mirror of
https://github.com/taosdata/TDengine
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83 lines
2.9 KiB
C
83 lines
2.9 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_META_H_
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#define _TD_META_H_
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#include "mallocator.h"
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#include "os.h"
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#include "trow.h"
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#include "tmsg.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// Types exported
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typedef struct SMeta SMeta;
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#define META_SUPER_TABLE 0
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#define META_CHILD_TABLE 1
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#define META_NORMAL_TABLE 2
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typedef struct SMetaCfg {
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/// LRU cache size
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uint64_t lruSize;
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} SMetaCfg;
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typedef SVCreateTbReq STbCfg;
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// SMeta operations
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SMeta *metaOpen(const char *path, const SMetaCfg *pMetaCfg, SMemAllocatorFactory *pMAF);
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void metaClose(SMeta *pMeta);
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void metaRemove(const char *path);
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int metaCreateTable(SMeta *pMeta, STbCfg *pTbCfg);
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int metaDropTable(SMeta *pMeta, tb_uid_t uid);
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int metaCommit(SMeta *pMeta);
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// Options
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void metaOptionsInit(SMetaCfg *pMetaCfg);
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void metaOptionsClear(SMetaCfg *pMetaCfg);
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// STbCfg
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#define META_INIT_STB_CFG(NAME, TTL, KEEP, SUID, PSCHEMA, PTAGSCHEMA) \
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{ \
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.name = (NAME), .ttl = (TTL), .keep = (KEEP), .type = META_SUPER_TABLE, .stbCfg = { \
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.suid = (SUID), \
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.pSchema = (PSCHEMA), \
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.pTagSchema = (PTAGSCHEMA) \
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} \
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}
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#define META_INIT_CTB_CFG(NAME, TTL, KEEP, SUID, PTAG) \
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{ \
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.name = (NAME), .ttl = (TTL), .keep = (KEEP), .type = META_CHILD_TABLE, .ctbCfg = {.suid = (SUID), .pTag = PTAG } \
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}
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#define META_INIT_NTB_CFG(NAME, TTL, KEEP, SUID, PSCHEMA) \
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{ \
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.name = (NAME), .ttl = (TTL), .keep = (KEEP), .type = META_NORMAL_TABLE, .ntbCfg = {.pSchema = (PSCHEMA) } \
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}
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#define META_CLEAR_TB_CFG(pTbCfg)
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int metaEncodeTbCfg(void **pBuf, STbCfg *pTbCfg);
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void *metaDecodeTbCfg(void *pBuf, STbCfg *pTbCfg);
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#ifdef __cplusplus
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}
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#endif
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#endif /*_TD_META_H_*/
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