jdockerty commented on code in PR #13758:
URL: https://github.com/apache/datafusion/pull/13758#discussion_r1884151557
##########
datafusion/functions/src/strings.rs:
##########
@@ -185,7 +185,21 @@ impl StringArrayBuilder {
unsafe { self.offsets_buffer.push_unchecked(next_offset) };
}
+ /// Finalise the builder into a concrete [`StringArray`].
+ ///
+ /// # Panics
+ ///
+ /// This method can panic when:
+ ///
+ /// - the provided `null_buffer` is not the same length as the
`offsets_buffer`.
pub fn finish(self, null_buffer: Option<NullBuffer>) -> StringArray {
+ if let Some(ref null_buffer) = null_buffer {
+ assert_eq!(
+ null_buffer.len(),
+ self.offsets_buffer.len() / size_of::<i32>() - 1,
Review Comment:
Sounds reasonable to me, I've done this in
https://github.com/apache/datafusion/pull/13758/commits/a8a15fce1125e9ab0b531d51765e4ab3e50dd3d6
:+1:
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