Vinod KC created SPARK-6223:
-------------------------------

             Summary: Avoid Build warning- enable implicit value 
scala.language.existentials visible
                 Key: SPARK-6223
                 URL: https://issues.apache.org/jira/browse/SPARK-6223
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 1.3.0
            Reporter: Vinod KC
            Priority: Trivial


spark/sql/core/src/main/scala/org/apache/spark/sql/sources/ddl.scala:316: 
inferred existential type Option[(Class[_$4], 
org.apache.spark.sql.sources.BaseRelation)] forSome { type _$4 }, which cannot 
be expressed by wildcards,  should be enabled by making the implicit value 
scala.language.existentials visible.
This can be achieved by adding the import clause 'import 
scala.language.existentials'



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