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https://issues.apache.org/jira/browse/PHOENIX-7927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell resolved PHOENIX-7927.
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Resolution: Fixed
> Fix EXPLAIN plumbing related NPE in DelegateQueryPlan.setOptimizerDecision
> --------------------------------------------------------------------------
>
> Key: PHOENIX-7927
> URL: https://issues.apache.org/jira/browse/PHOENIX-7927
> Project: Phoenix
> Issue Type: Sub-task
> Reporter: Andrew Kyle Purtell
> Assignee: Andrew Kyle Purtell
> Priority: Major
> Fix For: PHOENIX-7876-feature
>
>
> NPE in setOptimizerDecision because the delegate is null, via
> TotalSegmentsFunctionIT.
> {{getApplicablePlansForSingleFlatQuery}} can call {{recordDecision}} on a
> {{DelegateQueryPlan}} with a null delegate. {{ClientProcessingPlan}}
> overrides {{getContext()}} / {{getTableRef()}} / {{getProjector()}} to use
> local fields, so a null delegate is fine except for the two
> optimizer-decision accessors that DelegateQueryPlan is forwarding
> unconditionally. This is a regression from PHOENIX-7891 that breaks any query
> involving {{TOTAL_SEGMENTS}}.
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