homework-jianmu/source/dnode/vnode/tsdb/inc/tsdbMemTable.h

81 lines
2.2 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/>.
*/
#ifndef _TD_TSDB_MEM_TABLE_H_
#define _TD_TSDB_MEM_TABLE_H_
#include "tsdb.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
int rowsInserted;
int rowsUpdated;
int rowsDeleteSucceed;
int rowsDeleteFailed;
int nOperations;
TSKEY keyFirst;
TSKEY keyLast;
} SMergeInfo;
typedef struct STbData {
tb_uid_t uid;
TSKEY keyMin;
TSKEY keyMax;
int64_t nrows;
SSkipList *pData;
} STbData;
typedef struct STsdbMemTable {
T_REF_DECLARE()
SRWLatch latch;
TSKEY keyMin;
TSKEY keyMax;
uint64_t nRow;
SMemAllocator *pMA;
// Container
SSkipList *pSlIdx; // SSkiplist<STbData>
SHashObj * pHashIdx;
} STsdbMemTable;
STsdbMemTable *tsdbNewMemTable(STsdb *pTsdb);
void tsdbFreeMemTable(STsdb *pTsdb, STsdbMemTable *pMemTable);
int tsdbMemTableInsert(STsdb *pTsdb, STsdbMemTable *pMemTable, SSubmitMsg *pMsg, SShellSubmitRsp *pRsp);
int tsdbLoadDataFromCache(STable *pTable, SSkipListIterator *pIter, TSKEY maxKey, int maxRowsToRead, SDataCols *pCols,
TKEY *filterKeys, int nFilterKeys, bool keepDup, SMergeInfo *pMergeInfo);
static FORCE_INLINE SMemRow tsdbNextIterRow(SSkipListIterator *pIter) {
if (pIter == NULL) return NULL;
SSkipListNode *node = tSkipListIterGet(pIter);
if (node == NULL) return NULL;
return (SMemRow)SL_GET_NODE_DATA(node);
}
static FORCE_INLINE TSKEY tsdbNextIterKey(SSkipListIterator *pIter) {
SMemRow row = tsdbNextIterRow(pIter);
if (row == NULL) return TSDB_DATA_TIMESTAMP_NULL;
return memRowKey(row);
}
#ifdef __cplusplus
}
#endif
#endif /*_TD_TSDB_MEM_TABLE_H_*/