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https://issues.apache.org/jira/browse/FLINK-7403?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hequn Cheng reassigned FLINK-7403:
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Assignee: Hequn Cheng
> Remove expandLocalRef() before code generation
> ----------------------------------------------
>
> Key: FLINK-7403
> URL: https://issues.apache.org/jira/browse/FLINK-7403
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Timo Walther
> Assignee: Hequn Cheng
> Priority: Major
>
> Currently, we expand local references before code generation. This means that
> expressions that actually only need to be evaluated once, might be evaluated
> multiple times. We should remove the expand step where possible.
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