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Changes In Branch mmap-wal-bigtrans Excluding Merge-Ins
This is equivalent to a diff from e596a6b6 to 3a82c8e6
2015-08-07
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20:06 | Add a specially formatted comment to shell.c to make it easier for scripts to edit. No code changes. (check-in: 6d47b35a user: dan tags: trunk) | |
09:42 | Within a write-transaction on a wal database in mmap mode, check the page-cache for an entry before the wal file. This can be faster if the wal file is very large. (Leaf check-in: 3a82c8e6 user: dan tags: mmap-wal-bigtrans) | |
2015-08-06
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12:54 | increase the version number to 3.8.12 (check-in: e596a6b6 user: drh tags: trunk) | |
03:09 | Fix duplicate test numbering in the FTS5 matchinfo tests. (check-in: 483ebe89 user: mistachkin tags: trunk) | |
Changes to src/pager.c.
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5270 5271 5272 5273 5274 5275 5276 | pPager->hasBeenUsed = 1; /* If the pager is in the error state, return an error immediately. ** Otherwise, request the page from the PCache layer. */ if( pPager->errCode!=SQLITE_OK ){ rc = pPager->errCode; }else{ | | > > > > > | | | | | < | | | < | < | < < < < | > | | | | | | | 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295 5296 5297 5298 5299 5300 5301 5302 5303 5304 5305 5306 5307 5308 5309 | pPager->hasBeenUsed = 1; /* If the pager is in the error state, return an error immediately. ** Otherwise, request the page from the PCache layer. */ if( pPager->errCode!=SQLITE_OK ){ rc = pPager->errCode; }else{ if( bMmapOk ){ if( pPager->eState>PAGER_READER ){ pPg = sqlite3PagerLookup(pPager, pgno); } if( pPg==0 && pagerUseWal(pPager) ){ rc = sqlite3WalFindFrame(pPager->pWal, pgno, &iFrame); if( rc!=SQLITE_OK ) goto pager_acquire_err; } if( pPg==0 && iFrame==0 ){ void *pData = 0; rc = sqlite3OsFetch(pPager->fd, (i64)(pgno-1) * pPager->pageSize, pPager->pageSize, &pData ); if( rc==SQLITE_OK && pData ){ rc = pagerAcquireMapPage(pPager, pgno, pData, &pPg); } } if( pPg ){ assert( rc==SQLITE_OK ); *ppPage = pPg; return SQLITE_OK; } if( rc!=SQLITE_OK ){ goto pager_acquire_err; } } { sqlite3_pcache_page *pBase; |
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