[jira] [Commented] (SPARK-9950) Wrong Analysis Error for grouping/aggregating on struct fields

["Wenchen Fan (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-9950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14696429#comment-14696429 ] 

Wenchen Fan commented on SPARK-9950:
------------------------------------

this is caused by the extra `UnresolvedAlias` in grouping expression, will be fixed after https://github.com/apache/spark/pull/7957

> Wrong Analysis Error for grouping/aggregating on struct fields
> --------------------------------------------------------------
>
>                 Key: SPARK-9950
>                 URL: https://issues.apache.org/jira/browse/SPARK-9950
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 1.5.0
>            Reporter: Michael Armbrust
>            Assignee: Wenchen Fan
>            Priority: Blocker
>
> Spark 1.4:
> {code}
> import org.apache.spark.sql.functions._
> val df = Seq(("x", (1,1)), ("y", (2, 2))).toDF("a", "b")
> df.groupBy("b._1").agg(sum("b._2")).collect()
> df: org.apache.spark.sql.DataFrame = [a: string, b: struct<_1:int,_2:int>]
> res0: Array[org.apache.spark.sql.Row] = Array([1,1], [2,2])
> {code}
> Spark 1.5
> {code}
> org.apache.spark.sql.AnalysisException: expression 'b' is neither present in the group by, nor is it an aggregate function. Add to group by or wrap in first() if you don't care which value you get.;
> 	at org.apache.spark.sql.catalyst.analysis.CheckAnalysis$class.failAnalysis(CheckAnalysis.scala:37)
> 	at org.apache.spark.sql.catalyst.analysis.Analyzer.failAnalysis(Analyzer.scala:44)
> 	at org.apache.spark.sql.catalyst.analysis.CheckAnalysis$$anonfun$checkAnalysis$1.org$apache$spark$sql$catalyst$analysis$CheckAnalysis$class$$anonfun$$checkValidAggregateExpression$1(CheckAnalysis.scala:110)
> {code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org