Re: Clear padding in PgStat_HashKey keys

On Mon, Nov 04, 2024 at 08:52:04AM +0000, Bertrand Drouvot wrote:
> Yeah, but not only the relfilenode ones. All kinds were affected as random data
> was in the padding bytes for all of them.

A quick test where I add some padding junk in PgStat_HashKey proves
that you are right.  I'm wondering if we should backpatch that,
actually, down to where it has been introduced.  We are unlikely going
to change this structure, but if we do for the sake of a bug fix,
which is always a possibility as ABI does not matter much for this
internal structure, that's potentially trouble waiting ahead.
Thoughts?
--
Michael