Update feature_signature_def.cc (#4024)

4paradigm · Feb 19, 2025 · c1766bb · c1766bb
1 parent 1341f28
commit c1766bb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/hybridse/src/udf/default_defs/feature_signature_def.cc b/hybridse/src/udf/default_defs/feature_signature_def.cc
@@ -276,7 +276,7 @@ struct GCFormat {
     }
 
     std::string Output() {
-        std::string instance_index_str = "";
+        std::string instance_index_str = " ";
         if (instance_index >= 0) {
             instance_index_str = " " + std::to_string(instance_index);
         }