1 files changed, 2 insertions, 1 deletions
diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala
index b4808fdbed..ec7e53efc8 100644
--- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala
+++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala
@@ -427,7 +427,8 @@ private[hive] object HadoopTableReader extends HiveInspectors with Logging {
     iterator.map { value =>
       val raw = converter.convert(rawDeser.deserialize(value))
       var i = 0
-      while (i < fieldRefs.length) {
+      val length = fieldRefs.length
+      while (i < length) {
         val fieldValue = soi.getStructFieldData(raw, fieldRefs(i))
         if (fieldValue == null) {
           mutableRow.setNullAt(fieldOrdinals(i))