more TDB

source/libs/tdb/src/db/tdbBtree.c

@@ -482,12 +482,6 @@ static int tdbBtreeBalanceDeeper(SBTree *pBt, SPage *pRoot, SPage **ppChild) {
   // Copy the root page content to the child page
   tdbPageCopy(pRoot, pChild);
 
-  pChild->nOverflow = pRoot->nOverflow;
-  for (int i = 0; i < pChild->nOverflow; i++) {
-    pChild->apOvfl[i] = pRoot->apOvfl[i];
-    pChild->aiOvfl[i] = pRoot->aiOvfl[i];
-  }
-
   // Reinitialize the root page
   zArg.flags = TDB_BTREE_ROOT;
   zArg.pBt = pBt;

source/libs/tdb/src/page/tdbPage.c

@@ -226,7 +226,12 @@ void tdbPageCopy(SPage *pFromPage, SPage *pToPage) {
     TDB_PAGE_NFREE_SET(pToPage, nFree - delta);
   }
 
-  // TODO: do we need to copy the overflow part ???
+  // Copy the overflow cells
+  for (int iOvfl = 0; iOvfl < pFromPage->nOverflow; iOvfl++) {
+    pToPage->aiOvfl[iOvfl] = pFromPage->aiOvfl[iOvfl];
+    pToPage->apOvfl[iOvfl] = pFromPage->apOvfl[iOvfl];
+  }
+  pToPage->nOverflow = pFromPage->nOverflow;
 }
 
 static int tdbPageAllocate(SPage *pPage, int szCell, SCell **ppCell) {