118 lines
4.3 KiB
C
118 lines
4.3 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 TDENGINE_QUERYTASK_H
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#define TDENGINE_QUERYTASK_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GET_TASKID(_t) (((SExecTaskInfo*)(_t))->id.str)
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enum {
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// when this task starts to execute, this status will set
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TASK_NOT_COMPLETED = 0x1u,
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/* Task is over
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* 1. this status is used in one row result query process, e.g., count/sum/first/last/ avg...etc.
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* 2. when all data within queried time window, it is also denoted as query_completed
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*/
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TASK_COMPLETED = 0x2u,
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};
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typedef struct STaskIdInfo {
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uint64_t queryId; // this is also a request id
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uint64_t subplanId;
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uint64_t templateId;
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char* str;
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int32_t vgId;
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uint64_t taskId;
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} STaskIdInfo;
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typedef struct STaskCostInfo {
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int64_t created;
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int64_t start;
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uint64_t elapsedTime;
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double extractListTime;
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double groupIdMapTime;
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SFileBlockLoadRecorder* pRecoder;
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} STaskCostInfo;
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typedef struct STaskStopInfo {
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SRWLatch lock;
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SArray* pStopInfo;
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} STaskStopInfo;
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typedef struct {
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STqOffsetVal currentOffset; // for tmq
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SMqMetaRsp metaRsp; // for tmq fetching meta
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int64_t snapshotVer;
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SSchemaWrapper* schema;
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char tbName[TSDB_TABLE_NAME_LEN]; // this is the current scan table: todo refactor
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int8_t recoverStep;
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// bool recoverStep1Finished;
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// bool recoverStep2Finished;
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int8_t recoverScanFinished;
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SQueryTableDataCond tableCond;
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SVersionRange fillHistoryVer;
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STimeWindow fillHistoryWindow;
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SStreamState* pState;
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} SStreamTaskInfo;
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struct SExecTaskInfo {
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STaskIdInfo id;
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uint32_t status;
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STimeWindow window;
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STaskCostInfo cost;
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int64_t owner; // if it is in execution
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int32_t code;
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int32_t qbufQuota; // total available buffer (in KB) during execution query
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int64_t version; // used for stream to record wal version, why not move to sschemainfo
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SStreamTaskInfo streamInfo;
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SArray* schemaInfos;
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SSchemaInfo schemaInfo;
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const char* sql; // query sql string
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jmp_buf env; // jump to this position when error happens.
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EOPTR_EXEC_MODEL execModel; // operator execution model [batch model|stream model]
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SSubplan* pSubplan;
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struct SOperatorInfo* pRoot;
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SLocalFetch localFetch;
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SArray* pResultBlockList; // result block list
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STaskStopInfo stopInfo;
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SRWLatch lock; // secure the access of STableListInfo
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SStorageAPI storageAPI;
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int8_t dynamicTask;
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SOperatorParam* pOpParam;
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bool paramSet;
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};
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void buildTaskId(uint64_t taskId, uint64_t queryId, char* dst);
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SExecTaskInfo* doCreateTask(uint64_t queryId, uint64_t taskId, int32_t vgId, EOPTR_EXEC_MODEL model, SStorageAPI* pAPI);
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void doDestroyTask(SExecTaskInfo* pTaskInfo);
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bool isTaskKilled(void* pTaskInfo);
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void setTaskKilled(SExecTaskInfo* pTaskInfo, int32_t rspCode);
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void setTaskStatus(SExecTaskInfo* pTaskInfo, int8_t status);
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int32_t createExecTaskInfo(SSubplan* pPlan, SExecTaskInfo** pTaskInfo, SReadHandle* pHandle, uint64_t taskId,
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int32_t vgId, char* sql, EOPTR_EXEC_MODEL model);
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int32_t qAppendTaskStopInfo(SExecTaskInfo* pTaskInfo, SExchangeOpStopInfo* pInfo);
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SArray* getTableListInfo(const SExecTaskInfo* pTaskInfo);
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#ifdef __cplusplus
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}
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#endif
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#endif // TDENGINE_QUERYTASK_H
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