110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_TSDB_MEMTABLE_H_
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#define _TD_TSDB_MEMTABLE_H_
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typedef struct {
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int rowsInserted;
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int rowsUpdated;
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int rowsDeleteSucceed;
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int rowsDeleteFailed;
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int nOperations;
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TSKEY keyFirst;
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TSKEY keyLast;
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} SMergeInfo;
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typedef struct {
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STable * pTable;
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SSkipListIterator *pIter;
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} SCommitIter;
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typedef struct {
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uint64_t uid;
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TSKEY keyFirst;
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TSKEY keyLast;
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int64_t numOfRows;
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SSkipList* pData;
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} STableData;
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typedef struct {
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T_REF_DECLARE()
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SRWLatch latch;
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TSKEY keyFirst;
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TSKEY keyLast;
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int64_t numOfRows;
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int32_t maxTables;
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STableData** tData;
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SList* actList;
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SList* extraBuffList;
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SList* bufBlockList;
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int64_t pointsAdd; // TODO
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int64_t storageAdd; // TODO
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} SMemTable;
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enum { TSDB_UPDATE_META, TSDB_DROP_META };
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#ifdef WINDOWS
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#pragma pack(push ,1)
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typedef struct {
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#else
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typedef struct __attribute__((packed)){
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#endif
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char act;
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uint64_t uid;
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} SActObj;
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#ifdef WINDOWS
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#pragma pack(pop)
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#endif
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typedef struct {
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int len;
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char cont[];
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} SActCont;
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int tsdbRefMemTable(STsdbRepo* pRepo, SMemTable* pMemTable);
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int tsdbUnRefMemTable(STsdbRepo* pRepo, SMemTable* pMemTable);
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int tsdbTakeMemSnapshot(STsdbRepo* pRepo, SMemTable** pMem, SMemTable** pIMem);
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void tsdbUnTakeMemSnapShot(STsdbRepo* pRepo, SMemTable* pMem, SMemTable* pIMem);
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void* tsdbAllocBytes(STsdbRepo* pRepo, int bytes);
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int tsdbAsyncCommit(STsdbRepo* pRepo);
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int tsdbLoadDataFromCache(STable* pTable, SSkipListIterator* pIter, TSKEY maxKey, int maxRowsToRead, SDataCols* pCols,
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TKEY* filterKeys, int nFilterKeys, bool keepDup, SMergeInfo* pMergeInfo);
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void* tsdbCommitData(STsdbRepo* pRepo);
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static FORCE_INLINE SDataRow tsdbNextIterRow(SSkipListIterator* pIter) {
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if (pIter == NULL) return NULL;
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SSkipListNode* node = tSkipListIterGet(pIter);
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if (node == NULL) return NULL;
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return (SDataRow)SL_GET_NODE_DATA(node);
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}
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static FORCE_INLINE TSKEY tsdbNextIterKey(SSkipListIterator* pIter) {
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SDataRow row = tsdbNextIterRow(pIter);
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if (row == NULL) return TSDB_DATA_TIMESTAMP_NULL;
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return dataRowKey(row);
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}
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static FORCE_INLINE TKEY tsdbNextIterTKey(SSkipListIterator* pIter) {
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SDataRow row = tsdbNextIterRow(pIter);
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if (row == NULL) return TKEY_NULL;
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return dataRowTKey(row);
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}
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#endif /* _TD_TSDB_MEMTABLE_H_ */ |