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fix(query): fix invalid read

This commit is contained in:
Haojun Liao 2023-01-13 14:16:59 +08:00
parent bb5fb42c2f
commit 6332c982b5
1 changed files with 1 additions and 53 deletions
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54
source/dnode/vnode/src/meta/metaCache.c
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@ -158,9 +158,9 @@ void metaCacheClose(SMeta* pMeta) {
entryCacheClose(pMeta);
statsCacheClose(pMeta);
taosHashCleanup(pMeta->pCache->sTagFilterResCache.pTableEntry);
taosLRUCacheCleanup(pMeta->pCache->sTagFilterResCache.pUidResCache);
taosThreadMutexDestroy(&pMeta->pCache->sTagFilterResCache.lock);
taosHashCleanup(pMeta->pCache->sTagFilterResCache.pTableEntry);
taosMemoryFree(pMeta->pCache);
pMeta->pCache = NULL;
@ -620,58 +620,6 @@ int32_t metaUidFilterCachePut(SMeta* pMeta, uint64_t suid, const void* pKey, int
} else { // not equal, append it
tdListAppend(&(*pEntry)->list, pKey);
}
/*} else { // more than one element
bool checkCacheEntry = false;
SArray* pInvalidRes = NULL;
uint64_t keyBuf[3];
// if the threshold value is reached, need to check the value.
// if (NEED_CHECK_CACHE_ITEM(size, (*pEntry)->qTimes)) {
// checkCacheEntry = true;
// keyBuf[0] = suid;
// pInvalidRes = taosArrayInit(64, POINTER_BYTES);
// }
SListIter iter = {0};
tdListInitIter(&(*pEntry)->list, &iter, TD_LIST_FORWARD);
SListNode* pNode = NULL;
while ((pNode = tdListNext(&iter)) != NULL) {
uint64_t* p = (uint64_t*)pNode->data;
// key already exists in cache, quit
if (p[1] == ((uint64_t*)pKey)[1] && p[0] == ((uint64_t*)pKey)[0]) {
// do remove invalid entry in hash
if (pInvalidRes != NULL) {
removeInvalidCacheItem(pInvalidRes, *pEntry, false);
}
taosThreadMutexUnlock(pLock);
return TSDB_CODE_SUCCESS;
}
// check whether it is existed in LRU cache, and remove it from linked list if not
// we record every invalid items and remove when the loop is over.
if (checkCacheEntry) {
keyBuf[1] = p[1];
keyBuf[2] = p[2];
LRUHandle* pRes = taosLRUCacheLookup(pCache, keyBuf, 24);
if (pRes == NULL) { // add the invalid item in the array list to be removed.
taosArrayPush(pInvalidRes, &pNode);
} else {
taosLRUCacheRelease(pCache, pRes, false);
}
}
}
// do remove invalid entry in hash
if (pInvalidRes != NULL) {
removeInvalidCacheItem(pInvalidRes, *pEntry, false);
}
tdListAppend(&(*pEntry)->list, pKey);
}*/
}
}