From 0804c3380362eb875ce7c7a16881c635728c8e84 Mon Sep 17 00:00:00 2001
From: xtcyclist <7731943+xtcyclist@users.noreply.github.com>
Date: Tue, 28 Mar 2023 15:14:59 +0800
Subject: [PATCH] fix.

---
 src/graph/validator/MatchValidator.cpp | 8 ++++++--
 tests/tck/features/match/Path.feature  | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/graph/validator/MatchValidator.cpp b/src/graph/validator/MatchValidator.cpp
index ca31474d6d2..e9d4add6c75 100644
--- a/src/graph/validator/MatchValidator.cpp
+++ b/src/graph/validator/MatchValidator.cpp
@@ -231,8 +231,12 @@ Status MatchValidator::buildNodeInfo(const MatchPath *path,
     } else {
       // an node alias generated here can be repeated.
       // but it cannot be the same with any previously defined ones.
-      if (aliases.find(alias.c_str()) != aliases.end()) {
-        return Status::SemanticError("`%s`: alias redefined", alias.c_str());
+      auto iter = aliases.find(alias.c_str());
+      if (iter != aliases.end()) {
+        if (iter->second != AliasType::kNode) {
+          return Status::SemanticError("`%s`: alias redefined with a different type",
+                                       alias.c_str());
+        }
       }
       nodeAliases.emplace(alias, AliasType::kNode);
     }
diff --git a/tests/tck/features/match/Path.feature b/tests/tck/features/match/Path.feature
index e8a05af6b78..a44718fcfac 100644
--- a/tests/tck/features/match/Path.feature
+++ b/tests/tck/features/match/Path.feature
@@ -229,7 +229,7 @@ Feature: Matching paths
       where id(v) in [100] and id(v3) in [80]
       return count(p), count(p2)
       """
-    Then a SemanticError should be raised at runtime: `p': alias redefined
+    Then a SemanticError should be raised at runtime: `p': alias redefined with a different type
 
   Scenario: use of defined vertices
     # edges cannot be redefined, tested in Scenario: distinct edges and paths