From f495bd8bd70b0efae4c44da4c184812925f95b4a Mon Sep 17 00:00:00 2001
From: "bingqing.lbq" <bingqing.lbq@alibaba-inc.com>
Date: Wed, 11 Jun 2025 10:56:01 +0800
Subject: [PATCH] fix label parsing when it is NONE

Committed-by: bingqing.lbq from Dev container
---
 .../main/java/com/alibaba/graphscope/common/result/Utils.java   | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/result/Utils.java b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/result/Utils.java
index 9efa9876747b..6b306701bf0e 100644
--- a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/result/Utils.java
+++ b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/result/Utils.java
@@ -140,6 +140,8 @@ public static String parseLabelValue(Common.Value value, GraphLabelType type) {
                 return parseLabelValue(value.getI32(), type);
             case I64:
                 return parseLabelValue(value.getI64(), type);
+            case NONE:
+                return null;
             default:
                 throw new IllegalArgumentException(
                         "cannot parse label value with type=" + value.getItemCase().name());