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Overview
Comment: | Improved detection of cells that extend into the reserved space at the end of the page while adjusting overflow page pointers during autovacuum. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
8097712c9c1f4ea16bc5dd462da248ef |
User & Date: | drh 2017-01-12 15:11:03.724 |
Context
2017-01-12
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16:14 | Remove an unnecessary corruption test from the btree balancer. If corruption is present, it will be found harmlessly by later tests. (check-in: bddf39562d user: drh tags: trunk) | |
15:19 | Test case macros to show that the previous check-in is well tested. (Leaf check-in: bd8b977abb user: drh tags: extra-testcase-macros) | |
15:11 | Improved detection of cells that extend into the reserved space at the end of the page while adjusting overflow page pointers during autovacuum. (check-in: 8097712c9c user: drh tags: trunk) | |
11:52 | Remove invalid test case from cursorhints2.test (check-in: 163cc1b2f7 user: drh tags: trunk) | |
Changes
Changes to src/btree.c.
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3352 3353 3354 3355 3356 3357 3358 | nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); if( eType==PTRMAP_OVERFLOW1 ){ CellInfo info; pPage->xParseCell(pPage, pCell, &info); | | | > > | < | | > | 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 | nCell = pPage->nCell; for(i=0; i<nCell; i++){ u8 *pCell = findCell(pPage, i); if( eType==PTRMAP_OVERFLOW1 ){ CellInfo info; pPage->xParseCell(pPage, pCell, &info); if( info.nLocal<info.nPayload ){ if( pCell+info.nSize > pPage->aData+pPage->pBt->usableSize ){ return SQLITE_CORRUPT_BKPT; } if( iFrom==get4byte(pCell+info.nSize-4) ){ put4byte(pCell+info.nSize-4, iTo); break; } } }else{ if( get4byte(pCell)==iFrom ){ put4byte(pCell, iTo); break; } } |
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