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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 |
| Timelines: | family | ancestors | descendants | both | tempfiles-lazy-open |
| Files: | files | file ages | folders |
| SHA1: |
bbac71aa2aa2380d393cda3be64b0208 |
| User & Date: | dan 2016-04-12 19:09:29.339 |
Context
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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: f6babf2920 user: dan tags: tempfiles-25) | |
| 16:02 | Merge enhancements from trunk. (Closed-Leaf check-in: e2edd34e79 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: bbac71aa2a user: dan tags: tempfiles-lazy-open) | |
| 16:10 | Merge enhancements from trunk. (check-in: 9682c0433c user: drh tags: tempfiles-lazy-open) | |
Changes
Changes to src/pager.c.
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}
}
#endif
sqlite3BitvecDestroy(pPager->pInJournal);
pPager->pInJournal = 0;
pPager->nRec = 0;
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}
}
#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) ){
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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 );
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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 );
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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 );
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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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