[jira] [Updated] (FLINK-8277) Optimize code generation by using local references

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-8277:
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    Labels: auto-deprioritized-major auto-unassigned stale-minor  (was: auto-deprioritized-major auto-unassigned)

I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community manage its development. I see this issues has been marked as Minor but is unassigned and neither itself nor its Sub-Tasks have been updated for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is still Minor, please either assign yourself or give an update. Afterwards, please remove the label or in 7 days the issue will be deprioritized.


> Optimize code generation by using local references
> --------------------------------------------------
>
>                 Key: FLINK-8277
>                 URL: https://issues.apache.org/jira/browse/FLINK-8277
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / API
>            Reporter: Timo Walther
>            Priority: Minor
>              Labels: auto-deprioritized-major, auto-unassigned, stale-minor
>
> By default, Flink uses {{org.apache.calcite.rex.RexProgram#expandLocalRef}} to remove local references which reverses the effect of common subexpression elimination. For a more performant execution and smaller generated code we should leverage common subexpressions.



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