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refactor: do some internal refactor.

This commit is contained in:
Haojun Liao 2022-11-11 18:09:38 +08:00
parent b83f895726
commit f3be445412
1 changed files with 16 additions and 9 deletions
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25
source/libs/executor/src/cachescanoperator.c
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@ -30,6 +30,8 @@ static void destroyLastrowScanOperator(void* param);
static int32_t extractCacheScanSlotId(const SArray* pColMatchInfo, SExecTaskInfo* pTaskInfo, int32_t** pSlotIds);
static int32_t removeRedundantTsCol(SLastRowScanPhysiNode* pScanNode, SColMatchInfo* pColMatchInfo);
#define SCAN_ROW_TYPE(_t) ((_t)? CACHESCAN_RETRIEVE_LAST : CACHESCAN_RETRIEVE_LAST_ROW)
SOperatorInfo* createCacherowsScanOperator(SLastRowScanPhysiNode* pScanNode, SReadHandle* readHandle,
SExecTaskInfo* pTaskInfo) {
int32_t code = TSDB_CODE_SUCCESS;
@ -61,14 +63,14 @@ SOperatorInfo* createCacherowsScanOperator(SLastRowScanPhysiNode* pScanNode, SRe
STableListInfo* pTableList = pTaskInfo->pTableInfoList;
initResultSizeInfo(&pOperator->resultInfo, 4096);
blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
int32_t totalTables = tableListGetSize(pTableList);
int32_t capacity = 0;
pInfo->pUidList = taosArrayInit(4, sizeof(int64_t));
// partition by tbname, todo opt perf
if (oneTableForEachGroup(pTableList) || (tableListGetSize(pTableList) == 1)) {
pInfo->retrieveType =
CACHESCAN_RETRIEVE_TYPE_ALL | (pScanNode->ignoreNull ? CACHESCAN_RETRIEVE_LAST : CACHESCAN_RETRIEVE_LAST_ROW);
// partition by tbname
if (oneTableForEachGroup(pTableList) || (totalTables == 1)) {
pInfo->retrieveType = CACHESCAN_RETRIEVE_TYPE_ALL | SCAN_ROW_TYPE(pScanNode->ignoreNull);
STableKeyInfo* pList = tableListGetInfo(pTableList, 0);
@ -80,13 +82,18 @@ SOperatorInfo* createCacherowsScanOperator(SLastRowScanPhysiNode* pScanNode, SRe
goto _error;
}
capacity = TMIN(totalTables, 4096);
pInfo->pBufferredRes = createOneDataBlock(pInfo->pRes, false);
blockDataEnsureCapacity(pInfo->pBufferredRes, pOperator->resultInfo.capacity);
blockDataEnsureCapacity(pInfo->pBufferredRes, capacity);
} else { // by tags
pInfo->retrieveType = CACHESCAN_RETRIEVE_TYPE_SINGLE |
(pScanNode->ignoreNull ? CACHESCAN_RETRIEVE_LAST : CACHESCAN_RETRIEVE_LAST_ROW);
pInfo->retrieveType = CACHESCAN_RETRIEVE_TYPE_SINGLE | SCAN_ROW_TYPE(pScanNode->ignoreNull);
capacity = 1; // only one row output
}
initResultSizeInfo(&pOperator->resultInfo, capacity);
blockDataEnsureCapacity(pInfo->pRes, pOperator->resultInfo.capacity);
if (pScanNode->scan.pScanPseudoCols != NULL) {
SExprSupp* p = &pInfo->pseudoExprSup;
p->pExprInfo = createExprInfo(pScanNode->scan.pScanPseudoCols, NULL, &p->numOfExprs);