Ben Kietzman created ARROW-10580:
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Summary: [C++] When Validating, ensure DenseUnionArray offsets are
increasing
Key: ARROW-10580
URL: https://issues.apache.org/jira/browse/ARROW-10580
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Affects Versions: 2.0.0
Reporter: Ben Kietzman
Fix For: 3.0.0
https://github.com/apache/arrow/pull/8652#discussion_r522332386
The format documentation states that "The respective offsets for each child
value array must be in order / increasing."
https://arrow.apache.org/docs/format/Columnar.html#dense-union
However this is not currently checked in {{Array::ValidateFull}}
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