homework-jianmu/include/libs/scalar/scalar.h

51 lines
1.4 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 TDENGINE_SCALAR_H
#define TDENGINE_SCALAR_H
#ifdef __cplusplus
extern "C" {
#endif
#include "function.h"
#include "nodes.h"
#include "querynodes.h"
typedef struct SFilterInfo SFilterInfo;
/*
pNode will be freed in API;
*pRes need to freed in caller
*/
int32_t scalarCalculateConstants(SNode *pNode, SNode **pRes);
/*
pDst need to freed in caller
*/
int32_t scalarCalculate(SNode *pNode, SArray *pBlockList, SScalarParam *pDst);
int32_t scalarGetOperatorParamNum(EOperatorType type);
int32_t scalarGenerateSetFromList(void **data, void *pNode, uint32_t type);
int32_t vectorGetConvertType(int32_t type1, int32_t type2);
int32_t vectorConvertImpl(SScalarParam* pIn, SScalarParam* pOut);
#ifdef __cplusplus
}
#endif
#endif // TDENGINE_SCALAR_H