scala> val df= sqlContext.sql("SELECT * FROM orc_table limit 1")
17/03/07 13:41:03 INFO ParseDriver: Parsing command: SELECT * FROM Orc_table limit 1
17/03/07 13:41:03 INFO ParseDriver: Parse Completed
java.lang.AssertionError: assertion failed
at scala.Predef$.assert(Predef.scala:165)
at org.apache.spark.sql.execution.datasources.LogicalRelation$anonfun$1.apply(LogicalRelation.scala:39)
at org.apache.spark.sql.execution.datasources.LogicalRelation$anonfun$1.apply(LogicalRelation.scala:38)
at scala.Option.map(Option.scala:145)
at org.apache.spark.sql.execution.datasources.LogicalRelation.<init>(LogicalRelation.scala:38)
at org.apache.spark.sql.execution.datasources.LogicalRelation.copy(LogicalRelation.scala:31)
at org.apache.spark.sql.hive.HiveMetastoreCatalog.org$apache$spark$sql$hive$HiveMetastoreCatalog$convertToOrcRelation(HiveMetastoreCatalog.scala:588)
at org.apache.spark.sql.hive.HiveMetastoreCatalog$OrcConversions$anonfun$apply$2.applyOrElse(HiveMetastoreCatalog.scala:647)
at org.apache.spark.sql.hive.HiveMetastoreCatalog$OrcConversions$anonfun$apply$2.applyOrElse(HiveMetastoreCatalog.scala:643)
at org.apache.spark.sql.catalyst.trees.TreeNode$anonfun$transformUp$1.apply(TreeNode.scala:335)
at org.apache.spark.sql.catalyst.trees.TreeNode$anonfun$transformUp$1.apply(TreeNode.scala:335)
at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:69)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:334)
at org.apache.spark.sql.catalyst.trees.TreeNode$anonfun$5.apply(TreeNode.scala:332)
at org.apache.spark.sql.catalyst.trees.TreeNode$anonfun$5.apply(TreeNode.scala:332)
at org.apache.spark.sql.catalyst.trees.TreeNode$anonfun$4.apply(TreeNode.scala:281)
at scala.collection.Iterator$anon$11.next(Iterator.scala:328)
at scala.collection.Iterator$class.foreach(Iterator.scala:727)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
at scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:48)
at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:103)
at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:47)
at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:273)
at scala.collection.AbstractIterator.to(Iterator.scala:1157)
at scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:265)
at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1157)
at scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:252)
at scala.collection.AbstractIterator.toArray(Iterator.scala:1157)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformChildren(TreeNode.scala:321)
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