homework-jianmu/include/common/tname.h

93 lines
2.5 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_COMMON_NAME_H_
#define _TD_COMMON_NAME_H_
#include "tarray.h"
#include "tdef.h"
#ifdef __cplusplus
extern "C" {
#endif
#define TSDB_DB_NAME_T 1
#define TSDB_TABLE_NAME_T 2
#define T_NAME_ACCT 0x1u
#define T_NAME_DB 0x2u
#define T_NAME_TABLE 0x4u
typedef struct SName {
uint8_t type; // db_name_t, table_name_t
int32_t acctId;
char dbname[TSDB_DB_NAME_LEN];
char tname[TSDB_TABLE_NAME_LEN];
} SName;
void toName(int32_t acctId, const char* pDbName, const char* pTableName, SName* pName);
int32_t tNameExtractFullName(const SName* name, char* dst);
int32_t tNameLen(const SName* name);
SName* tNameDup(const SName* name);
bool tNameIsValid(const SName* name);
const char* tNameGetTableName(const SName* name);
int32_t tNameGetDbName(const SName* name, char* dst);
const char* tNameGetDbNameP(const SName* name);
int32_t tNameGetFullDbName(const SName* name, char* dst);
int32_t tNameGetFullTableName(const SName* name, char* dst);
bool tNameIsEmpty(const SName* name);
void tNameAssign(SName* dst, const SName* src);
int32_t tNameSetDbName(SName* dst, int32_t acctId, const char* dbName, size_t nameLen);
int32_t tNameAddTbName(SName* dst, const char* tbName, size_t nameLen);
int32_t tNameFromString(SName* dst, const char* str, uint32_t type);
int32_t tNameSetAcctId(SName* dst, int32_t acctId);
bool tNameDBNameEqual(SName* left, SName* right);
bool tNameTbNameEqual(SName* left, SName* right);
typedef struct {
// input
SArray* tags; // element is SSmlKv
const char* stbFullName; // super table name
uint8_t stbFullNameLen; // the length of super table name
// output
char* ctbShortName; // must have size of TSDB_TABLE_NAME_LEN;
// uint64_t uid; // child table uid, may be useful
} RandTableName;
int32_t buildChildTableName(RandTableName* rName);
#ifdef __cplusplus
}
#endif
#endif /*_TD_COMMON_NAME_H_*/