On 2009-01-28, Abdul Rahman <abr_ora(at)yahoo(dot)com> wrote:
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> Dear All,
>
> Yesterday I canceled a running query because it was taking long time
> (more than 12 minutes) to delete lots of records. Today when I
> executed the same query it hardly took few seconds to finish. It
> clearly explores that PostgreSQL does not perform rollback action.
> Is it true?
it's true, but that's not proof. (the delete could have got held up by
a lock yesterday)