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fix(query): release the handle

This commit is contained in:
Haojun Liao 2022-11-07 16:02:53 +08:00
parent c86427c771
commit 088a61bee5
1 changed files with 12 additions and 6 deletions
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18
source/libs/executor/src/scanoperator.c
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@ -535,6 +535,7 @@ int32_t addTagPseudoColumnData(SReadHandle* pHandle, const SExprInfo* pExpr, int
STableCachedVal val = {0};
SMetaReader mr = {0};
LRUHandle* h = NULL;
// 1. check if it is existed in meta cache
if (pCache == NULL) {
@ -555,7 +556,7 @@ int32_t addTagPseudoColumnData(SReadHandle* pHandle, const SExprInfo* pExpr, int
} else {
pCache->metaFetch += 1;
LRUHandle* h = taosLRUCacheLookup(pCache->pTableMetaEntryCache, &pBlock->info.uid, sizeof(pBlock->info.uid));
h = taosLRUCacheLookup(pCache->pTableMetaEntryCache, &pBlock->info.uid, sizeof(pBlock->info.uid));
if (h == NULL) {
metaReaderInit(&mr, pHandle->meta, 0);
code = metaGetTableEntryByUid(&mr, pBlock->info.uid);
@ -569,23 +570,28 @@ int32_t addTagPseudoColumnData(SReadHandle* pHandle, const SExprInfo* pExpr, int
STableCachedVal* pVal = taosMemoryMalloc(sizeof(STableCachedVal));
pVal->pName = strdup(mr.me.name);
STag* pTag = (STag*)mr.me.ctbEntry.pTags;
pVal->pTags = NULL;
pVal->pTags = taosMemoryMalloc(pTag->len);
memcpy(pVal->pTags, mr.me.ctbEntry.pTags, pTag->len);
// only child table has tag value
if (mr.me.type == TSDB_CHILD_TABLE) {
STag* pTag = (STag*)mr.me.ctbEntry.pTags;
pVal->pTags = taosMemoryMalloc(pTag->len);
memcpy(pVal->pTags, mr.me.ctbEntry.pTags, pTag->len);
}
val = *pVal;
freeReader = true;
int32_t ret = taosLRUCacheInsert(pCache->pTableMetaEntryCache, &pBlock->info.uid, sizeof(uint64_t), pVal, sizeof(STableCachedVal), freeCachedMetaItem, NULL, TAOS_LRU_PRIORITY_LOW);
if (ret != TAOS_LRU_STATUS_OK) {
qError("failed to put meta into lru cache, code:%d, %s", ret, idStr);
freeTableCachedVal(pVal);
} else {
val = *pVal;
}
} else {
pCache->cacheHit += 1;
STableCachedVal* pVal = taosLRUCacheValue(pCache->pTableMetaEntryCache, h);
val = *pVal;
taosLRUCacheRelease(pCache->pTableMetaEntryCache, h, false);
}
qDebug("retrieve table meta from cache:%"PRIu64", hit:%"PRIu64 " miss:%"PRIu64", %s", pCache->metaFetch, pCache->cacheHit,