[
https://issues.apache.org/jira/browse/FLINK-23555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17390327#comment-17390327
]
Caizhi Weng commented on FLINK-23555:
-------------------------------------
Hi! The example is missing. Could you check the description again?
> Improve common subexpression elimination by using local references
> ------------------------------------------------------------------
>
> Key: FLINK-23555
> URL: https://issues.apache.org/jira/browse/FLINK-23555
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Reporter: weibowen
> Priority: Major
> Fix For: 1.14.0
>
>
> When we write a sql like
> By default, Flink uses {{org.apache.calcite.rex.RexProgram#expandLocalRef}}
> to remove local references which reverses the effect of common subexpression
> elimination
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
