From 7e6009071a630bb9990da12ba0b74b18fe9038e3 Mon Sep 17 00:00:00 2001
From: dapan1121 <89396746@qq.com>
Date: Mon, 19 Apr 2021 17:08:44 +0800
Subject: [PATCH] fix bug

---
 src/query/src/qAggMain.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/query/src/qAggMain.c b/src/query/src/qAggMain.c
index 505057ef33..f312b4ab64 100644
--- a/src/query/src/qAggMain.c
+++ b/src/query/src/qAggMain.c
@@ -2615,6 +2615,10 @@ static void top_function_f(SQLFunctionCtx *pCtx, int32_t index) {
   
   STopBotInfo *pRes = getTopBotOutputInfo(pCtx);
   assert(pRes->num >= 0);
+
+  if ((void *)pRes->res[0] != (void *)((char *)pRes + sizeof(STopBotInfo) + POINTER_BYTES * pCtx->param[0].i64)) {
+    buildTopBotStruct(pRes, pCtx);
+  }
   
   SET_VAL(pCtx, 1, 1);
   TSKEY ts = GET_TS_DATA(pCtx, index);
-- 
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