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

93 lines
3.2 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 "tsdbFS2.h"
#include "tsdbUtil2.h"
#ifndef _TSDB_STT_FILE_RW_H
#define _TSDB_STT_FILE_RW_H
#ifdef __cplusplus
extern "C" {
#endif
typedef TARRAY2(SSttBlk) TSttBlkArray;
typedef TARRAY2(SStatisBlk) TStatisBlkArray;
typedef struct {
SFDataPtr sttBlkPtr[1];
SFDataPtr statisBlkPtr[1];
SFDataPtr tombBlkPtr[1];
SFDataPtr rsrvd[2];
} SSttFooter;
// SSttFileReader ==========================================
typedef struct SSttFileReader SSttFileReader;
typedef struct SSttFileReaderConfig SSttFileReaderConfig;
typedef TARRAY2(SSttFileReader *) TSttFileReaderArray;
// SSttFileReader
int32_t tsdbSttFileReaderOpen(const char *fname, const SSttFileReaderConfig *config, SSttFileReader **reader);
int32_t tsdbSttFileReaderClose(SSttFileReader **reader);
// SSttSegReader
int32_t tsdbSttFileReadSttBlk(SSttFileReader *reader, const TSttBlkArray **sttBlkArray);
int32_t tsdbSttFileReadStatisBlk(SSttFileReader *reader, const TStatisBlkArray **statisBlkArray);
int32_t tsdbSttFileReadTombBlk(SSttFileReader *reader, const TTombBlkArray **delBlkArray);
int32_t tsdbSttFileReadBlockData(SSttFileReader *reader, const SSttBlk *sttBlk, SBlockData *bData);
int32_t tsdbSttFileReadBlockDataByColumn(SSttFileReader *reader, const SSttBlk *sttBlk, SBlockData *bData,
STSchema *pTSchema, int16_t cids[], int32_t ncid);
int32_t tsdbSttFileReadStatisBlock(SSttFileReader *reader, const SStatisBlk *statisBlk, STbStatisBlock *sData);
int32_t tsdbSttFileReadTombBlock(SSttFileReader *reader, const STombBlk *delBlk, STombBlock *dData);
struct SSttFileReaderConfig {
STsdb *tsdb;
int32_t szPage;
STFile file[1];
uint8_t **bufArr;
};
// SSttFileWriter ==========================================
typedef struct SSttFileWriter SSttFileWriter;
typedef struct SSttFileWriterConfig SSttFileWriterConfig;
int32_t tsdbSttFileWriterOpen(const SSttFileWriterConfig *config, SSttFileWriter **writer);
int32_t tsdbSttFileWriterClose(SSttFileWriter **writer, int8_t abort, TFileOpArray *opArray);
int32_t tsdbSttFileWriteRow(SSttFileWriter *writer, SRowInfo *row);
int32_t tsdbSttFileWriteBlockData(SSttFileWriter *writer, SBlockData *pBlockData);
int32_t tsdbSttFileWriteTombRecord(SSttFileWriter *writer, const STombRecord *record);
bool tsdbSttFileWriterIsOpened(SSttFileWriter *writer);
struct SSttFileWriterConfig {
STsdb *tsdb;
int32_t maxRow;
int32_t szPage;
int8_t cmprAlg;
int64_t compactVersion;
SDiskID did;
int32_t fid;
int64_t cid;
int32_t level;
SSkmInfo *skmTb;
SSkmInfo *skmRow;
uint8_t **bufArr;
};
#ifdef __cplusplus
}
#endif
#endif /*_TSDB_STT_FILE_RW_H*/