neilconway commented on code in PR #21854:
URL: https://github.com/apache/datafusion/pull/21854#discussion_r3143488832
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datafusion/functions/src/string/repeat.rs:
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@@ -301,12 +285,18 @@ where
}
}
- // Fast path: no nulls in either array
- if string_array.null_count() == 0 && number_array.null_count() == 0 {
+ // Output is null IFF either input is null
+ let nulls = NullBuffer::union(string_array.nulls(), number_array.nulls());
Review Comment:
Thanks, good suggestion! Done.
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