From d48a56326019f9444a84efc1dad280944dd7e774 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Mon, 19 Sep 2022 15:42:03 +0800
Subject: [PATCH] fix(query): assign index back.

---
 source/dnode/vnode/src/tsdb/tsdbMergeTree.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
index 45fe29f0fa..5f03a82bc0 100644
--- a/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
+++ b/source/dnode/vnode/src/tsdb/tsdbMergeTree.c
@@ -320,6 +320,7 @@ void tLDataIterNextBlock(SLDataIter *pIter) {
 
   pIter->pSttBlk = NULL;
   if (index != -1) {
+    pIter->iSttBlk = index;
     pIter->pSttBlk = (SSttBlk *)taosArrayGet(pIter->pBlockLoadInfo->aSttBlk, pIter->iSttBlk);
   }
 }