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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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Cheng Lian updated SPARK-4322:
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Summary: Struct fields can't be used as sub-expression of grouping fields
(was: Analysis incorrectly rejects accessing grouping fields)
> 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
>
> {code}
> sqlContext.jsonRDD(sc.parallelize("""{"a": {"b": [{"c": 1}]}}""" ::
> Nil)).registerTempTable("data")
> sqlContext.sql("SELECT a.b[0].c FROM data GROUP BY a.b[0].c").collect()
> {code}
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