diff --git a/src/share/stat/ob_opt_osg_column_stat.cpp b/src/share/stat/ob_opt_osg_column_stat.cpp
index eacd3a1be6..8720981475 100644
--- a/src/share/stat/ob_opt_osg_column_stat.cpp
+++ b/src/share/stat/ob_opt_osg_column_stat.cpp
@@ -259,8 +259,8 @@ int ObOptOSGColumnStat::inner_merge_min(const ObDatum &datum, const ObObjMeta &m
         LOG_WARN("failed to deep copy datum");
       }
     }
+    LOG_TRACE("succeed to merge min datum", K(cmp_ret), K(*min_val_.datum_), K(datum), K(meta));
   }
-  LOG_TRACE("succeed to merge min datum", K(*min_val_.datum_), K(datum), K(meta));
   return ret;
 }
 
@@ -295,8 +295,8 @@ int ObOptOSGColumnStat::inner_merge_max(const ObDatum &datum, const ObObjMeta &m
         LOG_WARN("failed to deep copy datum");
       }
     }
+    LOG_TRACE("succeed to merge max datum", K(cmp_ret), K(*max_val_.datum_), K(datum), K(meta));
   }
-  LOG_TRACE("succeed to merge max datum", K(*max_val_.datum_), K(datum), K(meta));
   return ret;
 }