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Posted to issues@spark.apache.org by "Michael Armbrust (JIRA)" <ji...@apache.org> on 2016/12/20 00:24:58 UTC

[jira] [Created] (SPARK-18932) Partial aggregation for collect_set / collect_list

Michael Armbrust created SPARK-18932:
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             Summary: Partial aggregation for collect_set / collect_list
                 Key: SPARK-18932
                 URL: https://issues.apache.org/jira/browse/SPARK-18932
             Project: Spark
          Issue Type: Improvement
          Components: SQL, Structured Streaming
            Reporter: Michael Armbrust


The lack of partial aggregation here is blocking us from using these in streaming.  It still won't be fast, but it would be nice to at least be able to use them.



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