On Mon, Apr 19, 2004 at 20:16:15 -0300,
PostgreSQL Bugs List <pgsql-bugs(at)postgresql(dot)org> wrote:
> The following bug has been logged online:
> Bug reference: 1139
> Logged by: Emil Tarazi
> Email address: emil(at)cmu(dot)edu
> PostgreSQL version: 7.4
> Operating system: Linux
> Description: Auto-increment and Rollback
> If a query is called within a BEGIN-COMMIT/ROLLBACK block that
> auto-increments some field, a ROLLBACK will not decrement that field.
Assuming you are refering to sequences, that's the way it is supposed
You really should only be using sequences to get unique values.
Within a single session expecting the values to be monotonically
increasing is also valid. Other than that you shouldn't be making
any assumptions about the relation between returned values.
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|Subject: Re: BUG #1140: Auto-increment and Rollback|