using executeCollect instead collect

Author: scwf

sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveContext.scala

@@ -377,7 +377,7 @@ class HiveContext(sc: SparkContext) extends SQLContext(sc) {
         command.executeCollect().map(_.head.toString)
 
       case other =>
-        val result: Seq[Seq[Any]] = toRdd.map(_.copy()).collect().toSeq
+        val result: Seq[Seq[Any]] = other.executeCollect().toSeq
         // We need the types so we can output struct field names
         val types = analyzed.output.map(_.dataType)
         // Reformat to match hive tab delimited output.