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Overview
| Comment: | Once a temporary database file has been opened, flush all dirty pages to disk when comitting a transaction. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | tempfiles-lazy-open |
| Files: | files | file ages | folders |
| SHA1: |
bbac71aa2aa2380d393cda3be64b0208 |
| User & Date: | dan 2016-04-12 19:09:29 |
Context
|
2016-04-13
| ||
| 16:52 | On commit, flush dirty temp-file pages only if the file is already open and 25% or more of the cache is dirty. check-in: f6babf29 user: dan tags: tempfiles-25 | |
| 16:02 | Merge enhancements from trunk. Closed-Leaf check-in: e2edd34e user: drh tags: tempfiles-lazy-open | |
|
2016-04-12
| ||
| 19:09 | Once a temporary database file has been opened, flush all dirty pages to disk when comitting a transaction. check-in: bbac71aa user: dan tags: tempfiles-lazy-open | |
| 16:10 | Merge enhancements from trunk. check-in: 9682c043 user: drh tags: tempfiles-lazy-open | |
Changes
Changes to src/pager.c.
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 .... 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 .... 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 |
}
}
#endif
sqlite3BitvecDestroy(pPager->pInJournal);
pPager->pInJournal = 0;
pPager->nRec = 0;
if( pPager->tempFile==0 || MEMDB ){
sqlite3PcacheCleanAll(pPager->pPCache);
}else{
sqlite3PcacheClearWritable(pPager->pPCache);
}
sqlite3PcacheTruncate(pPager->pPCache, pPager->dbSize);
if( pagerUseWal(pPager) ){
................................................................................
static int pager_write_pagelist(Pager *pPager, PgHdr *pList){
int rc = SQLITE_OK; /* Return code */
/* This function is only called for rollback pagers in WRITER_DBMOD state. */
assert( !pagerUseWal(pPager) );
assert( pPager->tempFile || pPager->eState==PAGER_WRITER_DBMOD );
assert( pPager->eLock==EXCLUSIVE_LOCK );
assert( pPager->tempFile==0 || pList->pDirty==0 );
/* If the file is a temp-file has not yet been opened, open it now. It
** is not possible for rc to be other than SQLITE_OK if this branch
** is taken, as pager_wait_on_lock() is a no-op for temp-files.
*/
if( !isOpen(pPager->fd) ){
assert( pPager->tempFile && rc==SQLITE_OK );
................................................................................
PAGERTRACE(("DATABASE SYNC: File=%s zMaster=%s nSize=%d\n",
pPager->zFilename, zMaster, pPager->dbSize));
/* If no database changes have been made, return early. */
if( pPager->eState<PAGER_WRITER_CACHEMOD ) return SQLITE_OK;
assert( MEMDB==0 || pPager->tempFile );
if( pPager->tempFile ){
/* If this is an in-memory db, or no pages have been written to, or this
** function has already been called, it is mostly a no-op. However, any
** backup in progress needs to be restarted. */
sqlite3BackupRestart(pPager->pBackup);
}else{
if( pagerUseWal(pPager) ){
PgHdr *pList = sqlite3PcacheDirtyList(pPager->pPCache);
|
| | | > |
2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 .... 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 .... 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 |
}
}
#endif
sqlite3BitvecDestroy(pPager->pInJournal);
pPager->pInJournal = 0;
pPager->nRec = 0;
if( isOpen(pPager->fd) || MEMDB ){
sqlite3PcacheCleanAll(pPager->pPCache);
}else{
sqlite3PcacheClearWritable(pPager->pPCache);
}
sqlite3PcacheTruncate(pPager->pPCache, pPager->dbSize);
if( pagerUseWal(pPager) ){
................................................................................
static int pager_write_pagelist(Pager *pPager, PgHdr *pList){
int rc = SQLITE_OK; /* Return code */
/* This function is only called for rollback pagers in WRITER_DBMOD state. */
assert( !pagerUseWal(pPager) );
assert( pPager->tempFile || pPager->eState==PAGER_WRITER_DBMOD );
assert( pPager->eLock==EXCLUSIVE_LOCK );
assert( isOpen(pPager->fd) || pList->pDirty==0 );
/* If the file is a temp-file has not yet been opened, open it now. It
** is not possible for rc to be other than SQLITE_OK if this branch
** is taken, as pager_wait_on_lock() is a no-op for temp-files.
*/
if( !isOpen(pPager->fd) ){
assert( pPager->tempFile && rc==SQLITE_OK );
................................................................................
PAGERTRACE(("DATABASE SYNC: File=%s zMaster=%s nSize=%d\n",
pPager->zFilename, zMaster, pPager->dbSize));
/* If no database changes have been made, return early. */
if( pPager->eState<PAGER_WRITER_CACHEMOD ) return SQLITE_OK;
assert( MEMDB==0 || pPager->tempFile );
assert( isOpen(pPager->fd) || pPager->tempFile );
if( !isOpen(pPager->fd) ){
/* If this is an in-memory db, or no pages have been written to, or this
** function has already been called, it is mostly a no-op. However, any
** backup in progress needs to be restarted. */
sqlite3BackupRestart(pPager->pBackup);
}else{
if( pagerUseWal(pPager) ){
PgHdr *pList = sqlite3PcacheDirtyList(pPager->pPCache);
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