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Overview
| Comment: | Follow-up to [0bf0fd242b93c3bd30]: only reset the pager when adding a new codec, not when overwriting an existing codec. Also, improve a comment in the pcache1 subsystem. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
5c040fdb013d178e5dffa300621eab91 |
| User & Date: | drh 2018-11-28 11:09:09 |
Context
|
2018-11-28
| ||
| 11:49 | Update some test cases to account for SQLITE_OMIT_VIRTUAL_TABLE builds. (check-in: b53a9a3d user: dan tags: trunk) | |
| 11:09 | Follow-up to [0bf0fd242b93c3bd30]: only reset the pager when adding a new codec, not when overwriting an existing codec. Also, improve a comment in the pcache1 subsystem. (check-in: 5c040fdb user: drh tags: trunk) | |
| 08:24 | Changes to Makefile.in to allow testfixture to be built with SQLITE_USER_AUTHENTICATION. (check-in: 7b510f59 user: dan tags: trunk) | |
Changes
Changes to src/pager.c.
7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 |
void sqlite3PagerSetCodec(
Pager *pPager,
void *(*xCodec)(void*,void*,Pgno,int),
void (*xCodecSizeChng)(void*,int,int),
void (*xCodecFree)(void*),
void *pCodec
){
pager_reset(pPager);
if( pPager->xCodecFree ) pPager->xCodecFree(pPager->pCodec);
pPager->xCodec = pPager->memDb ? 0 : xCodec;
pPager->xCodecSizeChng = xCodecSizeChng;
pPager->xCodecFree = xCodecFree;
pPager->pCodec = pCodec;
setGetterMethod(pPager);
pagerReportSize(pPager);
}
|
| | > > > |
7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045 7046 |
void sqlite3PagerSetCodec(
Pager *pPager,
void *(*xCodec)(void*,void*,Pgno,int),
void (*xCodecSizeChng)(void*,int,int),
void (*xCodecFree)(void*),
void *pCodec
){
if( pPager->xCodecFree ){
pPager->xCodecFree(pPager->pCodec);
}else{
pager_reset(pPager);
}
pPager->xCodec = pPager->memDb ? 0 : xCodec;
pPager->xCodecSizeChng = xCodecSizeChng;
pPager->xCodecFree = xCodecFree;
pPager->pCodec = pCodec;
setGetterMethod(pPager);
pagerReportSize(pPager);
}
|
Changes to src/pcache1.c.
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 |
PgHdr1 *pNext; /* Next in hash table chain */ PCache1 *pCache; /* Cache that currently owns this page */ PgHdr1 *pLruNext; /* Next in LRU list of unpinned pages */ PgHdr1 *pLruPrev; /* Previous in LRU list of unpinned pages */ }; /* ** A page is pinned if it is no on the LRU list */ #define PAGE_IS_PINNED(p) ((p)->pLruNext==0) #define PAGE_IS_UNPINNED(p) ((p)->pLruNext!=0) /* Each page cache (or PCache) belongs to a PGroup. A PGroup is a set ** of one or more PCaches that are able to recycle each other's unpinned ** pages when they are under memory pressure. A PGroup is an instance of |
| > |
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 |
PgHdr1 *pNext; /* Next in hash table chain */ PCache1 *pCache; /* Cache that currently owns this page */ PgHdr1 *pLruNext; /* Next in LRU list of unpinned pages */ PgHdr1 *pLruPrev; /* Previous in LRU list of unpinned pages */ }; /* ** A page is pinned if it is not on the LRU list. To be "pinned" means ** that the page is in active use and must not be deallocated. */ #define PAGE_IS_PINNED(p) ((p)->pLruNext==0) #define PAGE_IS_UNPINNED(p) ((p)->pLruNext!=0) /* Each page cache (or PCache) belongs to a PGroup. A PGroup is a set ** of one or more PCaches that are able to recycle each other's unpinned ** pages when they are under memory pressure. A PGroup is an instance of |