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https://issues.apache.org/jira/browse/FLINK-11449?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther closed FLINK-11449.
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Resolution: Fixed
Fix Version/s: 1.9.0
Fixed in 1.9.0:
Introduce a new expression stack and visitor interface
8e3985110693d2999a4b827929891ca2e6575cd2
Represent built-in expressions as planner expressions
d1fa236bf3c8fcb49868e17d69c3578f47940baf
Add a converter for PlannerExpressions
a7aa58b62ccbb6e02f22ae1282e8fbc246641022
Uncouple table expressions from Calcite
939038fc2a5bfff5a1fc9347a2c21f5876910e0f
> Uncouple the Expression class from RexNodes
> -------------------------------------------
>
> Key: FLINK-11449
> URL: https://issues.apache.org/jira/browse/FLINK-11449
> Project: Flink
> Issue Type: New Feature
> Components: API / Table SQL
> Reporter: Timo Walther
> Assignee: sunjincheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> A more detailed description can be found in
> [FLIP-32|https://cwiki.apache.org/confluence/display/FLINK/FLIP-32%3A+Restructure+flink-table+for+future+contributions].
> Calcite will not be part of any API module anymore. Therefore, RexNode
> translation must happen in a different layer. This issue will require a new
> design document.
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