TDengine/include/server/vnode/meta/meta.h
2021-10-09 10:09:34 +08:00

62 lines
1.8 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_H_
#define _TD_META_H_
#include "taosmsg.h"
#include "os.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef uint64_t tuid_t;
// Types exported
typedef struct SMeta SMeta;
typedef struct SMetaOptions SMetaOptions;
typedef struct SMetaQueryHandle SMetaQueryHandle;
typedef struct SMetaQueryOptions SMetaQueryOptions;
// SMeta operations
int metaCreate(const char *path);
int metaDestroy(const char *path);
SMeta *metaOpen(SMetaOptions *);
void metaClose(SMeta *);
int metaCreateTable(SMeta *, void *);
int metaDropTable(SMeta *, uint64_t tuid_t);
int metaAlterTable(SMeta *, void *);
int metaCommit(SMeta *);
// Options
SMetaOptions *metaOptionsCreate();
void metaOptionsDestroy(SMetaOptions *);
void metaOptionsSetCache(SMetaOptions *, size_t capacity);
// SMetaQueryHandle
SMetaQueryHandle *metaQueryHandleCreate(SMetaQueryOptions *);
void metaQueryHandleDestroy(SMetaQueryHandle *);
// SMetaQueryOptions
SMetaQueryOptions *metaQueryOptionsCreate();
void metaQueryOptionsDestroy(SMetaQueryOptions *);
#ifdef __cplusplus
}
#endif
#endif /*_TD_META_H_*/