170 lines
9.1 KiB
C
170 lines
9.1 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_OPERATOR_H
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#define TDENGINE_OPERATOR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct SOperatorCostInfo {
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double openCost;
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double totalCost;
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} SOperatorCostInfo;
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struct SOperatorInfo;
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typedef int32_t (*__optr_encode_fn_t)(struct SOperatorInfo* pOperator, char** result, int32_t* length);
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typedef int32_t (*__optr_decode_fn_t)(struct SOperatorInfo* pOperator, char* result);
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typedef int32_t (*__optr_open_fn_t)(struct SOperatorInfo* pOptr);
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typedef SSDataBlock* (*__optr_fn_t)(struct SOperatorInfo* pOptr);
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typedef void (*__optr_close_fn_t)(void* param);
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typedef int32_t (*__optr_explain_fn_t)(struct SOperatorInfo* pOptr, void** pOptrExplain, uint32_t* len);
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typedef int32_t (*__optr_reqBuf_fn_t)(struct SOperatorInfo* pOptr);
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typedef void (*__optr_state_fn_t)(struct SOperatorInfo* pOptr);
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typedef struct SOperatorFpSet {
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__optr_open_fn_t _openFn; // DO NOT invoke this function directly
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__optr_fn_t getNextFn;
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__optr_fn_t cleanupFn; // call this function to release the allocated resources ASAP
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__optr_close_fn_t closeFn;
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__optr_reqBuf_fn_t reqBufFn; // total used buffer for blocking operator
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__optr_encode_fn_t encodeResultRow;
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__optr_decode_fn_t decodeResultRow;
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__optr_explain_fn_t getExplainFn;
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__optr_state_fn_t releaseStreamStateFn;
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__optr_state_fn_t reloadStreamStateFn;
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} SOperatorFpSet;
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enum {
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OP_NOT_OPENED = 0x0,
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OP_OPENED = 0x1,
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OP_RES_TO_RETURN = 0x5,
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OP_EXEC_DONE = 0x9,
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};
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typedef struct SOperatorInfo {
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uint16_t operatorType;
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int16_t resultDataBlockId;
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bool blocking; // block operator or not
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uint8_t status; // denote if current operator is completed
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char* name; // name, for debug purpose
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void* info; // extension attribution
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SExprSupp exprSupp;
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SExecTaskInfo* pTaskInfo;
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SOperatorCostInfo cost;
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SResultInfo resultInfo;
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struct SOperatorInfo** pDownstream; // downstram pointer list
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int32_t numOfDownstream; // number of downstream. The value is always ONE expect for join operator
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SOperatorFpSet fpSet;
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} SOperatorInfo;
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// operator creater functions
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// clang-format off
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SOperatorInfo* createExchangeOperatorInfo(void* pTransporter, SExchangePhysiNode* pExNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createTableScanOperatorInfo(STableScanPhysiNode* pTableScanNode, SReadHandle* pHandle, STableListInfo* pTableList, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createTableMergeScanOperatorInfo(STableScanPhysiNode* pTableScanNode, SReadHandle* readHandle, STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createTagScanOperatorInfo(SReadHandle* pReadHandle, STagScanPhysiNode* pPhyNode, STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createSysTableScanOperatorInfo(void* readHandle, SSystemTableScanPhysiNode* pScanPhyNode, const char* pUser, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createTableCountScanOperatorInfo(SReadHandle* handle, STableCountScanPhysiNode* pNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createAggregateOperatorInfo(SOperatorInfo* downstream, SAggPhysiNode* pNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createIndefinitOutputOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createProjectOperatorInfo(SOperatorInfo* downstream, SProjectPhysiNode* pProjPhyNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createSortOperatorInfo(SOperatorInfo* downstream, SSortPhysiNode* pSortNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createMultiwayMergeOperatorInfo(SOperatorInfo** dowStreams, size_t numStreams, SMergePhysiNode* pMergePhysiNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createCacherowsScanOperator(SLastRowScanPhysiNode* pTableScanNode, SReadHandle* readHandle, STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createIntervalOperatorInfo(SOperatorInfo* downstream, SIntervalPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createMergeIntervalOperatorInfo(SOperatorInfo* downstream, SMergeIntervalPhysiNode* pIntervalPhyNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createMergeAlignedIntervalOperatorInfo(SOperatorInfo* downstream, SMergeAlignedIntervalPhysiNode* pNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createStreamFinalIntervalOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, int32_t numOfChild, SReadHandle* pHandle);
