From 87956be7568eb812dfbad1f6bd1b565b4efe7e2b Mon Sep 17 00:00:00 2001
From: David Huynh <dfhuynh@gmail.com>
Date: Thu, 4 Mar 2010 02:14:40 +0000
Subject: [PATCH] Minor bug: don't try to bind null cell value.

git-svn-id: http://google-refine.googlecode.com/svn/trunk@187 7d457c2a-affb-35e4-300a-418c747d4874
---
 .../java/com/metaweb/gridworks/expr/ExpressionUtils.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/metaweb/gridworks/expr/ExpressionUtils.java b/src/main/java/com/metaweb/gridworks/expr/ExpressionUtils.java
index f5b8574ee..f5928f751 100644
--- a/src/main/java/com/metaweb/gridworks/expr/ExpressionUtils.java
+++ b/src/main/java/com/metaweb/gridworks/expr/ExpressionUtils.java
@@ -28,7 +28,11 @@ public class ExpressionUtils {
             bindings.remove("value");
         } else {
             bindings.put("cell", cell);
-            bindings.put("value", cell.value);
+            if (cell.value == null) {
+                bindings.remove("value");
+            } else {
+                bindings.put("value", cell.value);
+            }
         }
     }