homework-jianmu/source/dnode/vnode/meta/inc/metaDB.h

45 lines
1.2 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_DB_H_
#define _TD_META_DB_H_
#include "rocksdb/c.h"
#include "sqlite3.h"
#include "meta.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
rocksdb_t *tbDb; // uid -> tb obj
rocksdb_t *nameDb; // name -> uid
rocksdb_t *tagDb; // uid -> tag
rocksdb_t *schemaDb; // uid+version -> schema
sqlite3 * mapDb; // suid -> uid_list
} meta_db_t;
int metaOpenDB(SMeta *pMeta);
void metaCloseDB(SMeta *pMeta);
int metaSaveTableToDB(SMeta *pMeta, const STbCfg *pTbOptions);
int metaRemoveTableFromDb(SMeta *pMeta, tb_uid_t uid);
#ifdef __cplusplus
}
#endif
#endif /*_TD_META_DB_H_*/