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This commit is contained in:
Hongze Cheng 2022-03-03 08:31:00 +00:00
parent 64f290409e
commit 983339f1f6
1 changed files with 24 additions and 9 deletions
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33
source/libs/tdb/src/db/tdbPager.c
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@ -260,17 +260,23 @@ int tdbPagerFetchPage(SPager *pPager, SPgno pgno, SPage **ppPage) {
if (pPage->pPager == NULL) {
ASSERT(pgno < pPager->dbOrigSize);
ret = tdbPagerReadPage(pPager, pPage);
if (ret < 0) {
return -1;
// tdbWLockPage(pPage);
if (pPage->pPager == NULL) {
ret = tdbPagerReadPage(pPager, pPage);
if (ret < 0) {
return -1;
}
// ret = (*initPage)(pPage);
// if (ret < 0) {
// return -1;
// }
pPage->pPager = pPager;
}
// ret = (*initPage)(pPage);
// if (ret < 0) {
// return -1;
// }
pPage->pPager = pPager;
// tdbWUnlockPage(pPage);
} else {
ASSERT(pPage->pPager == pPager);
}
@ -302,9 +308,18 @@ int tdbPagerNewPage(SPager *pPager, SPgno *ppgno, SPage **ppPage) {
ASSERT(pPage->pPager == NULL);
// TODO: a race condition problem may occur here
// tdbWLockPage(pPage);
// TODO: zero init the new page
// (*initNewPage)(pPage, arg);
pPage->pPager = NULL;
// tdbWunlockPage(pPage);
*ppPage = pPage;
return 0;
}