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https://issues.apache.org/jira/browse/PHOENIX-4398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Albert Lee updated PHOENIX-4398:
--------------------------------
    Attachment: PHOENIX-4398_V1.patch

Recommit PHOENIX-4398.patch as PHOENIX-4398_V1.patch. See what will happen.

> Change QueryCompiler get column expressions process from serial to parallel.
> ----------------------------------------------------------------------------
>
>                 Key: PHOENIX-4398
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4398
>             Project: Phoenix
>          Issue Type: Improvement
>    Affects Versions: 4.11.0, 4.13.0
>            Reporter: Albert Lee
>             Fix For: 4.11.0, 4.13.0
>
>         Attachments: PHOENIX-4398.patch, PHOENIX-4398_V1.patch
>
>
> When QueryCompiler compile a select sql, the process of getting column 
> expressions is a serial process. The performance is ok when the table is 
> narrow. But when compile a wide table(e.g. 130 columns in my use case), The 
> time-consuming of this step is very high, over 70ms. So I change 
> TupleProjector(PTable projectedTable) from serial for loop to parallel future.
> Because this is just modify code performance, not add new feture, so there is 
> no unit test.



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