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Posted to issues@flink.apache.org by "Kurt Young (JIRA)" <ji...@apache.org> on 2019/05/22 01:09:00 UTC

[jira] [Closed] (FLINK-12524) Introduce planner rules about rank

     [ https://issues.apache.org/jira/browse/FLINK-12524?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kurt Young closed FLINK-12524.
------------------------------
       Resolution: Implemented
    Fix Version/s: 1.9.0

merge in 1.9.0: e6f968c504ac323b8ae5da8a9545aae3ac69197c

> Introduce planner rules about rank
> ----------------------------------
>
>                 Key: FLINK-12524
>                 URL: https://issues.apache.org/jira/browse/FLINK-12524
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table SQL / Planner
>            Reporter: godfrey he
>            Assignee: godfrey he
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.9.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> This issue aims to introduce planner rules about rank, rules include:
> 1. {{CalcRankTransposeRule}}, that transposes {{FlinkLogicalCalc}} past {{FlinkLogicalRank}}
>  to reduce rank input fields.
> 2. {{RankNumberColumnRemoveRule}}, that emoves the output column of rank number iff there is a equality condition for the rank column.



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