From fbead6ad146b13fabe0657ab76012e10433209cb Mon Sep 17 00:00:00 2001
From: AlexDuan <417921451@qq.com>
Date: Fri, 10 Sep 2021 13:59:50 +0800
Subject: [PATCH] force conversion

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

diff --git a/src/query/src/qAggMain.c b/src/query/src/qAggMain.c
index 5d1553895d..0e02b1f5ec 100644
--- a/src/query/src/qAggMain.c
+++ b/src/query/src/qAggMain.c
@@ -2510,7 +2510,7 @@ static void tdigest_merge(SQLFunctionCtx *pCtx) {
   SAPercentileInfo *pOutput = getAPerctInfo(pCtx);
   TDigest* pTDigest = pOutput->pTDigest;
   if(pTDigest->num_centroids == 0) {
-    memcpy(pTDigest, pInput->pTDigest, TDIGEST_SIZE(COMPRESSION));
+    memcpy(pTDigest, pInput->pTDigest, (size_t)TDIGEST_SIZE(COMPRESSION));
     tdigestAutoFill(pTDigest, COMPRESSION);
   } else {
     tdigestMerge(pOutput->pTDigest, pInput->pTDigest);
-- 
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