From 1779c952fd086c9382ccd198b8131122929f8d4d Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Mon, 26 Apr 2021 17:45:54 +0800
Subject: [PATCH] [td-3951]<fix>: check the input value of big int which is
 overflowed.

---
 src/common/src/tvariant.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/common/src/tvariant.c b/src/common/src/tvariant.c
index 7798deaa60..c872d8731b 100644
--- a/src/common/src/tvariant.c
+++ b/src/common/src/tvariant.c
@@ -48,6 +48,13 @@ void tVariantCreate(tVariant *pVar, SStrToken *token) {
     case TSDB_DATA_TYPE_INT:{
       ret = tStrToInteger(token->z, token->type, token->n, &pVar->i64, true);
       if (ret != 0) {
+        SStrToken t = {0};
+        tSQLGetToken(token->z, &t.type);
+        if (t.type == TK_MINUS) {  // it is a signed number which is greater than INT64_MAX or less than INT64_MIN
+          pVar->nType = -1;   // -1 means error type
+          return;
+        }
+
         // data overflow, try unsigned parse the input number
         ret = tStrToInteger(token->z, token->type, token->n, &pVar->i64, false);
         if (ret != 0) {
-- 
GitLab