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more TDB

This commit is contained in:
Hongze Cheng 2022-02-07 07:07:27 +00:00
parent 6d446e6134
commit 211b6ad47c
4 changed files with 43 additions and 7 deletions
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2
source/libs/tdb/src/db/pgcache.c
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@ -122,7 +122,7 @@ int pgCacheClose(SPgCache *pPgCache) {
return 0; return 0;
} }
SPage *pgCacheFetch(SPgCache *pPgCache) { SPage *pgCacheFetch(SPgCache *pPgCache, pgid_t pgid) {
// TODO // TODO
return NULL; return NULL;
} }

28
source/libs/tdb/src/db/pgfile.c
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@ -13,4 +13,30 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>. * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/ */
#include "tdbInt.h" #include "tdbInt.h"
int pgFileOpen(const char *fname, SPgCache *pPgCache, SPgFile **ppPgFile) {
SPgFile *pPgFile;
// TODO
return 0;
}
int pgFileClose(SPgFile *pPgFile) {
// TODO
return 0;
}
SPage *pgFileFetch(SPgFile *pPgFile, pgno_t pgno) {
// TODO
return NULL;
}
int pgFileRelease(SPage *pPage) {
// TODO
return 0;
}
int pgFileWrite(SPage *pPage) {
// TODO
return 0;
}

4
source/libs/tdb/src/inc/pgcache.h
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@ -25,11 +25,11 @@ typedef struct SPage SPage;
// SPgCache // SPgCache
int pgCacheCreate(SPgCache **ppPgCache, pgsize_t pgSize, int32_t npage); int pgCacheCreate(SPgCache **ppPgCache, pgsize_t pgSize, int32_t npage);
int pgCacheDestroy(SPgCache *pPgCache);
int pgCacheOpen(SPgCache **ppPgCache); int pgCacheOpen(SPgCache **ppPgCache);
int pgCacheClose(SPgCache *pPgCache); int pgCacheClose(SPgCache *pPgCache);
int pgCacheClose(SPgCache *pPgCache);
SPage *pgCacheFetch(SPgCache *pPgCache); SPage *pgCacheFetch(SPgCache *pPgCache, pgid_t pgid);
int pgCacheRelease(SPage *pPage); int pgCacheRelease(SPage *pPage);
// SPage // SPage

16
source/libs/tdb/src/inc/pgfile.h
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@ -21,12 +21,22 @@ extern "C" {
#endif #endif
typedef struct SPgFile SPgFile; typedef struct SPgFile SPgFile;
struct SPgFile { struct SPgFile {
char * fname; // backend file name char * fname; // backend file name
SPgCache *pPgCache; // page cache underline uint8_t fileid[TDB_FILE_ID_LEN]; // file id
SPgCache *pPgCache; // page cache underline
int fd;
pgno_t pgFileSize;
}; };
int pgFileOpen(const char *fname, SPgCache *pPgCache, SPgFile **ppPgFile);
int pgFileClose(SPgFile *pPgFile);
SPage *pgFileFetch(SPgFile *pPgFile, pgno_t pgno);
int pgFileRelease(SPage *pPage);
int pgFileWrite(SPage *pPage);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif