From 9a2c3704a00885d195fe260b3259314644973174 Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Mon, 31 May 2021 15:44:07 +0800
Subject: [PATCH] fix bug

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

diff --git a/src/client/src/tscSubquery.c b/src/client/src/tscSubquery.c
index 1542380526..9f67528a3f 100644
--- a/src/client/src/tscSubquery.c
+++ b/src/client/src/tscSubquery.c
@@ -1488,6 +1488,8 @@ static void joinRetrieveFinalResCallback(void* param, TAOS_RES* tres, int numOfR
 
     SSqlRes* pRes1 = &pParentSql->pSubs[i]->res;
 
+    pParentSql->res.precision = pRes1->precision;
+
     if (pRes1->row > 0 && pRes1->numOfRows > 0) {
       tscDebug("0x%"PRIx64" sub:0x%"PRIx64" index:%d numOfRows:%d total:%"PRId64 " (not retrieve)", pParentSql->self,
           pParentSql->pSubs[i]->self, i, pRes1->numOfRows, pRes1->numOfTotal);
-- 
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