fix: correctly specify the nullability of map_values
return type
#15901
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Which issue does this PR close?
N/A
but related to:
return_type
in favor ofreturn_type_from_args
#15662Rationale for this change
The map_values UDF does not specify correctly the nullability of the result list.
when the input map array is nullable the output list is nullable, when the input map array values is nullable, the output list items are nullable
What changes are included in this PR?
updated
map_values
to usereturn_type_from_args
Are these changes tested?
yes
Are there any user-facing changes?
yes