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https://issues.apache.org/jira/browse/FLINK-6124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15953740#comment-15953740
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ASF GitHub Bot commented on FLINK-6124:
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Github user asfgit closed the pull request at:
https://github.com/apache/flink/pull/3593
> support max/min aggregations for string type
> --------------------------------------------
>
> Key: FLINK-6124
> URL: https://issues.apache.org/jira/browse/FLINK-6124
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Zhenghua Gao
> Assignee: Zhenghua Gao
> Fix For: 1.3.0
>
>
> Recently when I port some query to Flink SQL, I found currently min/max
> aggregations on string type is not supported and should be added.
> When min/max aggregations are used on string column, return min/max value by
> lexicographically order.
>
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