[jira] [Created] (SPARK-23519) Create View Commands Fails with The view output (col1,col1) contains duplicate column name

["Franck Tago (JIRA)" <ji...@apache.org>]

Franck Tago created SPARK-23519:
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             Summary: Create View Commands Fails with  The view output (col1,col1) contains duplicate column name
                 Key: SPARK-23519
                 URL: https://issues.apache.org/jira/browse/SPARK-23519
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.2.1
            Reporter: Franck Tago


1- create and populate a hive table  . I did this in a hive cli session .[ not that this matters ]

create table  atable (col1 int) ;

insert  into atable values (10 ) , (100)  ;

2. create a view form the table.   [ I did this from a spark shell ]

spark.sql("create view  default.aview  (int1 , int2 ) as select  col1 , col1 from atable ")
java.lang.AssertionError: assertion failed: The view output (col1,col1) contains duplicate column name.
 at scala.Predef$.assert(Predef.scala:170)
 at org.apache.spark.sql.execution.command.ViewHelper$.generateViewProperties(views.scala:361)
 at org.apache.spark.sql.execution.command.CreateViewCommand.prepareTable(views.scala:236)
 at org.apache.spark.sql.execution.command.CreateViewCommand.run(views.scala:174)
 at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:58)
 at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:56)
 at org.apache.spark.sql.execution.command.ExecutedCommandExec.executeCollect(commands.scala:67)
 at org.apache.spark.sql.Dataset.<init>(Dataset.scala:183)
 at org.apache.spark.sql.Dataset$.ofRows(Dataset.scala:68)
 at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:632)



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