From 5035b3a624e970b805e7d66facd1e0aa66a484c5 Mon Sep 17 00:00:00 2001
From: dapan1121 <wpan@taosdata.com>
Date: Mon, 19 Aug 2024 17:13:27 +0800
Subject: [PATCH] fix: merge join destroy table issue

---
 source/libs/executor/src/mergejoinoperator.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/libs/executor/src/mergejoinoperator.c b/source/libs/executor/src/mergejoinoperator.c
index 946a1d2aa5..52b0da7c92 100644
--- a/source/libs/executor/src/mergejoinoperator.c
+++ b/source/libs/executor/src/mergejoinoperator.c
@@ -1746,6 +1746,9 @@ void destroyGrpArray(void* ppArray) {
 }
 
 void destroyMergeJoinTableCtx(SMJoinTableCtx* pTable) {
+  if (NULL == pTable) {
+    return;
+  }
   mJoinDestroyCreatedBlks(pTable->createdBlks);
   taosArrayDestroy(pTable->createdBlks);
   tSimpleHashCleanup(pTable->pGrpHash);