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Overview
| Comment: | Remove the sqlite3PagerClearCache() routine, which does not accomplish anything useful. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
f250166bb3c1b0c58e703b334825cf62 |
| User & Date: | drh 2016-05-20 18:09:01 |
References
|
2016-08-05
| ||
| 16:16 | Undo commit [f250166bb]. It is required to handle IO and other errors that occur within a VACUUM of a Zipvfs database. (check-in: ae72513a user: dan tags: trunk) | |
Context
|
2016-05-20
| ||
| 19:51 | Slight performance improvement in the OP_Column opcode. (check-in: 5c157474 user: drh tags: trunk) | |
| 18:09 | Remove the sqlite3PagerClearCache() routine, which does not accomplish anything useful. (check-in: f250166b user: drh tags: trunk) | |
| 15:53 | Performance optimization and size reduction on the freeP4() routine. (check-in: 4dc56e86 user: drh tags: trunk) | |
Changes
Changes to src/backup.c.
780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 |
** or an error code.
*/
sqlite3_backup_step(&b, 0x7FFFFFFF);
assert( b.rc!=SQLITE_OK );
rc = sqlite3_backup_finish(&b);
if( rc==SQLITE_OK ){
pTo->pBt->btsFlags &= ~BTS_PAGESIZE_FIXED;
}else{
sqlite3PagerClearCache(sqlite3BtreePager(b.pDest));
}
assert( sqlite3BtreeIsInTrans(pTo)==0 );
copy_finished:
sqlite3BtreeLeave(pFrom);
sqlite3BtreeLeave(pTo);
return rc;
}
#endif /* SQLITE_OMIT_VACUUM */
|
< < |
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** or an error code.
*/
sqlite3_backup_step(&b, 0x7FFFFFFF);
assert( b.rc!=SQLITE_OK );
rc = sqlite3_backup_finish(&b);
if( rc==SQLITE_OK ){
pTo->pBt->btsFlags &= ~BTS_PAGESIZE_FIXED;
}
assert( sqlite3BtreeIsInTrans(pTo)==0 );
copy_finished:
sqlite3BtreeLeave(pFrom);
sqlite3BtreeLeave(pTo);
return rc;
}
#endif /* SQLITE_OMIT_VACUUM */
|
Changes to src/pager.c.
7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176 |
** uses it opaquely as an argument to sqlite3BackupRestart() and
** sqlite3BackupUpdate() only.
*/
sqlite3_backup **sqlite3PagerBackupPtr(Pager *pPager){
return &pPager->pBackup;
}
#ifndef SQLITE_OMIT_VACUUM
/*
** Unless this is an in-memory or temporary database, clear the pager cache.
*/
void sqlite3PagerClearCache(Pager *pPager){
assert( MEMDB==0 || pPager->tempFile );
if( pPager->tempFile==0 ) pager_reset(pPager);
}
#endif
#ifndef SQLITE_OMIT_WAL
/*
** This function is called when the user invokes "PRAGMA wal_checkpoint",
** "PRAGMA wal_blocking_checkpoint" or calls the sqlite3_wal_checkpoint()
** or wal_blocking_checkpoint() API functions.
**
** Parameter eMode is one of SQLITE_CHECKPOINT_PASSIVE, FULL or RESTART.
|
< < < < < < < < < < |
7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 |
** uses it opaquely as an argument to sqlite3BackupRestart() and
** sqlite3BackupUpdate() only.
*/
sqlite3_backup **sqlite3PagerBackupPtr(Pager *pPager){
return &pPager->pBackup;
}
#ifndef SQLITE_OMIT_WAL
/*
** This function is called when the user invokes "PRAGMA wal_checkpoint",
** "PRAGMA wal_blocking_checkpoint" or calls the sqlite3_wal_checkpoint()
** or wal_blocking_checkpoint() API functions.
**
** Parameter eMode is one of SQLITE_CHECKPOINT_PASSIVE, FULL or RESTART.
|
Changes to src/pager.h.
199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 |
sqlite3_vfs *sqlite3PagerVfs(Pager*);
sqlite3_file *sqlite3PagerFile(Pager*);
sqlite3_file *sqlite3PagerJrnlFile(Pager*);
const char *sqlite3PagerJournalname(Pager*);
void *sqlite3PagerTempSpace(Pager*);
int sqlite3PagerIsMemdb(Pager*);
void sqlite3PagerCacheStat(Pager *, int, int, int *);
void sqlite3PagerClearCache(Pager *);
int sqlite3SectorSize(sqlite3_file *);
/* Functions used to truncate the database file. */
void sqlite3PagerTruncateImage(Pager*,Pgno);
void sqlite3PagerRekey(DbPage*, Pgno, u16);
|
< |
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sqlite3_vfs *sqlite3PagerVfs(Pager*); sqlite3_file *sqlite3PagerFile(Pager*); sqlite3_file *sqlite3PagerJrnlFile(Pager*); const char *sqlite3PagerJournalname(Pager*); void *sqlite3PagerTempSpace(Pager*); int sqlite3PagerIsMemdb(Pager*); void sqlite3PagerCacheStat(Pager *, int, int, int *); int sqlite3SectorSize(sqlite3_file *); /* Functions used to truncate the database file. */ void sqlite3PagerTruncateImage(Pager*,Pgno); void sqlite3PagerRekey(DbPage*, Pgno, u16); |