63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
/*
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* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
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*
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* openGauss is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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*
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* http://license.coscl.org.cn/MulanPSL2
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*
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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* ---------------------------------------------------------------------------------------
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*
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* vecplainagg.h
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* plain agg class and class member declare.
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*
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* IDENTIFICATION
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* src/include/vecexecutor/vecplainagg.h
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*
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* ---------------------------------------------------------------------------------------
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*/
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#ifndef VECPLAINAGG_H
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#define VECPLAINAGG_H
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#include "vecexecutor/vecagg.h"
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class PlainAggRunner : public BaseAggRunner {
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public:
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VectorBatch* Run();
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PlainAggRunner(VecAggState* runtime);
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~PlainAggRunner(){};
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void Build()
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{}
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VectorBatch* Probe()
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{
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return NULL;
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}
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bool ResetNecessary(VecAggState* node);
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void endPlainAgg();
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private:
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/* Plain aggregation without group by.*/
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template <bool hasDistinct>
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VectorBatch* RunPlain();
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void BindingFp();
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VectorBatch* (PlainAggRunner::*plainAggregation)();
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template <bool hasDistinct>
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void buildPlaintAgg(VectorBatch* outerBatch, bool first_batch);
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};
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#endif /* VECPLAINAGG_H */
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