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https://issues.apache.org/jira/browse/PHOENIX-5451?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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chenglei updated PHOENIX-5451:
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Description: Phoenix is already doing column prune for single flat table
query, but for subselect in subquery or join, column pruning is not implemented.
> Column pruning for Subselect
> ----------------------------
>
> Key: PHOENIX-5451
> URL: https://issues.apache.org/jira/browse/PHOENIX-5451
> Project: Phoenix
> Issue Type: Improvement
> Affects Versions: 4.14.2
> Reporter: chenglei
> Priority: Major
> Fix For: 4.15.0, 5.1.0
>
>
> Phoenix is already doing column prune for single flat table query, but for
> subselect in subquery or join, column pruning is not implemented.
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