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Overview
| Comment: | Make use of xFetch, if it is available when doing a VACUUM or a backup. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | experimental-mmap |
| Files: | files | file ages | folders |
| SHA1: |
83bc37af07857960c11275891f853a35 |
| User & Date: | drh 2013-04-03 03:53:15 |
Context
|
2013-04-03
| ||
| 10:50 | Initialize the mmap_limit of temporary files to the configured mmap_limit. (check-in: 24bab759 user: drh tags: experimental-mmap) | |
| 03:53 | Make use of xFetch, if it is available when doing a VACUUM or a backup. (check-in: 83bc37af user: drh tags: experimental-mmap) | |
| 01:26 | Add the -mmap option to the command-line shell, for setting the default mmap_limit. (check-in: fc30d06c user: drh tags: experimental-mmap) | |
Changes
Changes to src/backup.c.
393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 |
*/
nSrcPage = (int)sqlite3BtreeLastPage(p->pSrc);
assert( nSrcPage>=0 );
for(ii=0; (nPage<0 || ii<nPage) && p->iNext<=(Pgno)nSrcPage && !rc; ii++){
const Pgno iSrcPg = p->iNext; /* Source page number */
if( iSrcPg!=PENDING_BYTE_PAGE(p->pSrc->pBt) ){
DbPage *pSrcPg; /* Source page object */
rc = sqlite3PagerGet(pSrcPager, iSrcPg, &pSrcPg);
if( rc==SQLITE_OK ){
rc = backupOnePage(p, iSrcPg, sqlite3PagerGetData(pSrcPg), 0);
sqlite3PagerUnref(pSrcPg);
}
}
p->iNext++;
}
|
| > |
393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 |
*/
nSrcPage = (int)sqlite3BtreeLastPage(p->pSrc);
assert( nSrcPage>=0 );
for(ii=0; (nPage<0 || ii<nPage) && p->iNext<=(Pgno)nSrcPage && !rc; ii++){
const Pgno iSrcPg = p->iNext; /* Source page number */
if( iSrcPg!=PENDING_BYTE_PAGE(p->pSrc->pBt) ){
DbPage *pSrcPg; /* Source page object */
rc = sqlite3PagerAcquire(pSrcPager, iSrcPg, &pSrcPg,
PAGER_ACQUIRE_READONLY);
if( rc==SQLITE_OK ){
rc = backupOnePage(p, iSrcPg, sqlite3PagerGetData(pSrcPg), 0);
sqlite3PagerUnref(pSrcPg);
}
}
p->iNext++;
}
|