76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_SCHEDULER_H_
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#define _TD_SCHEDULER_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "planner.h"
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typedef struct SSchedulerCfg {
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int32_t clusterType;
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} SSchedulerCfg;
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typedef struct SQueryProfileSummary {
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int64_t startTs; // Object created and added into the message queue
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int64_t endTs; // the timestamp when the task is completed
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int64_t cputime; // total cpu cost, not execute elapsed time
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int64_t loadRemoteDataDuration; // remote io time
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int64_t loadNativeDataDuration; // native disk io time
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uint64_t loadNativeData; // blocks + SMA + header files
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uint64_t loadRemoteData; // remote data acquired by exchange operator.
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uint64_t waitDuration; // the time to waiting to be scheduled in queue does matter, so we need to record it
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int64_t addQTs; // the time to be added into the message queue, used to calculate the waiting duration in queue.
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uint64_t totalRows;
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uint64_t loadRows;
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uint32_t totalBlocks;
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uint32_t loadBlocks;
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uint32_t loadBlockAgg;
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uint32_t skipBlocks;
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uint64_t resultSize; // generated result size in Kb.
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} SQueryProfileSummary;
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/**
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* Process the query job, generated according to the query physical plan.
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* This is a synchronized API, and is also thread-safety.
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* @param pJob
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* @return
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*/
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int32_t scheduleQueryJob(struct SCatalog *pCatalog, void *pRpc, const SEpSet* pMgmtEps, SQueryDag* pDag, void** pJob);
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int32_t scheduleFetchRows(void *pRpc, void *pJob, void *data);
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/**
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* Cancel query job
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* @param pJob
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* @return
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*/
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int32_t scheduleCancelJob(void *pRpc, void *pJob);
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void scheduleFreeJob(void *pJob);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_SCHEDULER_H_*/ |