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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2018/11/05 09:05:00 UTC
[jira] [Assigned] (SPARK-25942) Dataset.groupByKey can't work on
primitive data
[ https://issues.apache.org/jira/browse/SPARK-25942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-25942:
------------------------------------
Assignee: Apache Spark
> 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
> Assignee: Apache Spark
> Priority: Major
>
> 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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