[jira] [Commented] (SPARK-11186) Caseness inconsistency between SQLContext and HiveContext

["Hyukjin Kwon (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-11186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15557911#comment-15557911 ] 

Hyukjin Kwon commented on SPARK-11186:
--------------------------------------

[~smolav] Could you confirm if this still happens in the current master?

> Caseness inconsistency between SQLContext and HiveContext
> ---------------------------------------------------------
>
>                 Key: SPARK-11186
>                 URL: https://issues.apache.org/jira/browse/SPARK-11186
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.5.1
>            Reporter: Santiago M. Mola
>            Priority: Minor
>
> Default catalog behaviour for caseness is different in {{SQLContext}} and {{HiveContext}}.
> {code}
>   test("Catalog caseness (SQL)") {
>     val sqlc = new SQLContext(sc)
>     val relationName = "MyTable"
>     sqlc.catalog.registerTable(relationName :: Nil, LogicalRelation(new BaseRelation {
>       override def sqlContext: SQLContext = sqlc
>       override def schema: StructType = StructType(Nil)
>     }))
>     val tables = sqlc.tableNames()
>     assert(tables.contains(relationName))
>   }
>   test("Catalog caseness (Hive)") {
>     val sqlc = new HiveContext(sc)
>     val relationName = "MyTable"
>     sqlc.catalog.registerTable(relationName :: Nil, LogicalRelation(new BaseRelation {
>       override def sqlContext: SQLContext = sqlc
>       override def schema: StructType = StructType(Nil)
>     }))
>     val tables = sqlc.tableNames()
>     assert(tables.contains(relationName))
>   }
> {code}
> Looking at {{HiveContext#SQLSession}}, I see this is the intended behaviour. But the reason that this is needed seems undocumented (both in the manual or in the source code comments).



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