comphead commented on issue #16187:
URL: https://github.com/apache/datafusion/issues/16187#issuecomment-2912971577
> Hi, this will be my first time contributing to datafusion.
>
> I've made the fix, which now emits the following for problematic queries:
>
> > select map_values(map([named_struct('a', 1, 'b', null)],
[named_struct('a', 1, 'b', null)]))[0] as a;
> +------+
> | a |
> +------+
> | NULL |
> +------+
>
> > select [named_struct('a', 1, 'b', null)][0] as a;
> +------+
> | a |
> +------+
> | NULL |
> +------+
> 1 row(s) fetched.
> Elapsed 0.005 seconds.
> Is this the expected behavior?
Thanks @krishvishal lets have a PR and we can discuss the behavior there.
But having NULLs if out of bounds happen makes sense to me
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