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https://issues.apache.org/jira/browse/SPARK-12555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15073805#comment-15073805
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Tim Preece commented on SPARK-12555:
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Set priority to Major following guidance here -
https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark#ContributingtoSpark-JIRA
Although I would suggest that the priority could be set higher.
> Build Failure on 1.6 ( DatasetAggregatorSuite )
> -----------------------------------------------
>
> Key: SPARK-12555
> URL: https://issues.apache.org/jira/browse/SPARK-12555
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Environment: ALL platforms ( although test only explicitly fails on
> Big Endian platforms ).
> Reporter: Tim Preece
>
> org.apache.spark.sql.DatasetAggregatorSuite
> - typed aggregation: class input with reordering *** FAILED ***
> Results do not match for query:
> == Parsed Logical Plan ==
> Aggregate [value#748],
> [value#748,(ClassInputAgg$(b#650,a#651),mode=Complete,isDistinct=false) AS
> ClassInputAgg$(b,a)#762]
> +- AppendColumns <function1>, class[a[0]: int, b[0]: string],
> class[value[0]: string], [value#748]
> +- Project [one AS b#650,1 AS a#651]
> +- OneRowRelation$
>
> == Analyzed Logical Plan ==
> value: string, ClassInputAgg$(b,a): int
> Aggregate [value#748],
> [value#748,(ClassInputAgg$(b#650,a#651),mode=Complete,isDistinct=false) AS
> ClassInputAgg$(b,a)#762]
> +- AppendColumns <function1>, class[a[0]: int, b[0]: string],
> class[value[0]: string], [value#748]
> +- Project [one AS b#650,1 AS a#651]
> +- OneRowRelation$
>
> == Optimized Logical Plan ==
> Aggregate [value#748],
> [value#748,(ClassInputAgg$(b#650,a#651),mode=Complete,isDistinct=false) AS
> ClassInputAgg$(b,a)#762]
> +- AppendColumns <function1>, class[a[0]: int, b[0]: string],
> class[value[0]: string], [value#748]
> +- Project [one AS b#650,1 AS a#651]
> +- OneRowRelation$
>
> == Physical Plan ==
> TungstenAggregate(key=[value#748],
> functions=[(ClassInputAgg$(b#650,a#651),mode=Final,isDistinct=false)],
> output=[value#748,ClassInputAgg$(b,a)#762])
> +- TungstenExchange hashpartitioning(value#748,5), None
> +- TungstenAggregate(key=[value#748],
> functions=[(ClassInputAgg$(b#650,a#651),mode=Partial,isDistinct=false)],
> output=[value#748,value#758])
> +- !AppendColumns <function1>, class[a[0]: int, b[0]: string],
> class[value[0]: string], [value#748]
> +- Project [one AS b#650,1 AS a#651]
> +- Scan OneRowRelation[]
> == Results ==
> !== Correct Answer - 1 == == Spark Answer - 1 ==
> ![one,1] [one,9] (QueryTest.scala:127)
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