From d4a24c56e5f1806829c667595bcd7af31e66767e Mon Sep 17 00:00:00 2001
From: yakolee <yakolyh@gmail.com>
Date: Thu, 19 Jun 2014 14:21:13 +0800
Subject: [PATCH] bugfix for npe

---
 .../com/alibaba/druid/sql/visitor/SQLEvalVisitorUtils.java | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/alibaba/druid/sql/visitor/SQLEvalVisitorUtils.java b/src/main/java/com/alibaba/druid/sql/visitor/SQLEvalVisitorUtils.java
index 7564d5f2c2..9208bc450c 100644
--- a/src/main/java/com/alibaba/druid/sql/visitor/SQLEvalVisitorUtils.java
+++ b/src/main/java/com/alibaba/druid/sql/visitor/SQLEvalVisitorUtils.java
@@ -1725,7 +1725,12 @@ public class SQLEvalVisitorUtils {
         }
 
         if (a instanceof Integer || b instanceof Integer) {
-            return castToInteger(a).equals(castToInteger(b));
+            Integer inta = castToInteger(a);
+            Integer intb = castToInteger(b);
+            if (inta == null || intb == null) {
+                return false;
+            }
+            return inta.equals(intb);
         }
 
         if (a instanceof Short || b instanceof Short) {