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

134 lines
7.4 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;
int32_t scalarGetOperatorResultType(SOperatorNode *pOp);
/*
pNode will be freed in API;
*pRes need to freed in caller
*/
int32_t scalarCalculateConstants(SNode *pNode, SNode **pRes);
int32_t scalarCalculateConstantsFromDual(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 vectorConvertSingleColImpl(const SScalarParam *pIn, SScalarParam *pOut, int32_t *overflow, int32_t startIndex, int32_t numOfRows);
/* Math functions */
int32_t absFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t logFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t powFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t sqrtFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t sinFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t cosFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t tanFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t asinFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t acosFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t atanFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t ceilFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t floorFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t roundFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
/* String functions */
int32_t lengthFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t charLengthFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t concatFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t concatWsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t lowerFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t upperFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t ltrimFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t rtrimFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t substrFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
/* Conversion functions */
int32_t castFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
/* Time related functions */
int32_t toISO8601Function(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t toUnixtimestampFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t toJsonFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t timeTruncateFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t timeDiffFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t nowFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t todayFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t timezoneFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
bool getTimePseudoFuncEnv(struct SFunctionNode *pFunc, SFuncExecEnv *pEnv);
int32_t winStartTsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t winEndTsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t winDurFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t qStartTsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t qEndTsFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t qTbnameFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t qTbUidFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t qVgIdFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
/* Aggregation functions */
int32_t countScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t sumScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t minScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t maxScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t avgScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t stddevScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t leastSQRScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t percentileScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t apercentileScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t spreadScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t derivativeScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t irateScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t twaScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t mavgScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t hllScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t csumScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t diffScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t stateCountScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t stateDurationScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t histogramScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t topBotScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t firstLastScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t sampleScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t tailScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t uniqueScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
int32_t modeScalarFunction(SScalarParam *pInput, int32_t inputNum, SScalarParam *pOutput);
#ifdef __cplusplus
}
#endif
#endif // TDENGINE_SCALAR_H