Re: Width of SubTransactionId (hello Postgres PRO)

On Thu, Oct 28, 2021 at 10:29:52AM -0400, Chapman Flack wrote:
> Hi,
>
> According to a reported PL/Java issue [0], SubTransactionId in
> Postgres PRO EE 13 has become a typedef uint64 rather than uint32.
>
> What are the plans for this type upstream? I notice it is still uint32
> here, even for 14. Are there plans for it to become uint64 at some point?
> Or to become something else entirely?
>
> I am deliberating whether I should just make the Java type 64 bits and say
> "thereifixedit", or if some other approach would be more futureproof.

I know of no plans to implement 64-bit transaction ids in community
Postgres because of the longer tuple header and file format changes.
It is discussed occasionally though.

--
Bruce Momjian <bruce(at)momjian(dot)us> https://momjian.us
EDB https://enterprisedb.com

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