Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Performance optimization in sqlite3PagerWrite(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
d4dff10a3d4edf8e1cc77c0a4f185d33 |
| User & Date: | drh 2016-12-12 11:05:15 |
Context
|
2016-12-12
| ||
| 16:08 | Faster operation for large in-memory databases. check-in: 9675518b user: drh tags: trunk | |
| 12:58 | Merge recent enhancements from trunk. check-in: dc006e08 user: drh tags: est_count_pragma | |
| 11:05 | Performance optimization in sqlite3PagerWrite(). check-in: d4dff10a user: drh tags: trunk | |
| 01:53 | Updates to the tokenizer for EBCDIC. No changes for standard builds. check-in: 4fc6580f user: drh tags: trunk | |
Changes
Changes to src/pager.c.
5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 |
** as appropriate. Otherwise, SQLITE_OK.
*/
int sqlite3PagerWrite(PgHdr *pPg){
Pager *pPager = pPg->pPager;
assert( (pPg->flags & PGHDR_MMAP)==0 );
assert( pPager->eState>=PAGER_WRITER_LOCKED );
assert( assert_pager_state(pPager) );
if( pPager->errCode ){
return pPager->errCode;
}else if( (pPg->flags & PGHDR_WRITEABLE)!=0 && pPager->dbSize>=pPg->pgno ){
if( pPager->nSavepoint ) return subjournalPageIfRequired(pPg);
return SQLITE_OK;
}else if( pPager->sectorSize > (u32)pPager->pageSize ){
assert( pPager->tempFile==0 );
return pagerWriteLargeSector(pPg);
}else{
return pager_write(pPg);
}
}
|
< < | > > |
5957 5958 5959 5960 5961 5962 5963 5964 5965 5966 5967 5968 5969 5970 5971 5972 5973 5974 5975 |
** as appropriate. Otherwise, SQLITE_OK.
*/
int sqlite3PagerWrite(PgHdr *pPg){
Pager *pPager = pPg->pPager;
assert( (pPg->flags & PGHDR_MMAP)==0 );
assert( pPager->eState>=PAGER_WRITER_LOCKED );
assert( assert_pager_state(pPager) );
if( (pPg->flags & PGHDR_WRITEABLE)!=0 && pPager->dbSize>=pPg->pgno ){
if( pPager->nSavepoint ) return subjournalPageIfRequired(pPg);
return SQLITE_OK;
}else if( pPager->errCode ){
return pPager->errCode;
}else if( pPager->sectorSize > (u32)pPager->pageSize ){
assert( pPager->tempFile==0 );
return pagerWriteLargeSector(pPg);
}else{
return pager_write(pPg);
}
}
|