From f83b863cf9864132714f4ce8997c61b769725542 Mon Sep 17 00:00:00 2001
From: Haojun Liao <hjliao@taosdata.com>
Date: Wed, 2 Nov 2022 14:36:00 +0800
Subject: [PATCH] fix(query): update the lastkey for each table during table
 scanning.

---
 source/dnode/vnode/src/tsdb/tsdbRead.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/dnode/vnode/src/tsdb/tsdbRead.c b/source/dnode/vnode/src/tsdb/tsdbRead.c
index 664bc0bc15..55c169b341 100644
--- a/source/dnode/vnode/src/tsdb/tsdbRead.c
+++ b/source/dnode/vnode/src/tsdb/tsdbRead.c
@@ -2640,6 +2640,11 @@ static int32_t doBuildDataBlock(STsdbReader* pReader) {
     }
   }
 
+  if (code == TSDB_CODE_SUCCESS) {
+    STimeWindow* pWin = &pReader->pResBlock->info.window;
+    pScanInfo->lastKey = ASCENDING_TRAVERSE(pReader->order)? pWin->ekey:pWin->skey;
+  }
+
   return code;
 }