Re: SUBTRANS: Minimizing calls to SubTransSetParent() - Mailing list pgsql-hackers

From Dilip Kumar
Subject Re: SUBTRANS: Minimizing calls to SubTransSetParent()
Date
Msg-id CAFiTN-vONGDL8vEMnv2SzL0zgOs2uti7uZGX-VMP_5tvWv1JqA@mail.gmail.com
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In response to Re: SUBTRANS: Minimizing calls to SubTransSetParent()  (Simon Riggs <simon.riggs@enterprisedb.com>)
Responses Re: SUBTRANS: Minimizing calls to SubTransSetParent()
List pgsql-hackers
On Wed, Aug 10, 2022 at 6:31 PM Simon Riggs
<simon.riggs@enterprisedb.com> wrote:
>
> On Wed, 10 Aug 2022 at 08:34, Dilip Kumar <dilipbalaut@gmail.com> wrote:
> >
> > Am I still missing something?
>
> No, you have found a dependency between the patches that I was unaware
> of. So there is no bug if you apply both patches.

Right

>
> > So I still think some adjustment is required in XidInMVCCSnapdhot()
>
> That is one way to resolve the issue, but not the only one. I can also
> change AssignTransactionId() to recursively register parent xids for
> all of a subxid's parents.
>
> I will add in a test case and resolve the dependency in my next patch.

Okay, thanks, I will look into the updated patch after you submit that.

-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com



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