TDengine/include/server/vnode/meta/impl/metaImpl.h
Hongze Cheng 40d58ce1a2 more
2021-11-02 13:57:16 +08:00

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1.6 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_META_IMPL_H_
#define _TD_META_IMPL_H_
#include "os.h"
#include "taosmsg.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef uint64_t tb_uid_t;
struct SMetaOptions {
size_t lruCacheSize; // LRU cache size
};
typedef enum { META_INIT_TABLE = 0, META_SUPER_TABLE = 1, META_CHILD_TABLE = 2, META_NORMAL_TABLE = 3 } EMetaTableT;
typedef struct SSuperTableOpts {
tb_uid_t uid;
STSchema *pSchema; // (ts timestamp, a int)
STSchema *pTagSchema; // (tag1 binary(10), tag2 int)
} SSuperTableOpts;
typedef struct SChildTableOpts {
tb_uid_t suid; // super table uid
SKVRow tags; // tag value of the child table
} SChildTableOpts;
typedef struct SNormalTableOpts {
STSchema *pSchema;
} SNormalTableOpts;
struct STableOptions {
int8_t type;
char * name;
union {
SSuperTableOpts superOpts;
SChildTableOpts childOpts;
SNormalTableOpts normalOpts;
};
};
#ifdef __cplusplus
}
#endif
#endif /*_TD_META_IMPL_H_*/