[jira] [Closed] (FLINK-12610) Introduce planner rules about aggregate

["Kurt Young (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-12610?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kurt Young closed FLINK-12610.
------------------------------
       Resolution: Implemented
    Fix Version/s: 1.9.0

merge in 1.9.0: 370e0cb427c2908677d9f32a1fcfd84cd77bb445

> Introduce planner rules about aggregate
> ---------------------------------------
>
>                 Key: FLINK-12610
>                 URL: https://issues.apache.org/jira/browse/FLINK-12610
>             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 aggregate, rules include:
> 1. {{AggregateCalcMergeRule}}, that recognizes {{Aggregate}} on top of a {{Calc}} and if possible aggregate through the calc or removes the calc
> 2. {{AggregateReduceGroupingRule}}, that reduces unless grouping columns
> 3. {{PruneAggregateCallRule}}, that removes unreferenced AggregateCall from Aggregate
> 4. {{FlinkAggregateRemoveRule}}, that is copied from Calcite's AggregateRemoveRule, and supports SUM, MIN, MAX, AUXILIARY_GROUP functions in non-empty group aggregate
> 5. {{FlinkAggregateJoinTransposeRule}}, that is copied from Calcite's AggregateJoinTransposeRule, and supports Left/Right outer join and aggregate with AUXILIARY_GROUP



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