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https://issues.apache.org/jira/browse/CALCITE-2736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde reopened CALCITE-2736:
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Regardless of which release it goes into, the change is producing warnings 
relating to calls to deprecated APIs, so it shouldn't be in master. I have put 
it onto a branch https://github.com/julianhyde/calcite/tree/2736-reduce-options 
and force-pushed to remove it from master. Let's merge it after the release, 
and after the warnings are fixed.

Policy is to release from master, not a spur. It produces a simple change log, 
and holding back merges around release time is not too onerous for a project of 
this velocity.

I don't want even minor changes to be added to this RC. Hive's regress is in 
progress, and takes several days.

> ReduceExpressionsRule never reduces dynamic expressions but this should be 
> configurable
> ---------------------------------------------------------------------------------------
>
>                 Key: CALCITE-2736
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2736
>             Project: Calcite
>          Issue Type: Improvement
>          Components: core
>            Reporter: Jacques Nadeau
>            Assignee: Jacques Nadeau
>            Priority: Major
>             Fix For: 1.19.0
>
>
> There are situations where it is helpful to reduce dynamic SqlCalls. Right 
> now, the ReduceExpressionsRule always avoids doing this. We should enhance 
> the rule so this can be configurable depending on where in planning the rule 
> is used.



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