From 253740dbcd1d26c86c5747490c65f5c1b75c83f9 Mon Sep 17 00:00:00 2001
From: xtcyclist <7731943+xtcyclist@users.noreply.github.com>
Date: Tue, 31 Jan 2023 18:17:41 +0800
Subject: [PATCH] fix.

---
 src/graph/executor/query/DataCollectExecutor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/graph/executor/query/DataCollectExecutor.cpp b/src/graph/executor/query/DataCollectExecutor.cpp
index 125f4ea95a8..0b51e36ee03 100644
--- a/src/graph/executor/query/DataCollectExecutor.cpp
+++ b/src/graph/executor/query/DataCollectExecutor.cpp
@@ -65,10 +65,10 @@ Status DataCollectExecutor::collectSubgraph(const std::vector<std::string>& vars
   ds.colNames = std::move(colNames_);
   const auto& hist = ectx_->getHistory(vars[0]);
   for (const auto& result : hist) {
-    auto iter = result.iter();
     if (!result.iterRef()->isGetNeighborsIter()) {
       continue;
     }
+    auto iter = result.iter();
     auto* gnIter = static_cast<GetNeighborsIter*>(iter.get());
     List vertices;
     List edges;