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Overview
Comment: | In btree.c, save the positions of any open cursors before moving any pages around to auto-vacuum the database on commit. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | experimental-mmap |
Files: | files | file ages | folders |
SHA1: |
30c0a69363931a72d1c34e5be7164693 |
User & Date: | dan 2013-03-26 14:16:20.450 |
Context
2013-03-26
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20:32 | Change os_unix.c to use either one or two mappings internally. (check-in: e7698cba9b user: dan tags: two-mappings) | |
14:36 | Change the name of the Pager.pFree field to Pager.pMmapFreelist. (check-in: 611bd824c2 user: drh tags: experimental-mmap) | |
14:16 | In btree.c, save the positions of any open cursors before moving any pages around to auto-vacuum the database on commit. (check-in: 30c0a69363 user: dan tags: experimental-mmap) | |
01:07 | Previous check-in accidently left mmap turned off by default. This checkin fixes that. Unfortunately, shared.test is now segfaulting. All other veryquick tests appear to work, however. (check-in: a850c7319c user: drh tags: experimental-mmap) | |
Changes
Changes to src/btree.c.
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3181 3182 3183 3184 3185 3186 3187 | */ return SQLITE_CORRUPT_BKPT; } nFree = get4byte(&pBt->pPage1->aData[36]); nFin = finalDbSize(pBt, nOrig, nFree); if( nFin>nOrig ) return SQLITE_CORRUPT_BKPT; | > > | | | 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 | */ return SQLITE_CORRUPT_BKPT; } nFree = get4byte(&pBt->pPage1->aData[36]); nFin = finalDbSize(pBt, nOrig, nFree); if( nFin>nOrig ) return SQLITE_CORRUPT_BKPT; if( nFin<nOrig ){ rc = saveAllCursors(pBt, 0, 0); } for(iFree=nOrig; iFree>nFin && rc==SQLITE_OK; iFree--){ rc = incrVacuumStep(pBt, nFin, iFree, 1); } if( (rc==SQLITE_DONE || rc==SQLITE_OK) && nFree>0 ){ rc = sqlite3PagerWrite(pBt->pPage1->pDbPage); put4byte(&pBt->pPage1->aData[32], 0); put4byte(&pBt->pPage1->aData[36], 0); put4byte(&pBt->pPage1->aData[28], nFin); pBt->bDoTruncate = 1; pBt->nPage = nFin; } if( rc!=SQLITE_OK ){ sqlite3PagerRollback(pPager); } } assert( nRef>=sqlite3PagerRefcount(pPager) ); return rc; } #else /* ifndef SQLITE_OMIT_AUTOVACUUM */ # define setChildPtrmaps(x) SQLITE_OK #endif |
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