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All the page_size pragma to change the page size on a new :memory: database,

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but not a vacuumed :memory: database.  Ticket #3335 (CVS 5617)

FossilOrigin-Name: 226a9056783247679fcf442e10807a1f2707f463
This commit is contained in:
drh
2008-08-26 21:07:26 +00:00
parent 29f55ae1e4
commit 7426f864ae
6 changed files with 57 additions and 21 deletions
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13
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 1.480 2008/08/26 18:05:48 danielk1977 Exp $
** @(#) $Id: pager.c,v 1.481 2008/08/26 21:07:27 drh Exp $
*/
#ifndef SQLITE_OMIT_DISKIO
#include "sqliteInt.h"
@@ -1945,7 +1945,8 @@ int sqlite3PagerSetPagesize(Pager *pPager, u16 *pPageSize){
u16 pageSize = *pPageSize;
assert( pageSize==0 || (pageSize>=512 && pageSize<=SQLITE_MAX_PAGE_SIZE) );
if( pageSize && pageSize!=pPager->pageSize
&& !pPager->memDb && sqlite3PcacheRefCount(pPager->pPCache)==0
&& (pPager->memDb==0 || pPager->dbSize==0)
&& sqlite3PcacheRefCount(pPager->pPCache)==0
){
char *pNew = (char *)sqlite3PageMalloc(pageSize);
if( !pNew ){
@@ -1953,7 +1954,7 @@ int sqlite3PagerSetPagesize(Pager *pPager, u16 *pPageSize){
}else{
pager_reset(pPager);
pPager->pageSize = pageSize;
setSectorSize(pPager);
if( !pPager->memDb ) setSectorSize(pPager);
sqlite3PageFree(pPager->pTmpSpace);
pPager->pTmpSpace = pNew;
sqlite3PcacheSetPageSize(pPager->pPCache, pageSize);
@@ -3572,7 +3573,11 @@ static int pager_incr_changecounter(Pager *pPager, int isDirect){
*/
int sqlite3PagerSync(Pager *pPager){
int rc;
rc = sqlite3OsSync(pPager->fd, pPager->sync_flags);
if( MEMDB ){
rc = SQLITE_OK;
}else{
rc = sqlite3OsSync(pPager->fd, pPager->sync_flags);
}
return rc;
}