* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
*
* openGauss is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
*
* http://license.coscl.org.cn/MulanPSL2
*
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
* -------------------------------------------------------------------------
*
* ml_model.h
*
* IDENTIFICATION
* src/include/optimizer/ml_model.h
*
* DESCRIPTION
* Declaration of externel APIs of Code/src/backend/utils/learn/ml_model.cpp
*
* -------------------------------------------------------------------------
*/
#ifndef ML_MODEL_H
#define ML_MODEL_H
#include "postgres.h"
#include "nodes/execnodes.h"
#include "nodes/plannodes.h"
#include "optimizer/learn.h"
extern Form_gs_opt_model CheckModelTargets(const char* templateName, const char* modelName, char** labels, int* nLabel);
extern void ModelPredictForExplain(PlanState* root, char* fileName, const char* modelName);
extern char* PreModelPredict(PlanState* resultPlan, PlannedStmt* pstmt);
extern void SetNullPrediction(PlanState* resultPlan);
extern bool PredictorIsValid(const char* modelName);
#endif