neilconway commented on code in PR #21442:
URL: https://github.com/apache/datafusion/pull/21442#discussion_r3045797965
##########
datafusion/functions/src/unicode/common.rs:
##########
@@ -119,83 +120,125 @@ pub(crate) fn general_left_right<F: LeftRightSlicer>(
}
}
-/// `general_left_right` implementation for strings
-fn general_left_right_array<
- 'a,
- T: OffsetSizeTrait,
- V: ArrayAccessor<Item = &'a str>,
- F: LeftRightSlicer,
->(
- string_array: V,
+/// Returns true if all offsets in the array fit in u32, meaning the values
+/// buffer can be referenced by StringView's u32 offset field.
+fn values_fit_in_u32<T: OffsetSizeTrait>(string_array: &GenericStringArray<T>)
-> bool {
Review Comment:
Also appears in #21366, I'll refactor to avoid code duplication in a
followup PR.
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