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Overview
| Comment: | Always send the SQLITE_FCNTL_MMAP_LIMIT pragma to the VFS, even if the limit is zero and even if the VFS does not support xFetch(). |
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| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | experimental-mmap |
| Files: | files | file ages | folders |
| SHA1: |
01ffdabbad30f1c157f2b33b1e85ee4d |
| User & Date: | drh 2013-04-02 00:15:23.044 |
Context
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2013-04-02
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| 00:41 | Remove an unreachable condition from pager.c. (check-in: 3628e86bf1 user: drh tags: experimental-mmap) | |
| 00:15 | Always send the SQLITE_FCNTL_MMAP_LIMIT pragma to the VFS, even if the limit is zero and even if the VFS does not support xFetch(). (check-in: 01ffdabbad user: drh tags: experimental-mmap) | |
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2013-04-01
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| 22:42 | Remove a debugging printf() accidently left in the previous check-in. (check-in: 8198cdd8ac user: drh tags: experimental-mmap) | |
Changes
Changes to src/pager.c.
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3356 3357 3358 3359 3360 3361 3362 |
/*
** Invoke SQLITE_FCNTL_MMAP_LIMIT based on the current value of mxMmap.
*/
static void pagerFixMaplimit(Pager *pPager){
sqlite3_file *fd = pPager->fd;
if( isOpen(fd) ){
pPager->bUseFetch = (fd->pMethods->iVersion>=3) && pPager->mxMmap>0;
| < | | < | 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 |
/*
** Invoke SQLITE_FCNTL_MMAP_LIMIT based on the current value of mxMmap.
*/
static void pagerFixMaplimit(Pager *pPager){
sqlite3_file *fd = pPager->fd;
if( isOpen(fd) ){
pPager->bUseFetch = (fd->pMethods->iVersion>=3) && pPager->mxMmap>0;
sqlite3OsFileControlHint(pPager->fd, SQLITE_FCNTL_MMAP_LIMIT,
(void*)&pPager->mxMmap);
}
}
/*
** Change the maximum size of any memory mapping made of the database file.
*/
void sqlite3PagerSetMmapLimit(Pager *pPager, sqlite3_int64 mxMmap){
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