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https://issues.apache.org/jira/browse/FLINK-7491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16168430#comment-16168430
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ASF GitHub Bot commented on FLINK-7491:
---------------------------------------
Github user suez1224 commented on a diff in the pull request:
https://github.com/apache/flink/pull/4585#discussion_r139237144
--- 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 --
Added changes in FlinkRelNode & ExpressionReducer
> 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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