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https://issues.apache.org/jira/browse/IMPALA-15127?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang resolved IMPALA-15127.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
Thank [~scarlin] , [~alexandrefimov] and [~amansinha] for the review!
> HBO for computing UnionNode cardinality
> ---------------------------------------
>
> Key: IMPALA-15127
> URL: https://issues.apache.org/jira/browse/IMPALA-15127
> Project: IMPALA
> Issue Type: New Feature
> Components: Frontend
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Major
> Fix For: Impala 5.0.0
>
>
> The HBO hash string of UnionNode should match different operand orders if the
> operands are the same.
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