Liya Fan created ARROW-6738:
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Summary: [Java] Fix problems with current union comparison logic
Key: ARROW-6738
URL: https://issues.apache.org/jira/browse/ARROW-6738
Project: Apache Arrow
Issue Type: Bug
Components: Java
Reporter: Liya Fan
Assignee: Liya Fan
There are some problems with the current union comparison logic. For example:
1. For type check, we should not require fields to be equal. It is possible
that two vectors' value ranges are equal but their fields are different.
2. We should not compare the number of sub vectors, as it is possible that two
union vectors have different numbers of sub vectors, but have equal values in
the range.
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