homework-jianmu/source/dnode/vnode/src/tsdb/dev/inc/tsdbSttFReaderWriter.h

77 lines
2.7 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/>.
*/
#ifndef _TSDB_STT_FILE_WRITER_H
#define _TSDB_STT_FILE_WRITER_H
#include "tsdbFS.h"
#ifdef __cplusplus
extern "C" {
#endif
// SSttFReader ==========================================
typedef struct SSttFSegReader SSttFSegReader;
typedef struct SSttFileReader SSttFileReader;
typedef struct SSttFileReaderConfig SSttFileReaderConfig;
// SSttFileReader
int32_t tsdbSttFReaderOpen(const SSttFileReaderConfig *config, SSttFileReader **ppReader);
int32_t tsdbSttFReaderClose(SSttFileReader **ppReader);
// SSttFSegReader
int32_t tsdbSttFSegReaderOpen(SSttFileReader *pReader, SSttFSegReader **ppSegReader, int32_t nSegment);
int32_t tsdbSttFSegReaderClose(SSttFSegReader **ppSegReader);
int32_t tsdbSttFSegReadBloomFilter(SSttFSegReader *pSegReader, const void *pFilter);
int32_t tsdbSttFSegReadStatisBlk(SSttFSegReader *pSegReader, const SArray *pStatis);
int32_t tsdbSttFSegReadDelBlk(SSttFSegReader *pSegReader, const SArray *pDelBlk);
int32_t tsdbSttFSegReadSttBlk(SSttFSegReader *pSegReader, const SArray *pSttBlk);
int32_t tsdbSttFSegReadStatisBlock(SSttFSegReader *pSegReader, const void *pBlock);
int32_t tsdbSttFSegReadDelBlock(SSttFSegReader *pSegReader, const void *pBlock);
int32_t tsdbSttFSegReadSttBlock(SSttFSegReader *pSegReader, const void *pBlock);
struct SSttFileReaderConfig {
STsdb *pTsdb;
SSkmInfo *pSkmTb;
SSkmInfo *pSkmRow;
uint8_t **aBuf;
// TODO
};
// SSttFWriter ==========================================
typedef struct SSttFileWriter SSttFileWriter;
typedef struct SSttFileWriterConfig SSttFileWriterConfig;
int32_t tsdbSttFWriterOpen(const SSttFileWriterConfig *config, SSttFileWriter **ppWriter);
int32_t tsdbSttFWriterClose(SSttFileWriter **ppWriter, int8_t abort, struct STFileOp *op);
int32_t tsdbSttFWriteTSData(SSttFileWriter *pWriter, TABLEID *tbid, TSDBROW *pRow);
int32_t tsdbSttFWriteDLData(SSttFileWriter *pWriter, TABLEID *tbid, SDelData *pDelData);
struct SSttFileWriterConfig {
STsdb *pTsdb;
int32_t maxRow;
int32_t szPage;
int8_t cmprAlg;
SSkmInfo *pSkmTb;
SSkmInfo *pSkmRow;
uint8_t **aBuf;
STFile file;
};
#ifdef __cplusplus
}
#endif
#endif /*_TSDB_STT_FILE_WRITER_H*/