From e87af5f5e8b50e2fd7ddfd78cef04070eeec8ae1 Mon Sep 17 00:00:00 2001
From: Alex Duan <417921451@qq.com>
Date: Tue, 2 Nov 2021 14:27:39 +0800
Subject: [PATCH] deal tdGetKVRowValOfCol maybe return NULL

---
 src/tsdb/src/tsdbRead.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/tsdb/src/tsdbRead.c b/src/tsdb/src/tsdbRead.c
index 9818a72c9c..165cc80391 100644
--- a/src/tsdb/src/tsdbRead.c
+++ b/src/tsdb/src/tsdbRead.c
@@ -3653,6 +3653,9 @@ static bool tableFilterFp(const void* pNode, void* param) {
       return (val != NULL) && (!isNull(val, pInfo->sch.type));
     }
   } else if (pInfo->optr == TSDB_RELATION_IN) {
+     if(val == NULL) {
+       return false;
+     }
      int type = pInfo->sch.type;
      if (type == TSDB_DATA_TYPE_BOOL || IS_SIGNED_NUMERIC_TYPE(type) || type == TSDB_DATA_TYPE_TIMESTAMP) {
        int64_t v;
-- 
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