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refactor: set filter function for last_row function.

This commit is contained in:
Haojun Liao 2022-08-03 15:34:42 +08:00
parent bc600a4942
commit 074500805c
2 changed files with 3 additions and 3 deletions
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5
source/libs/executor/src/scanoperator.c
View File

@ -521,7 +521,7 @@ static SSDataBlock* doTableScanGroup(SOperatorInfo* pOperator) {
if (pTableScanInfo->scanTimes < pTableScanInfo->scanInfo.numOfAsc) { if (pTableScanInfo->scanTimes < pTableScanInfo->scanInfo.numOfAsc) {
setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED); setTaskStatus(pTaskInfo, TASK_NOT_COMPLETED);
pTableScanInfo->scanFlag = REPEAT_SCAN; pTableScanInfo->scanFlag = REPEAT_SCAN;
qDebug("%s start to repeat ascending order scan data blocks due to query func required", GET_TASKID(pTaskInfo)); qDebug("%s start to repeat ascending order scan data SELECT last_row(*),hostname from cpu group by hostname;blocks due to query func required", GET_TASKID(pTaskInfo));
// do prepare for the next round table scan operation // do prepare for the next round table scan operation
tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond); tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
@ -533,10 +533,9 @@ static SSDataBlock* doTableScanGroup(SOperatorInfo* pOperator) {
if (pTableScanInfo->cond.order == TSDB_ORDER_ASC) { if (pTableScanInfo->cond.order == TSDB_ORDER_ASC) {
prepareForDescendingScan(pTableScanInfo, pOperator->exprSupp.pCtx, 0); prepareForDescendingScan(pTableScanInfo, pOperator->exprSupp.pCtx, 0);
tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond); tsdbReaderReset(pTableScanInfo->dataReader, &pTableScanInfo->cond);
qDebug("%s start to descending order scan data blocks due to query func required", GET_TASKID(pTaskInfo));
} }
qDebug("%s start to descending order scan data blocks due to query func required", GET_TASKID(pTaskInfo));
while (pTableScanInfo->scanTimes < total) { while (pTableScanInfo->scanTimes < total) {
SSDataBlock* p = doTableScanImpl(pOperator); SSDataBlock* p = doTableScanImpl(pOperator);
if (p != NULL) { if (p != NULL) {

1
source/libs/function/src/builtins.c
View File

@ -2271,6 +2271,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
.type = FUNCTION_TYPE_LAST_ROW, .type = FUNCTION_TYPE_LAST_ROW,
.classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC, .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_MULTI_RES_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_IMPLICIT_TS_FUNC,
.translateFunc = translateFirstLast, .translateFunc = translateFirstLast,
.dynDataRequiredFunc = lastDynDataReq,
.getEnvFunc = getFirstLastFuncEnv, .getEnvFunc = getFirstLastFuncEnv,
.initFunc = functionSetup, .initFunc = functionSetup,
.processFunc = lastRowFunction, .processFunc = lastRowFunction,