From 465b025ace51b9329a455031cd74826ec52beb2d Mon Sep 17 00:00:00 2001
From: Antonin Delpeuch <antonin@delpeuch.eu>
Date: Tue, 5 Mar 2019 09:32:36 +0000
Subject: [PATCH] Fix ReconStats computation data extension operation

---
 .../com/google/refine/model/changes/DataExtensionChange.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/main/src/com/google/refine/model/changes/DataExtensionChange.java b/main/src/com/google/refine/model/changes/DataExtensionChange.java
index 1bb2a35c7..0da9c0f6e 100644
--- a/main/src/com/google/refine/model/changes/DataExtensionChange.java
+++ b/main/src/com/google/refine/model/changes/DataExtensionChange.java
@@ -221,8 +221,9 @@ public class DataExtensionChange implements Change {
                         _identifierSpace,
                         _schemaSpace,
                         columnType));
-                if (columnType != null) {
-                        column.setReconStats(ReconStats.create(project, cellIndex));
+                ReconStats reconStats = ReconStats.create(project, cellIndex);
+                if (reconStats.matchedTopics > 0) {
+                    column.setReconStats(reconStats);
                 }
                 
                 try {