From 57e04b9e96ca94f8046e3e3e2f52f471c854995d Mon Sep 17 00:00:00 2001
From: wangmm0220 <wangmm0220@gmail.com>
Date: Fri, 10 Dec 2021 20:19:37 +0800
Subject: [PATCH] fix error, there is a core dump if tag equals a long num in
 where condition like where tag=99999999999999999999

---
 src/client/src/tscSQLParser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/src/tscSQLParser.c b/src/client/src/tscSQLParser.c
index f52a9c96c2..6f5d3401c2 100644
--- a/src/client/src/tscSQLParser.c
+++ b/src/client/src/tscSQLParser.c
@@ -9821,7 +9821,7 @@ int32_t exprTreeFromSqlExpr(SSqlCmd* pCmd, tExprNode **pExpr, const tSqlExpr* pS
     assert(pSqlExpr->pRight == NULL);
 
     if (pSqlExpr->type == SQL_NODE_VALUE) {
-      if(!isValidDataType(pSqlExpr->value.nType)){
+      if(pSqlExpr->value.nType == -1){
         return TSDB_CODE_TSC_INVALID_VALUE;
       }
       int32_t ret = TSDB_CODE_SUCCESS;
-- 
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