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Instead of marking a page as clean when sqlite3PagerDontWrite() is called, set a dedictated flag - PGHDR_DONT_WRITE. (CVS 5604)

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FossilOrigin-Name: a323bd29a600abddbcc2cc9961ab84d82cccc5e5
This commit is contained in:
danielk1977
2008-08-23 18:53:08 +00:00
parent 06249db141
commit 33e3216a3d
5 changed files with 16 additions and 16 deletions
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7
src/pager.c
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@@ -18,7 +18,7 @@
** file simultaneously, or one process from reading the database while
** another is writing.
**
** @(#) $Id: pager.c,v 1.476 2008/08/22 17:34:45 drh Exp $
** @(#) $Id: pager.c,v 1.477 2008/08/23 18:53:08 danielk1977 Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -2401,7 +2401,7 @@ static int pager_write_pagelist(PgHdr *pList){
** make the file smaller (presumably by auto-vacuum code). Do not write
** any such pages to the file.
*/
if( pList->pgno<=pPager->dbSize ){
if( pList->pgno<=pPager->dbSize && 0==(pList->flags&PGHDR_DONT_WRITE) ){
i64 offset = (pList->pgno-1)*(i64)pPager->pageSize;
char *pData = CODEC2(pPager, pList->pData, pList->pgno, 6);
PAGERTRACE4("STORE %d page %d hash(%08x)\n",
@@ -2857,7 +2857,6 @@ static int pagerAcquire(
*/
int nMax;
PAGER_INCR(pPager->nMiss);
/* pPager->nRef++; */
pPg->pPager = pPager;
if( sqlite3BitvecTest(pPager->pInJournal, pgno) ){
pPg->flags |= PGHDR_IN_JOURNAL;
@@ -3495,7 +3494,7 @@ void sqlite3PagerDontWrite(DbPage *pDbPage){
}else{
PAGERTRACE3("DONT_WRITE page %d of %d\n", pPg->pgno, PAGERID(pPager));
IOTRACE(("CLEAN %p %d\n", pPager, pPg->pgno))
makeClean(pPg);
pPg->flags |= PGHDR_DONT_WRITE;
#ifdef SQLITE_CHECK_PAGES
pPg->pageHash = pager_pagehash(pPg);
#endif