From 4ee28bfc2c1f8482e0a70a4378f1e376f8076220 Mon Sep 17 00:00:00 2001
From: Cary Xu <klxu@taosdata.com>
Date: Fri, 26 Aug 2022 17:29:54 +0800
Subject: [PATCH] fix: only iterate next when delete the specified node

---
 source/libs/executor/src/tsimplehash.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/source/libs/executor/src/tsimplehash.c b/source/libs/executor/src/tsimplehash.c
index 8dce53273b..aeeb43632b 100644
--- a/source/libs/executor/src/tsimplehash.c
+++ b/source/libs/executor/src/tsimplehash.c
@@ -294,11 +294,13 @@ int32_t tSimpleHashIterateRemove(SSHashObj *pHashObj, const void *key, size_t ke
         pPrev->next = pNode->next;
       }
 
-      if (pNode->next) {
-        *pIter = GET_SHASH_NODE_DATA(pNode->next);
-      } else {
-        *pIter = NULL;
-        ++(*iter);
+      if (*pIter ==  (void*)GET_SHASH_NODE_DATA(pNode)) {
+        if (pNode->next) {
+          *pIter = GET_SHASH_NODE_DATA(pNode->next);
+        } else {
+          *pIter = NULL;
+          ++(*iter);
+        }
       }
 
       FREE_HASH_NODE(pNode);