79 lines
1.9 KiB
C
Executable File
79 lines
1.9 KiB
C
Executable File
/*
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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 TDENGINE_GROUPCACHE_H
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#define TDENGINE_GROUPCACHE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GROUP_CACHE_DEFAULT_PAGE_SIZE 10485760
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#pragma pack(push, 1)
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typedef struct SGcBlkBufInfo {
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void* next;
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uint16_t pageId;
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int32_t offset;
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} SGcBlkBufInfo;
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#pragma pack(pop)
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typedef struct SGcBufPageInfo {
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int32_t pageSize;
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int32_t offset;
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char* data;
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} SGcBufPageInfo;
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typedef struct SGroupData {
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SGcBlkBufInfo* blks;
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} SGroupData;
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typedef struct SGroupColInfo {
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int32_t slot;
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bool vardata;
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int32_t bytes;
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} SGroupColInfo;
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typedef struct SGroupColsInfo {
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int32_t colNum;
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bool withNull;
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SGroupColInfo* pColsInfo;
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int32_t bitMapSize;
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int32_t bufSize;
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char* pBuf;
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char* pData;
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} SGroupColsInfo;
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typedef struct SGcSessionCtx {
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int32_t downstreamIdx;
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bool cacheHit;
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bool needCache;
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SGcBlkBufInfo* pLastBlk;
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} SGcSessionCtx;
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typedef struct SGroupCacheOperatorInfo {
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SSHashObj* pSessionHash;
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SGroupColsInfo groupColsInfo;
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SArray* pBlkBufs;
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SSHashObj* pBlkHash;
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int64_t pCurrentId;
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SGcSessionCtx* pCurrent;
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} SGroupCacheOperatorInfo;
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#ifdef __cplusplus
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}
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#endif
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#endif // TDENGINE_GROUPCACHE_H
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