Update HiveQl.scala

Author: baishuo

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

@@ -837,11 +837,6 @@ private[hive] object HiveQl {
           cleanIdentifier(key.toLowerCase) -> None
       }.toMap).getOrElse(Map.empty)
 
-      if (partitionKeys.values.exists(p => p.isEmpty)) {
-        throw new NotImplementedError(s"Do not support INSERT INTO/OVERWRITE with" +
-          s"dynamic partitioning.")
-      }
-
       InsertIntoTable(UnresolvedRelation(db, tableName, None), partitionKeys, query, overwrite)
 
     case a: ASTNode =>