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https://issues.apache.org/jira/browse/SPARK-4322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust resolved SPARK-4322.
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Resolution: Fixed
Fix Version/s: 1.2.0
Issue resolved by pull request 3248
[https://github.com/apache/spark/pull/3248]
> Struct fields can't be used as sub-expression of grouping fields
> ----------------------------------------------------------------
>
> Key: SPARK-4322
> URL: https://issues.apache.org/jira/browse/SPARK-4322
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Michael Armbrust
> Assignee: Cheng Lian
> Priority: Blocker
> Fix For: 1.2.0
>
>
> Some examples:
> {code}
> sqlContext.jsonRDD(sc.parallelize("""{"a": {"b": [{"c": 1}]}}""" ::
> Nil)).registerTempTable("data1")
> sqlContext.sql("SELECT a.b[0].c FROM data1 GROUP BY a.b[0].c").collect()
> sqlContext.jsonRDD(sc.parallelize("""{"a": {"b": 1}}""" ::
> Nil)).registerTempTable("data2")
> sqlContext.sql("SELECT a.b + 1 FROM data2 GROUP BY a.b + 1").collect()
> {code}
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