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Increment the change counter and update the SQLite version number whenever

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page 1 is added to the WAL.  Ticket [5d863f876ee9561b9]

FossilOrigin-Name: c1e0d09cd3f5feae123468a35f147021d839641c
This commit is contained in:
drh
2011-01-15 17:12:59 +00:00
parent 39210bdaa6
commit 104a7bba8c
5 changed files with 44 additions and 14 deletions
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28
src/pager.c
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@@ -2915,11 +2915,17 @@ static int pagerRollbackWal(Pager *pPager){
return rc;
}
/* Forward declaration */
static int pager_incr_changecounter(Pager*,int);
/*
** This function is a wrapper around sqlite3WalFrames(). As well as logging
** the contents of the list of pages headed by pList (connected by pDirty),
** this function notifies any active backup processes that the pages have
** changed.
** changed.
**
** The list of pages passed into this routine is always sorted by page number.
** Hence, if page 1 appears anywhere on the list, it will be the first page.
*/
static int pagerWalFrames(
Pager *pPager, /* Pager object */
@@ -2929,8 +2935,23 @@ static int pagerWalFrames(
int syncFlags /* Flags to pass to OsSync() (or 0) */
){
int rc; /* Return code */
#if defined(SQLITE_DEBUG) || defined(SQLITE_CHECK_PAGES)
PgHdr *p; /* For looping over pages */
#endif
assert( pPager->pWal );
#ifdef SQLITE_DEBUG
/* Verify that the page list is in accending order */
for(p=pList; p && p->pDirty; p=p->pDirty){
assert( p->pgno < p->pDirty->pgno );
}
#endif
if( pList->pgno==1 ){
pPager->changeCountDone = 0;
pager_incr_changecounter(pPager,0);
pPager->changeCountDone = 0;
}
rc = sqlite3WalFrames(pPager->pWal,
pPager->pageSize, pList, nTruncate, isCommit, syncFlags
);
@@ -2942,9 +2963,8 @@ static int pagerWalFrames(
}
#ifdef SQLITE_CHECK_PAGES
{
PgHdr *p;
for(p=pList; p; p=p->pDirty) pager_set_pagehash(p);
for(p=pList; p; p=p->pDirty){
pager_set_pagehash(p);
}
#endif