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Overview
| Comment: | Early detection of file corruption in a debugging routine, before the invalid data can cause problems. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
b27a47fef995f0ab2516e6ca779711ca |
| User & Date: | drh 2015-07-08 12:25:38 |
Context
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2015-07-08
| ||
| 16:22 | Enhance the pcache1 page cache so that it tries to allocate a block of SQLITE_DEFAULT_PCACHE_INITSZ pages from malloc() on startup, and uses those preallocated pages when possible rather than going to malloc() for each individual page. About a 5% performance increase for some workloads. check-in: 5348ffc3 user: drh tags: trunk | |
| 12:25 | Early detection of file corruption in a debugging routine, before the invalid data can cause problems. check-in: b27a47fe user: drh tags: trunk | |
|
2015-07-07
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| 19:35 | Merge the Fts5MultiSegIter and Fts5IndexIter objects. check-in: 6ace7354 user: dan tags: trunk | |
Changes
Changes to src/vdbeaux.c.
3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 |
** the unnecessary initialization has a measurable negative performance
** impact, since this routine is a very high runner. And so, we choose
** to ignore the compiler warnings and leave this variable uninitialized.
*/
/* mem1.u.i = 0; // not needed, here to silence compiler warning */
idx1 = getVarint32(aKey1, szHdr1);
d1 = szHdr1;
assert( pKeyInfo->nField+pKeyInfo->nXField>=pPKey2->nField || CORRUPT_DB );
assert( pKeyInfo->aSortOrder!=0 );
assert( pKeyInfo->nField>0 );
assert( idx1<=szHdr1 || CORRUPT_DB );
do{
u32 serial_type1;
|
> |
3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 |
** the unnecessary initialization has a measurable negative performance
** impact, since this routine is a very high runner. And so, we choose
** to ignore the compiler warnings and leave this variable uninitialized.
*/
/* mem1.u.i = 0; // not needed, here to silence compiler warning */
idx1 = getVarint32(aKey1, szHdr1);
if( szHdr1>98307 ) return SQLITE_CORRUPT;
d1 = szHdr1;
assert( pKeyInfo->nField+pKeyInfo->nXField>=pPKey2->nField || CORRUPT_DB );
assert( pKeyInfo->aSortOrder!=0 );
assert( pKeyInfo->nField>0 );
assert( idx1<=szHdr1 || CORRUPT_DB );
do{
u32 serial_type1;
|