[jira] [Created] (SPARK-25942) Dataset.groupByKey can't work on primitive data

["Liang-Chi Hsieh (JIRA)" <ji...@apache.org>]

Liang-Chi Hsieh created SPARK-25942:
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             Summary: Dataset.groupByKey can't work on primitive data
                 Key: SPARK-25942
                 URL: https://issues.apache.org/jira/browse/SPARK-25942
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: Liang-Chi Hsieh


Dataset.groupByKey can't work on primitive data now.

 
{code:java}
val ds = Seq(1, 2, 3).toDS()
val agg = ds.groupByKey(_ >= 2).agg(sum("value").as[Long], sum($"value" + 1).as[Long])
{code}
{code:java}
org.apache.spark.sql.AnalysisException: Reference 'value' is ambiguous, could be: value, value.;                                          
[info]   at org.apache.spark.sql.catalyst.expressions.package$AttributeSeq.resolve(package.scala:247)
[info]   at org.apache.spark.sql.catalyst.plans.logical.LogicalPlan.resolveChildren(LogicalPlan.scala:101)
[info]   at org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveReferences$$anonfun$38.apply(Analyzer.scala:889)
[info]   at org.apache.spark.sql.catalyst.analysis.Analyzer$ResolveReferences$$anonfun$38.apply(Analyzer.scala:891)
...
{code}



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