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From "Xiao Li (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-13320) Confusing error message for Dataset API when using sum("*")
Date Mon, 15 Feb 2016 02:03:18 GMT

    [ https://issues.apache.org/jira/browse/SPARK-13320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15146838#comment-15146838
] 

Xiao Li commented on SPARK-13320:
---------------------------------

Sure, will do it. Thanks!

> Confusing error message for Dataset API when using sum("*")
> -----------------------------------------------------------
>
>                 Key: SPARK-13320
>                 URL: https://issues.apache.org/jira/browse/SPARK-13320
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Reynold Xin
>
> {code}
> pagecounts4PartitionsDS
>   .map(line => (line._1, line._3))
>   .toDF()
>   .groupBy($"_1")
>   .agg(sum("*") as "sumOccurances")
> {code}
> {code}
> org.apache.spark.sql.AnalysisException: cannot resolve '_1' given input columns _1, _2;
> 	at org.apache.spark.sql.catalyst.analysis.package$AnalysisErrorAt.failAnalysis(package.scala:42)
> 	at org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$checkAnalysis$1$$anonfun$apply$2.applyOrElse(CheckAnalysis.scala:60)
> 	at org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$checkAnalysis$1$$anonfun$apply$2.applyOrElse(CheckAnalysis.scala:57)
> 	at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:319)
> 	at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:319)
> 	at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:53)
> 	at org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:318)
> 	at org.apache.spark.sql.catalyst.plans.QueryPlan.transformExpressionUp$1(QueryPlan.scala:107)
> 	at org.apache.spark.sql.catalyst.plans.QueryPlan.org$apache$spark$sql$catalyst$plans$QueryPlan$$recursiveTransform$2(QueryPlan.scala:117)
> 	at org.apache.spark.sql.catalyst.plans.QueryPlan$$anonfun$org$apache$spark$sql$catalyst$plans$QueryPlan$$recursiveTransform$2$1.apply(QueryPlan.scala:121)
> 	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> 	at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> 	at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> 	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
> 	at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
> 	at scala.collection.AbstractTraversable.map(Traversable.scala:105)
> 	at org.apache.spark.sql.catalyst.plans.QueryPlan.org$apache$spark$sql$catalyst$plans$QueryPlan$$recursiveTransform$2(QueryPlan.scala:121)
> 	at org.apache.spark.sql.catalyst.plans.QueryPlan$$anonfun$2.apply(QueryPlan.scala:125)
> 	at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
> 	at scala.collection.Iterator$class.foreach(Iterator.scala:727)
> 	at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
> 	at scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
> 	at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
> 	at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
> 	at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
> 	at scala.collection.AbstractIterator.to(Iterator.scala:1157)
> 	at scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
> 	at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
> 	at scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
> 	at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
> 	at org.apache.spark.sql.catalyst.plans.QueryPlan.transformExpressionsUp(QueryPlan.scala:125)
> 	at org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$checkAnalysis$1.apply(CheckAnalysis.scala:57)
> 	at org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$checkAnalysis$1.apply(CheckAnalysis.scala:50)
> 	at org.apache.spark.sql.catalyst.trees.TreeNode.foreachUp(TreeNode.scala:105)
> 	at org.apache.spark.sql.catalyst.analysis.CheckAnalysis$class.checkAnalysis(CheckAnalysis.scala:50)
> 	at org.apache.spark.sql.catalyst.analysis.Analyzer.checkAnalysis(Analyzer.scala:44)
> 	at org.apache.spark.sql.execution.QueryExecution.assertAnalyzed(QueryExecution.scala:34)
> 	at org.apache.spark.sql.DataFrame.<init>(DataFrame.scala:133)
> 	at org.apache.spark.sql.DataFrame$.apply(DataFrame.scala:52)
> 	at org.apache.spark.sql.GroupedData.toDF(GroupedData.scala:57)
> 	at org.apache.spark.sql.GroupedData.agg(GroupedData.scala:213)
> {code}
> The error is with sum("*"), not the resolution of group by "_1".



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