homework-jianmu/source/libs/executor/inc/hashjoin.h

117 lines
2.6 KiB
C
Executable File

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TDENGINE_HASHJOIN_H
#define TDENGINE_HASHJOIN_H
#ifdef __cplusplus
extern "C" {
#endif
#define HASH_JOIN_DEFAULT_PAGE_SIZE 10485760
#pragma pack(push, 1)
typedef struct SBufRowInfo {
void* next;
uint16_t pageId;
int32_t offset;
} SBufRowInfo;
#pragma pack(pop)
typedef struct SHJoinCtx {
bool rowRemains;
SBufRowInfo* pBuildRow;
SSDataBlock* pProbeData;
int32_t probeIdx;
} SHJoinCtx;
typedef struct SRowLocation {
SSDataBlock* pDataBlock;
int32_t pos;
} SRowLocation;
typedef struct SHJoinColInfo {
int32_t srcSlot;
int32_t dstSlot;
bool keyCol;
bool vardata;
int32_t* offset;
int32_t bytes;
char* data;
char* bitMap;
} SHJoinColInfo;
typedef struct SBufPageInfo {
int32_t pageSize;
int32_t offset;
char* data;
} SBufPageInfo;
typedef struct SGroupData {
SBufRowInfo* rows;
} SGroupData;
typedef struct SHJoinTableInfo {
int32_t downStreamIdx;
SOperatorInfo* downStream;
int32_t blkId;
SQueryStat inputStat;
int32_t keyNum;
SHJoinColInfo* keyCols;
char* keyBuf;
char* keyData;
int32_t valNum;
SHJoinColInfo* valCols;
char* valData;
int32_t valBitMapSize;
int32_t valBufSize;
SArray* valVarCols;
bool valColExist;
} SHJoinTableInfo;
typedef struct SHJoinExecInfo {
int64_t buildBlkNum;
int64_t buildBlkRows;
int64_t probeBlkNum;
int64_t probeBlkRows;
int64_t resRows;
int64_t expectRows;
} SHJoinExecInfo;
typedef struct SHJoinOperatorInfo {
int32_t joinType;
SHJoinTableInfo tbs[2];
SHJoinTableInfo* pBuild;
SHJoinTableInfo* pProbe;
SSDataBlock* pRes;
int32_t pResColNum;
int8_t* pResColMap;
SArray* pRowBufs;
SNode* pCond;
SSHashObj* pKeyHash;
bool keyHashBuilt;
SHJoinCtx ctx;
SHJoinExecInfo execInfo;
} SHJoinOperatorInfo;
#ifdef __cplusplus
}
#endif
#endif // TDENGINE_HASHJOIN_H