Re: [GENERAL] xmin increasing within a transaction block?

Alvaro Herrera <alvherre@alvh.no-ip.org> writes:
> Luca Ferrari wrote:
>> Why is xmin greater than the current transaction id (and most notably
>> not "fixed")?

> Something is using subtransactions there.  My first guess would be that
> there are triggers with EXCEPTION blocks, but your example doesn't show
> any.  Or maybe you have event triggers.

I can reproduce the example if I "\set ON_ERROR_ROLLBACK on" in psql.
        regards, tom lane


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