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https://issues.apache.org/jira/browse/FLINK-8277?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruidong Li reassigned FLINK-8277:
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Assignee: Ruidong Li
> 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 API & SQL
> Reporter: Timo Walther
> Assignee: Ruidong Li
>
> 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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