Instead of marking a page as clean when sqlite3PagerDontWrite() is called, set a dedictated flag - PGHDR_DONT_WRITE. (CVS 5604)
FossilOrigin-Name: a323bd29a600abddbcc2cc9961ab84d82cccc5e5
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danielk1977
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@ -1,5 +1,5 @@
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C Do\snot\sincorrectly\sdetect\scorruption\swhen\san\sauto-vacuum\sdatabase\sis\sconverted\sto\sa\snon-auto-vacuum\sdatabase\swithin\sa\svacuum.\sTicket\s#3332.\s(CVS\s5603)
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D 2008-08-23T16:17:56
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C Instead\sof\smarking\sa\spage\sas\sclean\swhen\ssqlite3PagerDontWrite()\sis\scalled,\sset\sa\sdedictated\sflag\s-\sPGHDR_DONT_WRITE.\s(CVS\s5604)
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D 2008-08-23T18:53:08
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F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
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F Makefile.in 689e14735f862a5553bceef206d8c13e29504e44
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F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
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@ -135,11 +135,11 @@ F src/os_common.h 24525d8b7bce66c374dfc1810a6c9043f3359b60
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F src/os_os2.c e391fc95adc744bbdcefd4d11e3066998185a0a0
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F src/os_unix.c 4665cef7639dd937893c3ea076f0e8a8f215bb32
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F src/os_win.c aefe9ee26430678a19a058a874e4e2bd91398142
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F src/pager.c 62a0e18d5daacc9c0b3c79d446d411051fbfe6a2
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F src/pager.c 8fd88689463dcf2ee1d687e6cb0a8c3d3c9b7647
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F src/pager.h 3b9c138d2e744b9d6e61d4c2742301e3bf464864
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F src/parse.y d0f76d2cb8d6883d5600dc20beb961a6022b94b8
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F src/pcache.c 3feb47f5ce4174570e7b76bd851faccf7df55e80
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F src/pcache.h 1457e4e7ef08f6964399d5c039afdece25071d54
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F src/pcache.c 4858bf42f9c04c1d1f767c1f2a052809836db6ad
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F src/pcache.h f03fc3b8241da092bd929ba0eec15e84d9d2cca0
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F src/pragma.c f5b271b090af7fcedd308d7c5807a5503f7a853d
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F src/prepare.c c197041e0c4770672cda75e6bfe10242f885e510
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F src/printf.c 785f87120589c1db672e37c6eb1087c456e6f84d
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@ -623,7 +623,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
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F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
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F tool/speedtest8.c 1dbced29de5f59ba2ebf877edcadf171540374d1
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F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
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P f8a70501c234545b3030144ac6bcbfaa0d2b0069
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R aef83607149c9c342bce05a1b1fbac8b
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P cb869946d68f2abbd1322fababbe4aa74a4e08aa
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R 6bb49f025f936fb67884362dcf5dfa8b
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U danielk1977
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Z 1527ca57bd02efd33a253e2eb002c3ed
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Z aad391fe05cc3c31b11ee3817a80c513
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@ -1 +1 @@
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cb869946d68f2abbd1322fababbe4aa74a4e08aa
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a323bd29a600abddbcc2cc9961ab84d82cccc5e5
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@ -18,7 +18,7 @@
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** file simultaneously, or one process from reading the database while
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** another is writing.
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**
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** @(#) $Id: pager.c,v 1.476 2008/08/22 17:34:45 drh Exp $
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** @(#) $Id: pager.c,v 1.477 2008/08/23 18:53:08 danielk1977 Exp $
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*/
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#ifndef SQLITE_OMIT_DISKIO
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#include "sqliteInt.h"
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@ -2401,7 +2401,7 @@ static int pager_write_pagelist(PgHdr *pList){
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** make the file smaller (presumably by auto-vacuum code). Do not write
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** any such pages to the file.
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*/
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if( pList->pgno<=pPager->dbSize ){
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if( pList->pgno<=pPager->dbSize && 0==(pList->flags&PGHDR_DONT_WRITE) ){
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i64 offset = (pList->pgno-1)*(i64)pPager->pageSize;
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char *pData = CODEC2(pPager, pList->pData, pList->pgno, 6);
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PAGERTRACE4("STORE %d page %d hash(%08x)\n",
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@ -2857,7 +2857,6 @@ static int pagerAcquire(
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*/
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int nMax;
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PAGER_INCR(pPager->nMiss);
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/* pPager->nRef++; */
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pPg->pPager = pPager;
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if( sqlite3BitvecTest(pPager->pInJournal, pgno) ){
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pPg->flags |= PGHDR_IN_JOURNAL;
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@ -3495,7 +3494,7 @@ void sqlite3PagerDontWrite(DbPage *pDbPage){
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}else{
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PAGERTRACE3("DONT_WRITE page %d of %d\n", pPg->pgno, PAGERID(pPager));
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IOTRACE(("CLEAN %p %d\n", pPager, pPg->pgno))
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makeClean(pPg);
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pPg->flags |= PGHDR_DONT_WRITE;
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#ifdef SQLITE_CHECK_PAGES
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pPg->pageHash = pager_pagehash(pPg);
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#endif
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@ -11,7 +11,7 @@
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*************************************************************************
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** This file implements that page cache.
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**
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** @(#) $Id: pcache.c,v 1.10 2008/08/22 17:34:45 drh Exp $
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** @(#) $Id: pcache.c,v 1.11 2008/08/23 18:53:08 danielk1977 Exp $
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*/
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#include "sqliteInt.h"
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@ -739,6 +739,7 @@ void sqlite3PcacheDrop(PgHdr *p){
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void sqlite3PcacheMakeDirty(PgHdr *p){
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PCache *pCache;
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assert( p->pCache->iInUseDB );
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p->flags &= ~PGHDR_DONT_WRITE;
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if( p->flags & PGHDR_DIRTY ) return;
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assert( (p->flags & PGHDR_DIRTY)==0 );
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assert( p->nRef>0 );
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@ -12,7 +12,7 @@
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** This header file defines the interface that the sqlite page cache
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** subsystem.
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**
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** @(#) $Id: pcache.h,v 1.4 2008/08/22 16:22:17 danielk1977 Exp $
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** @(#) $Id: pcache.h,v 1.5 2008/08/23 18:53:08 danielk1977 Exp $
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*/
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#ifndef _PCACHE_H_
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@ -52,7 +52,7 @@ struct PgHdr {
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#define PGHDR_NEED_READ 0x020 /* Content is unread */
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#define PGHDR_IS_INIT 0x040 /* pData is initialized */
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#define PGHDR_REUSE_UNLIKELY 0x080 /* Hint: Reuse is unlikely */
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#define PGHDR_DONT_WRITE 0x100 /* Do not write content to disk */
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/* Initialize and shutdown the page cache subsystem */
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int sqlite3PcacheInitialize(void);
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