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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7491) Support COLLECT Aggregate function in Flink SQL
Date Thu, 14 Sep 2017 13:19:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16166289#comment-16166289
] 

ASF GitHub Bot commented on FLINK-7491:
---------------------------------------

Github user twalthr commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4585#discussion_r138889015
  
    --- Diff: flink-libraries/flink-table/src/main/scala/org/apache/flink/table/calcite/FlinkTypeFactory.scala
---
    @@ -211,6 +218,14 @@ class FlinkTypeFactory(typeSystem: RelDataTypeSystem) extends JavaTypeFactoryImp
         canonize(relType)
       }
     
    +  override def createMultisetType(elementType: RelDataType, maxCardinality: Long): RelDataType
= {
    +    val relType = new MultisetRelDataType(
    --- End diff --
    
    There are multiple location where a new type has to be added like `FlinkRelNode`.


> Support COLLECT Aggregate function in Flink SQL
> -----------------------------------------------
>
>                 Key: FLINK-7491
>                 URL: https://issues.apache.org/jira/browse/FLINK-7491
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API & SQL
>            Reporter: Shuyi Chen
>            Assignee: Shuyi Chen
>




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