From efe31c052a37692be6761d9e386e17f283904cad Mon Sep 17 00:00:00 2001
From: Novemser <novemser@gmail.com>
Date: Wed, 6 Dec 2017 17:32:49 +0800
Subject: [PATCH] Fix cast AIOB error

---
 src/main/java/com/pingcap/tikv/operation/transformer/Cast.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/pingcap/tikv/operation/transformer/Cast.java b/src/main/java/com/pingcap/tikv/operation/transformer/Cast.java
index acd0c3dd..d5b58543 100644
--- a/src/main/java/com/pingcap/tikv/operation/transformer/Cast.java
+++ b/src/main/java/com/pingcap/tikv/operation/transformer/Cast.java
@@ -30,7 +30,8 @@ public Cast(DataType type) {
   public void set(Object value, Row row, int pos) {
     Object casted;
     if (value == null) {
-      row.set(row.fieldCount(), targetDataType, null);
+      row.set(pos, targetDataType, null);
+      return;
     }
     if (targetDataType instanceof IntegerType) {
       casted = castToLong(value);