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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. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
8097712c9c1f4ea16bc5dd462da248ef |
| User & Date: | drh 2017-01-12 15:11:03 |
Context
|
2017-01-12
| ||
| 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: bddf3956 user: drh tags: trunk | |
| 15:19 | Test case macros to show that the previous check-in is well tested. Leaf check-in: bd8b977a 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: 8097712c user: drh tags: trunk | |
| 11:52 | Remove invalid test case from cursorhints2.test check-in: 163cc1b2 user: drh tags: trunk | |
Changes
Changes to src/btree.c.
3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 |
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
&& pCell+info.nSize-1<=pPage->aData+pPage->maskPage
&& iFrom==get4byte(pCell+info.nSize-4)
){
put4byte(pCell+info.nSize-4, iTo);
break;
}
}else{
if( get4byte(pCell)==iFrom ){
put4byte(pCell, iTo);
break;
}
}
|
| | > > | < | | > |
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;
}
}
|