96 lines
2.2 KiB
C
Executable File
96 lines
2.2 KiB
C
Executable File
/*
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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_HASHJOIN_H
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#define TDENGINE_HASHJOIN_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct SHJoinRowCtx {
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bool rowRemains;
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int64_t ts;
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SArray* leftRowLocations;
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SArray* leftCreatedBlocks;
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SArray* rightCreatedBlocks;
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int32_t leftRowIdx;
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int32_t rightRowIdx;
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bool rightUseBuildTable;
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SArray* rightRowLocations;
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} SHJoinRowCtx;
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typedef struct SRowLocation {
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SSDataBlock* pDataBlock;
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int32_t pos;
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} SRowLocation;
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typedef struct SColBufInfo {
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int32_t slotId;
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bool vardata;
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int32_t* offset;
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int32_t bytes;
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char* data;
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} SColBufInfo;
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typedef struct SJoinTableInfo {
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int32_t keyNum;
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SColBufInfo* keyCols;
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char* keyBuf;
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int32_t valNum;
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SColBufInfo* valCols;
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char* valBuf;
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} SJoinTableInfo;
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typedef struct SHJoinOperatorInfo {
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SSDataBlock* pRes;
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int32_t joinType;
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SJoinTableInfo tbs[2];
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SJoinTableInfo* pBuild;
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SJoinTableInfo* pProbe;
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int32_t pLeftKeyNum;
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SColBufInfo* pLeftKeyInfo;
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char* pLeftKeyBuf;
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int32_t pLeftValNum;
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SColBufInfo* pLeftValInfo;
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char* pLeftValBuf;
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int32_t pRightKeyNum;
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SColBufInfo* pRightKeyInfo;
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char* pRightKeyBuf;
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int32_t pRightValNum;
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SColBufInfo* pRightValInfo;
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char* pRightValBuf;
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SNode* pCondAfterJoin;
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SSHashObj* pKeyHash;
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SQueryStat inputStat[2];
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SHJoinRowCtx rowCtx;
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} SHJoinOperatorInfo;
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static SSDataBlock* doHashJoin(struct SOperatorInfo* pOperator);
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static void destroyHashJoinOperator(void* param);
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#ifdef __cplusplus
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}
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#endif
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#endif // TDENGINE_HASHJOIN_H
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