From bdaa8248025468fb52f8ed286038b15ce524f0eb Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Fri, 29 Jan 2021 11:28:23 +0800
Subject: [PATCH] [TD-225]fix compiler error.

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

diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index 321fad8ed1..a374e311f1 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -1956,7 +1956,7 @@ void tscFirstRoundRetrieveCallback(void* param, TAOS_RES* tres, int numOfRows) {
     SBufferWriter bw = tbufInitWriter(NULL, false);
     interResToBinary(&bw, pSup->pResult, pSup->tagLen);
 
-    pQueryInfo1->bufLen = tbufTell(&bw);
+    pQueryInfo1->bufLen = (int32_t) tbufTell(&bw);
     pQueryInfo1->buf = tbufGetData(&bw, true);
 
     // set the serialized binary string as the parameter of arithmetic expression
-- 
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