On Tue, Sep 29, 2020 at 3:16 PM Greg Nancarrow <gregn4422@gmail.com> wrote:
>
> Hi Vignesh and Bharath,
>
> Seems like the Parallel Copy patch is regarding RI_TRIGGER_PK as
> parallel-unsafe.
> Can you explain why this is?
Yes we don't need to restrict parallelism for RI_TRIGGER_PK cases as
we don't do any command counter increments while performing PK checks
as opposed to RI_TRIGGER_FK/foreign key checks. We have modified this
in the v6 patch set.
Regards,
Vignesh
EnterpriseDB: http://www.enterprisedb.com