homework-jianmu/source/dnode/vnode/src/tsdb/tsdbDataFileRW.h

104 lines
3.5 KiB
C

/*
* 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/>.
*/
#include "tsdbDef.h"
#include "tsdbFSet2.h"
#include "tsdbSttFileRW.h"
#include "tsdbUtil2.h"
#ifndef _TSDB_DATA_FILE_RW_H
#define _TSDB_DATA_FILE_RW_H
#ifdef __cplusplus
extern "C" {
#endif
typedef TARRAY2(SBlockIdx) TBlockIdxArray;
typedef TARRAY2(SDataBlk) TDataBlkArray;
typedef TARRAY2(SColumnDataAgg) TColumnDataAggArray;
typedef struct {
SFDataPtr brinBlkPtr[1];
SFDataPtr rsrvd[2];
} SHeadFooter;
typedef struct {
SFDataPtr tombBlkPtr[1];
SFDataPtr rsrvd[2];
} STombFooter;
// SDataFileReader =============================================
typedef struct SDataFileReader SDataFileReader;
typedef struct SDataFileReaderConfig {
STsdb *tsdb;
int32_t szPage;
struct {
bool exist;
STFile file;
} files[TSDB_FTYPE_MAX];
uint8_t **bufArr;
} SDataFileReaderConfig;
int32_t tsdbDataFileReaderOpen(const char *fname[/* TSDB_FTYPE_MAX */], const SDataFileReaderConfig *config,
SDataFileReader **reader);
int32_t tsdbDataFileReaderClose(SDataFileReader **reader);
// .head
int32_t tsdbDataFileReadBrinBlk(SDataFileReader *reader, const TBrinBlkArray **brinBlkArray);
int32_t tsdbDataFileReadBrinBlock(SDataFileReader *reader, const SBrinBlk *brinBlk, SBrinBlock *brinBlock);
// .data
int32_t tsdbDataFileReadBlockData(SDataFileReader *reader, const SBrinRecord *record, SBlockData *bData);
int32_t tsdbDataFileReadBlockDataByColumn(SDataFileReader *reader, const SBrinRecord *record, SBlockData *bData,
STSchema *pTSchema, int16_t cids[], int32_t ncid);
// .sma
int32_t tsdbDataFileReadBlockSma(SDataFileReader *reader, const SBrinRecord *record,
TColumnDataAggArray *columnDataAggArray);
// .tomb
int32_t tsdbDataFileReadTombBlk(SDataFileReader *reader, const TTombBlkArray **tombBlkArray);
int32_t tsdbDataFileReadTombBlock(SDataFileReader *reader, const STombBlk *tombBlk, STombBlock *tData);
// SDataFileWriter =============================================
typedef struct SDataFileWriter SDataFileWriter;
typedef struct SDataFileWriterConfig {
STsdb *tsdb;
int8_t cmprAlg;
int32_t maxRow;
int32_t szPage;
int32_t fid;
int64_t cid;
SDiskID did;
int64_t compactVersion;
struct {
bool exist;
STFile file;
} files[TSDB_FTYPE_MAX];
SSkmInfo *skmTb;
SSkmInfo *skmRow;
uint8_t **bufArr;
} SDataFileWriterConfig;
int32_t tsdbDataFileWriterOpen(const SDataFileWriterConfig *config, SDataFileWriter **writer);
int32_t tsdbDataFileWriterClose(SDataFileWriter **writer, bool abort, TFileOpArray *opArr);
int32_t tsdbDataFileWriteRow(SDataFileWriter *writer, SRowInfo *row);
int32_t tsdbDataFileWriteBlockData(SDataFileWriter *writer, SBlockData *bData);
int32_t tsdbDataFileFlush(SDataFileWriter *writer);
int32_t tsdbDataFileWriteTombRecord(SDataFileWriter *writer, const STombRecord *record);
#ifdef __cplusplus
}
#endif
#endif /*_TSDB_DATA_FILE_RW_H*/