Re: satisfies_hash_partition crash

Robert Haas <robertmhaas@gmail.com> 于2026年7月2日周四 03:11写道：
>
> Hi,
>
> This test case crashes the server for me:
>
> CREATE TABLE hp (a int) PARTITION BY HASH (a);
> SELECT satisfies_hash_partition('hp'::regclass, 1, 0, VARIADIC NULL::int[]);
>
> I'm inclined to mostly blame my commit
> f3b0897a1213f46b4d3a99a7f8ef3a4b32e03572, which fixed related problems
> but overlooked this one. I think the fix should be simple, but since
> that commit is from 2017, it will need to be back-patched all the way.

Adding PG_ARGISNULL(3) to the beginning of the if() seems workable.
And the comments need to be adjusted.


-- 
Thanks,
Tender Wang