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fix: dirty new allocated non-dirty page (root leaf without writings)

This commit is contained in:
Minglei Jin 2022-07-05 14:28:10 +08:00
parent 6af95b3b65
commit 06af04675a
3 changed files with 268 additions and 251 deletions
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8
source/libs/tdb/src/db/tdbBtree.c
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@ -321,7 +321,7 @@ static int tdbBtreeOpenImpl(SBTree *pBt) {
{ {
// 1. TODO: Search the main DB to check if the DB exists // 1. TODO: Search the main DB to check if the DB exists
ret = tdbPagerOpenDB(pBt->pPager, &pgno, true); ret = tdbPagerOpenDB(pBt->pPager, &pgno, true, pBt);
ASSERT(ret == 0); ASSERT(ret == 0);
} }
@ -721,7 +721,8 @@ static int tdbBtreeBalanceNonRoot(SBTree *pBt, SPage *pParent, int idx, TXN *pTx
int szNewCell; int szNewCell;
SPgno pgno; SPgno pgno;
pgno = TDB_PAGE_PGNO(pNews[iNew]); pgno = TDB_PAGE_PGNO(pNews[iNew]);
tdbBtreeEncodeCell(pParent, cd.pKey, cd.kLen, (void *)&pgno, sizeof(SPgno), pNewCell, &szNewCell, pTxn, pBt); tdbBtreeEncodeCell(pParent, cd.pKey, cd.kLen, (void *)&pgno, sizeof(SPgno), pNewCell, &szNewCell, pTxn,
pBt);
tdbPageInsertCell(pParent, sIdx++, pNewCell, szNewCell, 0); tdbPageInsertCell(pParent, sIdx++, pNewCell, szNewCell, 0);
tdbOsFree(pNewCell); tdbOsFree(pNewCell);
} }
@ -1142,7 +1143,8 @@ static int tdbBtreeEncodeCell(SPage *pPage, const void *pKey, int kLen, const vo
return 0; return 0;
} }
static int tdbBtreeDecodePayload(SPage *pPage, const SCell *pCell, int nHeader, SCellDecoder *pDecoder, TXN *pTxn, SBTree *pBt) { static int tdbBtreeDecodePayload(SPage *pPage, const SCell *pCell, int nHeader, SCellDecoder *pDecoder, TXN *pTxn,
SBTree *pBt) {
int ret = 0; int ret = 0;
int nPayload; int nPayload;
int maxLocal = pPage->maxLocal; int maxLocal = pPage->maxLocal;

32
source/libs/tdb/src/db/tdbPager.c
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@ -98,7 +98,7 @@ int tdbPagerClose(SPager *pPager) {
return 0; return 0;
} }
int tdbPagerOpenDB(SPager *pPager, SPgno *ppgno, bool toCreate) { int tdbPagerOpenDB(SPager *pPager, SPgno *ppgno, bool toCreate, SBTree *pBt) {
SPgno pgno; SPgno pgno;
SPage *pPage; SPage *pPage;
int ret; int ret;
@ -114,19 +114,35 @@ int tdbPagerOpenDB(SPager *pPager, SPgno *ppgno, bool toCreate) {
// pgno = 0; // pgno = 0;
} }
// if (pgno == 0 && toCreate) { if (pgno == 0 && toCreate) {
// allocate a new child page
TXN txn;
tdbTxnOpen(&txn, 0, tdbDefaultMalloc, tdbDefaultFree, NULL, 0);
pPager->inTran = 1;
SBtreeInitPageArg zArg;
zArg.flags = 0x1 | 0x2; // root leaf node;
zArg.pBt = pBt;
ret = tdbPagerFetchPage(pPager, &pgno, &pPage, tdbBtreeInitPage, &zArg, &txn);
if (ret < 0) {
return -1;
}
// ret = tdbPagerAllocPage(pPager, &pPage, &pgno); // ret = tdbPagerAllocPage(pPager, &pPage, &pgno);
// if (ret < 0) { // if (ret < 0) {
// return -1; // return -1;
//} //}
// // TODO: Need to zero the page // TODO: Need to zero the page
// ret = tdbPagerWrite(pPager, pPage); ret = tdbPagerWrite(pPager, pPage);
// if (ret < 0) { if (ret < 0) {
// return -1; return -1;
// } }
// }
tdbTxnClose(&txn);
}
*ppgno = pgno; *ppgno = pgno;
return 0; return 0;

