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Liya Fan commented on ARROW-6352: --------------------------------- [~emkornfi...@gmail.com] This sounds interesting and useful. Can you please point out the "other JIRAs covering"? > [Java] Add implementation of DenseUnionVector. > ---------------------------------------------- > > Key: ARROW-6352 > URL: https://issues.apache.org/jira/browse/ARROW-6352 > Project: Apache Arrow > Issue Type: Improvement > Reporter: Micah Kornfield > Priority: Major > > Today only Sparse unions are supported. We should have a dense union > implementation vector that conforms to the IPC protocol (the current spare > union vector doesn't do this and there are other JIRAs covering making these > compatible). -- This message was sent by Atlassian Jira (v8.3.2#803003)