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Add some tests for the atomic-write optimization. (CVS 4275)

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FossilOrigin-Name: e2cc7b4a3476a733b2701546f6b4ec9abc18152b
This commit is contained in:
danielk1977
2007-08-23 08:06:44 +00:00
parent aa9f112137
commit 2ca0f86354
6 changed files with 359 additions and 102 deletions
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15
src/journal.c
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@@ -10,7 +10,7 @@
**
*************************************************************************
**
** @(#) $Id: journal.c,v 1.1 2007/08/22 11:22:04 danielk1977 Exp $
** @(#) $Id: journal.c,v 1.2 2007/08/23 08:06:45 danielk1977 Exp $
*/
#ifdef SQLITE_ENABLE_ATOMIC_WRITE
@@ -54,11 +54,14 @@ typedef struct JournalFile JournalFile;
static int createFile(JournalFile *p){
int rc = SQLITE_OK;
if( !p->pReal ){
p->pReal = (sqlite3_file *)&p[1];
rc = sqlite3OsOpen(p->pVfs, p->zJournal, p->pReal, p->flags, 0);
if( rc==SQLITE_OK && p->iSize>0 ){
assert(p->iSize<=p->nBuf);
rc = sqlite3OsWrite(p->pReal, p->zBuf, p->iSize, 0);
sqlite3_file *pReal = (sqlite3_file *)&p[1];
rc = sqlite3OsOpen(p->pVfs, p->zJournal, pReal, p->flags, 0);
if( rc==SQLITE_OK ){
p->pReal = pReal;
if( p->iSize>0 ){
assert(p->iSize<=p->nBuf);
rc = sqlite3OsWrite(p->pReal, p->zBuf, p->iSize, 0);
}
}
}
return rc;