94 lines
2.1 KiB
C
94 lines
2.1 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 TDENGINE_TSCHEMAUTIL_H
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#define TDENGINE_TSCHEMAUTIL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "taosmsg.h"
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#include "tsclient.h"
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#include "ttoken.h"
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/**
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* get the number of tags of this table
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* @param pTableMeta
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* @return
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*/
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int32_t tscGetNumOfTags(const STableMeta* pTableMeta);
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/**
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* get the number of columns of this table
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* @param pTableMeta
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* @return
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*/
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int32_t tscGetNumOfColumns(const STableMeta* pTableMeta);
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/**
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* get the basic info of this table
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* @param pTableMeta
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* @return
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*/
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STableComInfo tscGetTableInfo(const STableMeta* pTableMeta);
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/**
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* get the schema
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* @param pTableMeta
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* @return
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*/
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SSchema* tscGetTableSchema(const STableMeta* pTableMeta);
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/**
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* get the tag schema
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* @param pMeta
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* @return
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*/
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SSchema *tscGetTableTagSchema(const STableMeta *pMeta);
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/**
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* get the column schema according to the column index
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* @param pMeta
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* @param colIndex
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* @return
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*/
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SSchema *tscGetTableColumnSchema(const STableMeta *pMeta, int32_t colIndex);
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/**
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* get the column schema according to the column id
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* @param pTableMeta
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* @param colId
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* @return
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*/
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SSchema* tscGetColumnSchemaById(STableMeta* pTableMeta, int16_t colId);
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/**
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* create the table meta from the msg
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* @param pTableMetaMsg
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* @param size size of the table meta
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* @return
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*/
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STableMeta* tscCreateTableMetaFromMsg(STableMetaMsg* pTableMetaMsg);
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bool vgroupInfoIdentical(SNewVgroupInfo *pExisted, SVgroupMsg* src);
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SNewVgroupInfo createNewVgroupInfo(SVgroupMsg *pVgroupMsg);
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#ifdef __cplusplus
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}
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#endif
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#endif // TDENGINE_TSCHEMAUTIL_H
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