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more TDB

This commit is contained in:
Hongze Cheng 2022-03-20 13:00:51 +00:00
parent dd7344c780
commit f91124ef8e
1 changed files with 20 additions and 1 deletions
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21
source/libs/tdb/src/page/tdbPage.c
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@ -26,6 +26,7 @@ extern SPageMethods pageLargeMethods;
static int tdbPageAllocate(SPage *pPage, int size, SCell **ppCell);
static int tdbPageDefragment(SPage *pPage);
static int tdbPageFree(SPage *pPage, int idx, SCell *pCell, int szCell);
int tdbPageCreate(int pageSize, SPage **ppPage, void *(*xMalloc)(void *, size_t), void *arg) {
SPage *pPage;
@ -131,7 +132,25 @@ int tdbPageInsertCell(SPage *pPage, int idx, SCell *pCell, int szCell) {
}
int tdbPageDropCell(SPage *pPage, int idx) {
// TODO
int lidx;
SCell *pCell;
int szCell;
int nCells;
nCells = TDB_PAGE_NCELLS(pPage);
if (pPage->nOverflow == 0) {
lidx = idx;
} else {
// TODO
}
pCell = TDB_PAGE_CELL_AT(pPage, lidx);
szCell = (*pPage->xCellSize)(pCell);
tdbPageFree(pPage, lidx, pCell, szCell);
TDB_PAGE_NCELLS_SET(pPage, nCells - 1);
return 0;
}