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More rollback problems: Fix two more errors introduced by checking (410) that

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can cause database corruption after a ROLLBACK.  Also add new tests to make
sure everything is working this time. (CVS 663)

FossilOrigin-Name: f6e24d5ccbcfcf5863ffbd65860dafa2f5663e99
This commit is contained in:
drh
2002-07-07 16:52:46 +00:00
parent af1c9661a4
commit 193a6b4142
11 changed files with 190 additions and 36 deletions
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14
src/btree.c
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@@ -9,7 +9,7 @@
** May you share freely, never taking more than you give.
**
*************************************************************************
** $Id: btree.c,v 1.64 2002/07/06 16:32:15 drh Exp $
** $Id: btree.c,v 1.65 2002/07/07 16:52:47 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to
@@ -1569,6 +1569,12 @@ static int freePage(Btree *pBt, void *pPage, Pgno pgno){
pgno = sqlitepager_pagenumber(pOvfl);
}
assert( pgno>2 );
pMemPage = (MemPage*)pPage;
pMemPage->isInit = 0;
if( pMemPage->pParent ){
sqlitepager_unref(pMemPage->pParent);
pMemPage->pParent = 0;
}
rc = sqlitepager_write(pPage1);
if( rc ){
return rc;
@@ -1606,12 +1612,6 @@ static int freePage(Btree *pBt, void *pPage, Pgno pgno){
pOvfl->iNext = pPage1->freeList;
pPage1->freeList = pgno;
memset(pOvfl->aPayload, 0, OVERFLOW_SIZE);
pMemPage = (MemPage*)pPage;
pMemPage->isInit = 0;
if( pMemPage->pParent ){
sqlitepager_unref(pMemPage->pParent);
pMemPage->pParent = 0;
}
if( needUnref ) rc = sqlitepager_unref(pOvfl);
return rc;
}