
>Sent: Wednesday, March 12, 2003 4:21 PM
>To: pgsql-sql@postgresql.org
>Cc: pgsql-novice@postgresql.org
>Subject: [NOVICE] SERIAL does not ROLLBACK
>
>
>hi
>i have a table named 'mytable' with a column of type
>serial. After inserting tuples in a transaction, when
>i rollback the transaction the serial number does not
>come back to its original value and next time when i
>insert the data, it start with the incremented value.
>WHY?? how can i make it to come back to its orignial
>value in case of rollback.
>
>thanx in advance...
>
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