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SOperatorInfo* createSessionAggOperatorInfo(SOperatorInfo* downstream, SSessionWinodwPhysiNode* pSessionNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createGroupOperatorInfo(SOperatorInfo* downstream, SAggPhysiNode* pAggNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createDataBlockInfoScanOperator(SReadHandle* readHandle, SBlockDistScanPhysiNode* pBlockScanNode, STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createStreamScanOperatorInfo(SReadHandle* pHandle, STableScanPhysiNode* pTableScanNode, SNode* pTagCond, STableListInfo* pTableListInfo, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createRawScanOperatorInfo(SReadHandle* pHandle, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createFillOperatorInfo(SOperatorInfo* downstream, SFillPhysiNode* pPhyFillNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createStatewindowOperatorInfo(SOperatorInfo* downstream, SStateWinodwPhysiNode* pStateNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createPartitionOperatorInfo(SOperatorInfo* downstream, SPartitionPhysiNode* pPartNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createStreamPartitionOperatorInfo(SOperatorInfo* downstream, SStreamPartitionPhysiNode* pPartNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createTimeSliceOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createMergeJoinOperatorInfo(SOperatorInfo** pDownstream, int32_t numOfDownstream, SSortMergeJoinPhysiNode* pJoinNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createStreamSessionAggOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, SReadHandle* pHandle);
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SOperatorInfo* createStreamFinalSessionAggOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, int32_t numOfChild, SReadHandle* pHandle);
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SOperatorInfo* createStreamIntervalOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, SReadHandle* pHandle);
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SOperatorInfo* createStreamStateAggOperatorInfo(SOperatorInfo* downstream, SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, SReadHandle* pHandle);
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SOperatorInfo* createStreamFillOperatorInfo(SOperatorInfo* downstream, SStreamFillPhysiNode* pPhyFillNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createGroupSortOperatorInfo(SOperatorInfo* downstream, SGroupSortPhysiNode* pSortPhyNode, SExecTaskInfo* pTaskInfo);
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SOperatorInfo* createEventwindowOperatorInfo(SOperatorInfo* downstream, SPhysiNode* physiNode, SExecTaskInfo* pTaskInfo);
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// clang-format on
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SOperatorFpSet createOperatorFpSet(__optr_open_fn_t openFn, __optr_fn_t nextFn, __optr_fn_t cleanup,
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__optr_close_fn_t closeFn, __optr_reqBuf_fn_t reqBufFn, __optr_explain_fn_t explain);
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void setOperatorStreamStateFn(SOperatorInfo* pOperator, __optr_state_fn_t relaseFn, __optr_state_fn_t reloadFn);
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int32_t optrDummyOpenFn(SOperatorInfo* pOperator);
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int32_t appendDownstream(SOperatorInfo* p, SOperatorInfo** pDownstream, int32_t num);
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void setOperatorCompleted(SOperatorInfo* pOperator);
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void setOperatorInfo(SOperatorInfo* pOperator, const char* name, int32_t type, bool blocking, int32_t status,
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void* pInfo, SExecTaskInfo* pTaskInfo);
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int32_t optrDefaultBufFn(SOperatorInfo* pOperator);
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SOperatorInfo* createOperator(SPhysiNode* pPhyNode, SExecTaskInfo* pTaskInfo, SReadHandle* pHandle, SNode* pTagCond,
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SNode* pTagIndexCond, const char* pUser, const char* dbname);
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void destroyOperator(SOperatorInfo* pOperator);
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SOperatorInfo* extractOperatorInTree(SOperatorInfo* pOperator, int32_t type, const char* id);
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int32_t getTableScanInfo(SOperatorInfo* pOperator, int32_t* order, int32_t* scanFlag, bool inheritUsOrder);
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int32_t stopTableScanOperator(SOperatorInfo* pOperator, const char* pIdStr, SStorageAPI* pAPI);
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int32_t getOperatorExplainExecInfo(struct SOperatorInfo* operatorInfo, SArray* pExecInfoList);
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#ifdef __cplusplus
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}
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#endif
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#endif // TDENGINE_OPERATOR_H
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