11
source/libs/tdb/src/inc/tdbInt.h
View File

@ -184,7 +184,7 @@ int tdbBtcUpsert(SBTC *pBtc, const void *pKey, int kLen, const void *pData, int
int tdbPagerOpen(SPCache *pCache, const char *fileName, SPager **ppPager); int tdbPagerOpen(SPCache *pCache, const char *fileName, SPager **ppPager);
int tdbPagerClose(SPager *pPager); int tdbPagerClose(SPager *pPager);
int tdbPagerOpenDB(SPager *pPager, SPgno *ppgno, bool toCreate); int tdbPagerOpenDB(SPager *pPager, SPgno *ppgno, bool toCreate, SBTree *pBt);
int tdbPagerWrite(SPager *pPager, SPage *pPage); int tdbPagerWrite(SPager *pPager, SPage *pPage);
int tdbPagerBegin(SPager *pPager, TXN *pTxn); int tdbPagerBegin(SPager *pPager, TXN *pTxn);
int tdbPagerCommit(SPager *pPager, TXN *pTxn); int tdbPagerCommit(SPager *pPager, TXN *pTxn);
@ -318,15 +318,14 @@ static inline int tdbTryLockPage(tdb_spinlock_t *pLock) {
#define TDB_PAGE_USABLE_SIZE(pPage) ((u8 *)(pPage)->pPageFtr - (pPage)->pCellIdx) #define TDB_PAGE_USABLE_SIZE(pPage) ((u8 *)(pPage)->pPageFtr - (pPage)->pCellIdx)
#define TDB_PAGE_FREE_SIZE(pPage) (*(pPage)->pPageMethods->getFreeBytes)(pPage) #define TDB_PAGE_FREE_SIZE(pPage) (*(pPage)->pPageMethods->getFreeBytes)(pPage)
#define TDB_PAGE_PGNO(pPage) ((pPage)->pgid.pgno) #define TDB_PAGE_PGNO(pPage) ((pPage)->pgid.pgno)
#define TDB_BYTES_CELL_TAKEN(pPage, pCell) ((*(pPage)->xCellSize)(pPage, pCell, 0, NULL, NULL) + (pPage)->pPageMethods->szOffset) #define TDB_BYTES_CELL_TAKEN(pPage, pCell) \
((*(pPage)->xCellSize)(pPage, pCell, 0, NULL, NULL) + (pPage)->pPageMethods->szOffset)
#define TDB_PAGE_OFFSET_SIZE(pPage) ((pPage)->pPageMethods->szOffset) #define TDB_PAGE_OFFSET_SIZE(pPage) ((pPage)->pPageMethods->szOffset)
int tdbPageCreate(int pageSize, SPage **ppPage, void *(*xMalloc)(void *, size_t), void *arg); int tdbPageCreate(int pageSize, SPage **ppPage, void *(*xMalloc)(void *, size_t), void *arg);
int tdbPageDestroy(SPage *pPage, void (*xFree)(void *arg, void *ptr), void *arg); int tdbPageDestroy(SPage *pPage, void (*xFree)(void *arg, void *ptr), void *arg);
void tdbPageZero(SPage *pPage, u8 szAmHdr, int (*xCellSize)(const SPage *, SCell *, int, void tdbPageZero(SPage *pPage, u8 szAmHdr, int (*xCellSize)(const SPage *, SCell *, int, TXN *, SBTree *pBt));
TXN *, SBTree *pBt)); void tdbPageInit(SPage *pPage, u8 szAmHdr, int (*xCellSize)(const SPage *, SCell *, int, TXN *, SBTree *pBt));
void tdbPageInit(SPage *pPage, u8 szAmHdr, int (*xCellSize)(const SPage *, SCell *, int,
TXN *, SBTree *pBt));
int tdbPageInsertCell(SPage *pPage, int idx, SCell *pCell, int szCell, u8 asOvfl); int tdbPageInsertCell(SPage *pPage, int idx, SCell *pCell, int szCell, u8 asOvfl);
int tdbPageDropCell(SPage *pPage, int idx, TXN *pTxn, SBTree *pBt); int tdbPageDropCell(SPage *pPage, int idx, TXN *pTxn, SBTree *pBt);
int tdbPageUpdateCell(SPage *pPage, int idx, SCell *pCell, int szCell, TXN *pTxn, SBTree *pBt); int tdbPageUpdateCell(SPage *pPage, int idx, SCell *pCell, int szCell, TXN *pTxn, SBTree *pBt);