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https://issues.apache.org/jira/browse/ARROW-6738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Micah Kornfield reassigned ARROW-6738:
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Assignee: Liya Fan
> [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
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 7h 40m
> Remaining Estimate: 0h
>
> 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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