Bryan Cutler created ARROW-13044:
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Summary: [Java] Union vectors should extend BaseValueVector
Key: ARROW-13044
URL: https://issues.apache.org/jira/browse/ARROW-13044
Project: Apache Arrow
Issue Type: Improvement
Components: Java
Affects Versions: 4.0.1
Reporter: Bryan Cutler
Assignee: Bryan Cutler
I was going to try using a DenseUnionVector as the underlying vector of an
extension type but it's not currently possible because ExtensionTypeVector has
a type constraint for the underlying storage to extend BaseValueVector and the
union vectors do not extend this class.
It should be possible for UnionVector and DenseUnionVector to extend
AbstractContainerVector, which is a subclass of BaseValueVector.
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