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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/04/25 20:29:09 UTC

[GitHub] [arrow-rs] alamb commented on a diff in pull request #1602: Don't access and validate offset buffer in ListArray::from(ArrayData)

alamb commented on code in PR #1602:
URL: https://github.com/apache/arrow-rs/pull/1602#discussion_r858002223


##########
arrow/src/array/array_list.rs:
##########
@@ -524,6 +516,32 @@ mod tests {
         assert_eq!(list_array, another)
     }
 
+    #[test]
+    fn test_empty_list_array() {
+        // Construct an empty value array
+        let value_data = ArrayData::builder(DataType::Int32)
+            .len(0)
+            .add_buffer(Buffer::from_iter(std::iter::empty::<i32>()))

Review Comment:
   Filed https://github.com/apache/arrow-rs/issues/1620 as the follow on work 



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