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https://issues.apache.org/jira/browse/IMPALA-15175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Quanlong Huang resolved IMPALA-15175.
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Fix Version/s: Impala 5.0.0
Resolution: Fixed
Resolving this. Thanks [~amansinha], [~scarlin] and [~alexandrefimov] for the
review!
> HBO for computing AnalyticEvalNode cardinality
> ----------------------------------------------
>
> Key: IMPALA-15175
> URL: https://issues.apache.org/jira/browse/IMPALA-15175
> Project: IMPALA
> Issue Type: New Feature
> Reporter: Quanlong Huang
> Assignee: Quanlong Huang
> Priority: Major
> Fix For: Impala 5.0.0
>
>
> AnalyticEvalNode is not cardinaliry-preserving since its output exprs, e.g.
> rank(), can be used as downstream group-by/join keys or predicates which
> impact the downstream cardinality.
> We need its HBO key string to contain the analytic functions and the
> corresponding partition-by/order-by/window clauses.
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