homework-jianmu/source/libs/scalar/inc/sclfunc.h

46 lines
1.3 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_TSCALARFUNCTION_H
#define TDENGINE_TSCALARFUNCTION_H
#ifdef __cplusplus
extern "C" {
#endif
#include "function.h"
#include "scalar.h"
typedef struct SScalarFunctionSupport {
struct SExprInfo *pExprInfo;
int32_t numOfCols;
SColumnInfo *colList;
void *exprList; // client side used
int32_t offset;
char** data;
} SScalarFunctionSupport;
extern struct SScalarFunctionInfo scalarFunc[8];
int32_t evaluateExprNodeTree(tExprNode* pExprs, int32_t numOfRows, SScalarParam* pOutput,
void* param, char* (*getSourceDataBlock)(void*, const char*, int32_t));
#ifdef __cplusplus
}
#endif
#endif // TDENGINE_TSCALARFUNCTION_H