[jira] [Resolved] (SPARK-17866) Dataset.dropDuplicates (i.e., distinct) should not change the output of child plan

2017-01-17 Thread Shixiong Zhu (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-17866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Shixiong Zhu resolved SPARK-17866.
--
Resolution: Won't Fix

> Dataset.dropDuplicates (i.e., distinct) should not change the output of child 
> plan
> --
>
> Key: SPARK-17866
> URL: https://issues.apache.org/jira/browse/SPARK-17866
> Project: Spark
>  Issue Type: Bug
>  Components: SQL
>Reporter: Liang-Chi Hsieh
>Assignee: Liang-Chi Hsieh
> Fix For: 2.1.0
>
>
> We create new Alias with new exprId in Dataset.dropDuplicates now. However it 
> causes problem when we want to select the columns as follows:
> {code}
> val ds = Seq(("a", 1), ("a", 2), ("b", 1), ("a", 1)).toDS()
> // ds("_2") will cause analysis exception
> ds.dropDuplicates("_1").select(ds("_1").as[String], ds("_2").as[Int])
> {code}



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

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

[jira] [Resolved] (SPARK-17866) Dataset.dropDuplicates (i.e., distinct) should not change the output of child plan

2016-10-12 Thread Wenchen Fan (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-17866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Wenchen Fan resolved SPARK-17866.
-
   Resolution: Fixed
Fix Version/s: 2.1.0

Issue resolved by pull request 15427
[https://github.com/apache/spark/pull/15427]

> Dataset.dropDuplicates (i.e., distinct) should not change the output of child 
> plan
> --
>
> Key: SPARK-17866
> URL: https://issues.apache.org/jira/browse/SPARK-17866
> Project: Spark
>  Issue Type: Bug
>  Components: SQL
>Reporter: Liang-Chi Hsieh
>Assignee: Liang-Chi Hsieh
> Fix For: 2.1.0
>
>
> We create new Alias with new exprId in Dataset.dropDuplicates now. However it 
> causes problem when we want to select the columns as follows:
> {code}
> val ds = Seq(("a", 1), ("a", 2), ("b", 1), ("a", 1)).toDS()
> // ds("_2") will cause analysis exception
> ds.dropDuplicates("_1").select(ds("_1").as[String], ds("_2").as[Int])
> {code}



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

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