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https://issues.apache.org/jira/browse/SPARK-23201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16338525#comment-16338525
]
Dongjoon Hyun commented on SPARK-23201:
---------------------------------------
Hi, [~joha0123].
It seems to work in the latest Apache Spark (2.2.1). Do you really want to
report at *1.6.0*?
{code}
scala> sql("create view v1 as select tmp.colA, tmp.col2, tmp.colB, tmp.col5
from (select * from A left join B on (A.colA = B.colB)) tmp").show
scala> sql("select * from v1").show
+----+----+----+----+
|colA|col2|colB|col5|
+----+----+----+----+
+----+----+----+----+
scala> spark.version
res7: String = 2.2.1
{code}
> Cannot create view when duplicate columns exist in subquery
> -----------------------------------------------------------
>
> Key: SPARK-23201
> URL: https://issues.apache.org/jira/browse/SPARK-23201
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.6.0
> Reporter: Johannes Mayer
> Priority: Critical
>
> I have two tables A(colA, col2, col3), B(colB, col3, col5)
> If i join them in a subquery on A.colA = B.colB i can select the non
> duplicate columns, but i cannot create a view (col3 is duplicate, but not
> selected)
>
> {code:java}
> create view testview as select
> tmp.colA, tmp.col2, tmp.colB, tmp.col5
> from (
> select * from A left join B
> on (A.colA = B.colB)
> )
> {code}
>
>
> This works:
>
> {code:java}
> select
> tmp.colA, tmp.col2, tmp.colB, tmp.col5
> from (
> select * from A left join B
> on (A.colA = B.colB)
> )
> {code}
>
>
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