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Overview
Comment: | Do not use the insert-overwrite optimization if the cell might overwrite the page header. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
f60a83069168899dcfd706b4d0901084 |
User & Date: | drh 2019-07-22 23:24:01.858 |
Context
2019-07-23
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13:26 | Avoid redefining types u32 and u16 when fossildelta.c is compiled as part of the amalgamation. (check-in: d8e88248e3 user: dan tags: trunk) | |
2019-07-22
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23:30 | Do not use the insert-overwrite optimization if the cell might overwrite the page header. (Leaf check-in: 9991626b25 user: drh tags: branch-3.29) | |
23:24 | Do not use the insert-overwrite optimization if the cell might overwrite the page header. (check-in: f60a830691 user: drh tags: trunk) | |
19:01 | Consolidate the removal of Window objects from the Select.pWin list into a single subroutine. (check-in: e46b2afc99 user: drh tags: trunk) | |
Changes
Changes to src/btree.c.
︙ | ︙ | |||
8722 8723 8724 8725 8726 8727 8728 | ** doing that is no faster then skipping this optimization and just ** calling dropCell() and insertCell(). ** ** This optimization cannot be used on an autovacuum database if the ** new entry uses overflow pages, as the insertCell() call below is ** necessary to add the PTRMAP_OVERFLOW1 pointer-map entry. */ assert( rc==SQLITE_OK ); /* clearCell never fails when nLocal==nPayload */ | > > > | > > | 8722 8723 8724 8725 8726 8727 8728 8729 8730 8731 8732 8733 8734 8735 8736 8737 8738 8739 8740 8741 | ** doing that is no faster then skipping this optimization and just ** calling dropCell() and insertCell(). ** ** This optimization cannot be used on an autovacuum database if the ** new entry uses overflow pages, as the insertCell() call below is ** necessary to add the PTRMAP_OVERFLOW1 pointer-map entry. */ assert( rc==SQLITE_OK ); /* clearCell never fails when nLocal==nPayload */ if( oldCell < pPage->aData+pPage->hdrOffset+10 ){ return SQLITE_CORRUPT_BKPT; } if( oldCell+szNew > pPage->aDataEnd ){ return SQLITE_CORRUPT_BKPT; } memcpy(oldCell, newCell, szNew); return SQLITE_OK; } dropCell(pPage, idx, info.nSize, &rc); if( rc ) goto end_insert; }else if( loc<0 && pPage->nCell>0 ){ assert( pPage->leaf ); |
︙ | ︙ |
Changes to test/fuzzdata7.db.
cannot compute difference between binary files