From 47b7aeabbc4cff145058c53238aa8c9f2ac119c0 Mon Sep 17 00:00:00 2001
From: Minglei Jin <mljin@taosdata.com>
Date: Wed, 21 Sep 2022 15:21:56 +0800
Subject: [PATCH] enh(tdb): more debug output for page's overflow cells

---
 source/libs/tdb/src/db/tdbPage.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/source/libs/tdb/src/db/tdbPage.c b/source/libs/tdb/src/db/tdbPage.c
index 1e2eefabf4..f4878ea861 100644
--- a/source/libs/tdb/src/db/tdbPage.c
+++ b/source/libs/tdb/src/db/tdbPage.c
@@ -80,6 +80,7 @@ int tdbPageDestroy(SPage *pPage, void (*xFree)(void *arg, void *ptr), void *arg)
   ASSERT(xFree);
 
   for (int iOvfl = 0; iOvfl < pPage->nOverflow; iOvfl++) {
+    tdbDebug("tdbPage/destroy/free ovfl cell: %p/%p", pPage->apOvfl[iOvfl], pPage);
     tdbOsFree(pPage->apOvfl[iOvfl]);
   }
 
@@ -152,7 +153,7 @@ int tdbPageInsertCell(SPage *pPage, int idx, SCell *pCell, int szCell, u8 asOvfl
     pNewCell = (SCell *)tdbOsMalloc(szCell);
     memcpy(pNewCell, pCell, szCell);
 
-    tdbDebug("tdbPage/new ovfl cell: %p", pNewCell);
+    tdbDebug("tdbPage/insert/new ovfl cell: %p/%p", pNewCell, pPage);
 
     pPage->apOvfl[iOvfl] = pNewCell;
     pPage->aiOvfl[iOvfl] = idx;
@@ -202,7 +203,7 @@ int tdbPageDropCell(SPage *pPage, int idx, TXN *pTxn, SBTree *pBt) {
     if (pPage->aiOvfl[iOvfl] == idx) {
       // remove the over flow cell
       tdbOsFree(pPage->apOvfl[iOvfl]);
-      tdbDebug("tdbPage/free ovfl cell: %p", pPage->apOvfl[iOvfl]);
+      tdbDebug("tdbPage/drop/free ovfl cell: %p", pPage->apOvfl[iOvfl]);
       for (; (++iOvfl) < pPage->nOverflow;) {
         pPage->aiOvfl[iOvfl - 1] = pPage->aiOvfl[iOvfl] - 1;
         pPage->apOvfl[iOvfl - 1] = pPage->apOvfl[iOvfl];
@@ -255,6 +256,7 @@ void tdbPageCopy(SPage *pFromPage, SPage *pToPage, int deepCopyOvfl) {
       int szCell = (*pFromPage->xCellSize)(pFromPage, pFromPage->apOvfl[iOvfl], 0, NULL, NULL);
       pNewCell = (SCell *)tdbOsMalloc(szCell);
       memcpy(pNewCell, pFromPage->apOvfl[iOvfl], szCell);
+      tdbDebug("tdbPage/copy/new ovfl cell: %p/%p/%p", pNewCell, pToPage, pFromPage);
     }
 
     pToPage->apOvfl[iOvfl] = pNewCell;