55 lines
1.7 KiB
C
55 lines
1.7 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 __INDEX_CACHE_H__
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#define __INDEX_CACHE_H__
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#include "index.h"
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#include "indexInt.h"
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#include "tlockfree.h"
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#include "tskiplist.h"
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// ----------------- key structure in skiplist ---------------------
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/* A data row, the format is like below:
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* content: |<--totalLen-->|<-- fieldid-->|<--field type-->|<-- value len--->|
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* |<-- value -->|<--uid -->|<--version--->|<-- itermType -->|
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* len : |<--int32_t -->|<-- int16_t-->|<-- int8_t --->|<--- int32_t --->|
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* <--valuelen->|<--uint64_t->| * <-- int32_t-->|<-- int8_t --->|
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct IndexCache {
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T_REF_DECLARE()
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SSkipList* skiplist;
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} IndexCache;
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//
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IndexCache* indexCacheCreate();
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void indexCacheDestroy(void* cache);
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int indexCachePut(void* cache, SIndexTerm* term, int16_t colId, int32_t version, uint64_t uid);
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// int indexCacheGet(void *cache, uint64_t *rst);
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int indexCacheSearch(void* cache, SIndexTermQuery* query, int16_t colId, int32_t version, SArray* result, STermValueType* s);
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#ifdef __cplusplus
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}
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#endif
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#endif
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