From 2d304989aa37788c94c62cf7be7136a8b8bb8f70 Mon Sep 17 00:00:00 2001
From: Hongze Cheng <hzcheng@taosdata.com>
Date: Fri, 25 Feb 2022 01:51:17 +0000
Subject: [PATCH] more

---
 source/libs/tdb/src/db/tdbBtree.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/source/libs/tdb/src/db/tdbBtree.c b/source/libs/tdb/src/db/tdbBtree.c
index c12f9a601e..fd5f9148ae 100644
--- a/source/libs/tdb/src/db/tdbBtree.c
+++ b/source/libs/tdb/src/db/tdbBtree.c
@@ -15,6 +15,8 @@
 
 #include "tdbInt.h"
 
+#define BTREE_MAX_DEPTH 20
+
 struct SBTree {
   SPgno   root;
   int     keyLen;
@@ -24,8 +26,10 @@ struct SBTree {
 };
 
 struct SBtCursor {
-  SBTree *pBt;
-  int8_t  iPage;
+  SBTree *  pBt;
+  i8        iPage;
+  SMemPage *pPage;
+  SMemPage *apPage[BTREE_MAX_DEPTH + 1];
 };
 
 typedef struct SMemPage {
-- 
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