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Overview
| Comment: | Convert a branch made unreachable by [59560d07] into an assert(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
2738b8db3caa6ce48d27cb5749d27b79 |
| User & Date: | drh 2017-08-25 13:02:48 |
Context
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2017-08-25
| ||
| 13:34 | Small performance optimization in sqlite3WhereBegin(). check-in: 39f708d1 user: drh tags: trunk | |
| 13:02 | Convert a branch made unreachable by [59560d07] into an assert(). check-in: 2738b8db user: drh tags: trunk | |
| 11:44 | Improve the internal mechanism used to keep track of what kind of syncing to do for WAL transaction commits and checkpoint operations. Use the checkpoint-style of syncing to sync the header of a new or restarted WAL file. check-in: e8d23afe user: drh tags: trunk | |
Changes
Changes to src/btree.c.
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if( 0==iFree2 || (data[iFree2]==0 && data[iFree2+1]==0) ){
u8 *pEnd = &data[cellOffset + nCell*2];
u8 *pAddr;
int sz2 = 0;
int sz = get2byte(&data[iFree+2]);
int top = get2byte(&data[hdr+5]);
if( iFree2 ){
if( iFree+sz>iFree2 ) return SQLITE_CORRUPT_PGNO(pPage->pgno);
sz2 = get2byte(&data[iFree2+2]);
assert( iFree+sz+sz2+iFree2-(iFree+sz) <= usableSize );
memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz));
sz += sz2;
}
cbrk = top+sz;
assert( cbrk+(iFree-top) <= usableSize );
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| |
1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 |
if( 0==iFree2 || (data[iFree2]==0 && data[iFree2+1]==0) ){
u8 *pEnd = &data[cellOffset + nCell*2];
u8 *pAddr;
int sz2 = 0;
int sz = get2byte(&data[iFree+2]);
int top = get2byte(&data[hdr+5]);
if( iFree2 ){
assert( iFree+sz<=iFree2 ); /* Verified by pageFindSlot() */
sz2 = get2byte(&data[iFree2+2]);
assert( iFree+sz+sz2+iFree2-(iFree+sz) <= usableSize );
memmove(&data[iFree+sz+sz2], &data[iFree+sz], iFree2-(iFree+sz));
sz += sz2;
}
cbrk = top+sz;
assert( cbrk+(iFree-top) <= usableSize );
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