From 275dac976e7b3f3a1691ee4342819365b31b7786 Mon Sep 17 00:00:00 2001
From: Jacky <jackyq2015@gmail.com>
Date: Mon, 7 Aug 2017 21:53:35 -0400
Subject: [PATCH] fix #137

---
 main/src/com/google/refine/model/RecordModel.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/main/src/com/google/refine/model/RecordModel.java b/main/src/com/google/refine/model/RecordModel.java
index 9e40a2647..2e259283b 100644
--- a/main/src/com/google/refine/model/RecordModel.java
+++ b/main/src/com/google/refine/model/RecordModel.java
@@ -155,7 +155,8 @@ public class RecordModel implements Jsonizable {
                 for (int g = 0; g < groupCount; g++) {
                     KeyedGroup group = keyedGroups.get(g);
 
-                    if (!ExpressionUtils.isNonBlankData(row.getCellValue(group.keyCellIndex))) {
+                    if (!ExpressionUtils.isNonBlankData(row.getCellValue(keyedGroups.get(0).keyCellIndex)) &&
+                        !ExpressionUtils.isNonBlankData(row.getCellValue(group.keyCellIndex))) {
                         int contextRowIndex = lastNonBlankRowsByGroup[g];
                         if (contextRowIndex >= 0) {
                             for (int dependentCellIndex : group.cellIndices) {