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https://issues.apache.org/jira/browse/FLINK-7491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16191245#comment-16191245
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ASF GitHub Bot commented on FLINK-7491:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/4585#discussion_r142664563
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/runtime/aggregate/AggregateUtil.scala
---
@@ -1410,6 +1410,26 @@ object AggregateUtil {
case _: SqlCountAggFunction =>
aggregates(index) = new CountAggFunction
+ case collect: SqlAggFunction if collect.getKind == SqlKind.COLLECT
=>
+ aggregates(index) = sqlTypeName match {
--- End diff --
We can pass the actual `TypeInformation` of the argument type here to the
constructor of the `CollectAggFunction` and don't need to distinguish the
different argument types.
> 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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