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Overview
Comment: | Change the order of comparison for divider cell overflow in balance non-root to avoid a (harmless) reference to an uninitialized variable. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
f9f2e23bbd68a8994621623446868d66 |
User & Date: | drh 2016-12-12 00:58:40.524 |
References
2016-12-26
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01:41 | Remove an incorrect ALWAYS() macro from balance_nonroot(), which could result in corrupt databases if it were optimized out. This ALWAYS was added only two weeks ago (check-in [f9f2e23bbd68a]) and has never appeared in an official release. (check-in: e447b23cfd user: drh tags: trunk) | |
Context
2016-12-12
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01:30 | Size and performance optimization in btreeInitPage() in the freeblock validation step. (check-in: 57deb1b412 user: drh tags: trunk) | |
00:58 | Change the order of comparison for divider cell overflow in balance non-root to avoid a (harmless) reference to an uninitialized variable. (check-in: f9f2e23bbd user: drh tags: trunk) | |
2016-12-10
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13:12 | Avoid an unnecessary memset() in the sqlite3BtreeInsert() routine. (check-in: 35ecd4ebc5 user: drh tags: trunk) | |
Changes
Changes to src/btree.c.
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7079 7080 7081 7082 7083 7084 7085 | if( rc ){ memset(apOld, 0, (i+1)*sizeof(MemPage*)); goto balance_cleanup; } nMaxCells += 1+apOld[i]->nCell+apOld[i]->nOverflow; if( (i--)==0 ) break; | | | 7079 7080 7081 7082 7083 7084 7085 7086 7087 7088 7089 7090 7091 7092 7093 | if( rc ){ memset(apOld, 0, (i+1)*sizeof(MemPage*)); goto balance_cleanup; } nMaxCells += 1+apOld[i]->nCell+apOld[i]->nOverflow; if( (i--)==0 ) break; if( pParent->nOverflow && ALWAYS(i+nxDiv==pParent->aiOvfl[0]) ){ apDiv[i] = pParent->apOvfl[0]; pgno = get4byte(apDiv[i]); szNew[i] = pParent->xCellSize(pParent, apDiv[i]); pParent->nOverflow = 0; }else{ apDiv[i] = findCell(pParent, i+nxDiv-pParent->nOverflow); pgno = get4byte(apDiv[i]); |
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