diff --git a/indexing-common/src/main/java/com/metamx/druid/index/v1/SpatialDimensionRowFormatter.java b/indexing-common/src/main/java/com/metamx/druid/index/v1/SpatialDimensionRowFormatter.java
index f5dad643ad5..b807f931c5d 100644
--- a/indexing-common/src/main/java/com/metamx/druid/index/v1/SpatialDimensionRowFormatter.java
+++ b/indexing-common/src/main/java/com/metamx/druid/index/v1/SpatialDimensionRowFormatter.java
@@ -30,6 +30,7 @@ import com.google.common.collect.Sets;
 import com.google.common.primitives.Floats;
 import com.metamx.common.ISE;
 import com.metamx.druid.input.InputRow;
+import org.joda.time.DateTime;
 
 import javax.annotation.Nullable;
 import java.util.Arrays;
@@ -138,6 +139,15 @@ public class SpatialDimensionRowFormatter
       {
         return row.getFloatMetric(metric);
       }
+
+      @Override
+      public String toString()
+      {
+        return "InputRow{" +
+               "timestamp=" + row.getTimestampFromEpoch() +
+               ", dimensions=" + row.getDimensions() +
+               '}';
+      }
     };
 
     if (!spatialPartialDimNames.isEmpty()) {