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Overview
| Comment: | Add another PAGERTRACE() macro to show when pages are added to Pager.pAllRead. No impact on production builds. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | begin-concurrent |
| Files: | files | file ages | folders |
| SHA3-256: |
11054cf5e8c24ef9ca869d558a0ca675 |
| User & Date: | drh 2017-08-11 20:22:30 |
| Wiki: | begin-concurrent |
Context
|
2017-08-11
| ||
| 21:16 | Fix a problem allowing a conflicting transaction to be committed in the case where more than one 32KB shared-memory page has been written to since the transaction was started. check-in: 38dd9b50 user: dan tags: begin-concurrent | |
| 20:22 | Add another PAGERTRACE() macro to show when pages are added to Pager.pAllRead. No impact on production builds. check-in: 11054cf5 user: drh tags: begin-concurrent | |
| 19:31 | Add a PAGERTRACE() macro to log when frames are written into the WAL file. This is for analysis only and is a no-op for production builds. check-in: 39f39e3d user: drh tags: begin-concurrent | |
Changes
Changes to src/pager.c.
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#ifndef SQLITE_OMIT_CONCURRENT
/* If this is an CONCURRENT transaction and the page being read was
** present in the database file when the transaction was opened,
** mark it as read in the pAllRead vector. */
pPg = 0;
if( pPager->pAllRead && pgno<=pPager->dbOrigSize ){
rc = sqlite3BitvecSet(pPager->pAllRead, pgno);
if( rc!=SQLITE_OK ) goto pager_acquire_err;
}
#endif
if( pgno==0 ) return SQLITE_CORRUPT_BKPT;
pBase = sqlite3PcacheFetch(pPager->pPCache, pgno, 3);
|
> |
5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506 5507 5508 5509 5510 |
#ifndef SQLITE_OMIT_CONCURRENT
/* If this is an CONCURRENT transaction and the page being read was
** present in the database file when the transaction was opened,
** mark it as read in the pAllRead vector. */
pPg = 0;
if( pPager->pAllRead && pgno<=pPager->dbOrigSize ){
PAGERTRACE(("USING page %d\n", pgno));
rc = sqlite3BitvecSet(pPager->pAllRead, pgno);
if( rc!=SQLITE_OK ) goto pager_acquire_err;
}
#endif
if( pgno==0 ) return SQLITE_CORRUPT_BKPT;
pBase = sqlite3PcacheFetch(pPager->pPCache, pgno, 3);
|