From d40191b62c9daaefc6e98d1b8c1a11ffdec66b23 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Wed, 13 Jul 2022 20:58:14 +0800
Subject: [PATCH] fix(query): prepare the buffer before loading data.

---
 source/libs/executor/src/scanoperator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/executor/src/scanoperator.c b/source/libs/executor/src/scanoperator.c
index 8786d30007..ba89592189 100644
--- a/source/libs/executor/src/scanoperator.c
+++ b/source/libs/executor/src/scanoperator.c
@@ -2593,7 +2593,7 @@ static SSDataBlock* getTableDataBlock(void* param) {
     SDataBlockInfo binfo = pBlock->info;
     tsdbRetrieveDataBlockInfo(reader, &binfo);
 
-    blockDataEnsureCapacity(pBlock, binfo.capacity);
+    blockDataEnsureCapacity(pBlock, binfo.rows);
     pBlock->info.type = binfo.type;
     pBlock->info.uid = binfo.uid;
     pBlock->info.window = binfo.window;
-- 
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