MazterQyou commented on code in PR #1738:
URL: https://github.com/apache/arrow-rs/pull/1738#discussion_r881324964
##########
arrow/src/compute/kernels/cast.rs:
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@@ -1661,6 +1660,34 @@ fn cast_string_to_timestamp_ns<Offset: OffsetSizeTrait>(
Ok(Arc::new(array) as ArrayRef)
}
+/// Casts Utf8 to Boolean
+fn cast_utf8_to_boolean(from: &ArrayRef, cast_options: &CastOptions) ->
Result<ArrayRef> {
+ let array = from.as_any().downcast_ref::<StringArray>().unwrap();
Review Comment:
`.unwrap()` method stays in line with all other `cast_` functions that use
unsafe unwrap as all of them know the type in advance since they're called from
`cast_with_options` that matches the correct types before calling.
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