From 0fb06cbc4cec5a48fd7f90e1ffd345fb7b24f43c Mon Sep 17 00:00:00 2001
From: "slzhou@taodata.com" <shenglian zhou>
Date: Mon, 11 Jul 2022 11:40:44 +0800
Subject: [PATCH] fix: set capacity for newly created datablock

---
 source/common/src/tdatablock.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/common/src/tdatablock.c b/source/common/src/tdatablock.c
index 3bb829f77a..1fa37d5ef0 100644
--- a/source/common/src/tdatablock.c
+++ b/source/common/src/tdatablock.c
@@ -463,6 +463,7 @@ SSDataBlock* blockDataExtractBlock(SSDataBlock* pBlock, int32_t startIndex, int3
 
   pDst->info = pBlock->info;
   pDst->info.rows = 0;
+  pDst->info.capacity = 0;
   size_t numOfCols = taosArrayGetSize(pBlock->pDataBlock);
   for (int32_t i = 0; i < numOfCols; ++i) {
     SColumnInfoData  colInfo = {0};