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71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#pragma once
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#include <memory>
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#include "arrow/util/visibility.h"
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namespace arrow {
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class Array;
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class DataType;
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class Status;
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namespace compute {
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struct Datum;
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class FunctionContext;
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class AggregateFunction;
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/// \brief Return a Sum Kernel
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///
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/// \param[in] type required to specialize the kernel
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/// \param[in] context the FunctionContext
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///
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/// \since 0.13.0
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/// \note API not yet finalized
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ARROW_EXPORT
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std::shared_ptr<AggregateFunction> MakeSumAggregateFunction(const DataType& type,
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FunctionContext* context);
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/// \brief Sum values of a numeric array.
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///
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/// \param[in] context the FunctionContext
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/// \param[in] value datum to sum, expecting Array or ChunkedArray
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/// \param[out] out resulting datum
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///
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/// \since 0.13.0
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/// \note API not yet finalized
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ARROW_EXPORT
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Status Sum(FunctionContext* context, const Datum& value, Datum* out);
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/// \brief Sum values of a numeric array.
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///
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/// \param[in] context the FunctionContext
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/// \param[in] array to sum
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/// \param[out] out resulting datum
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///
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/// \since 0.13.0
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/// \note API not yet finalized
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ARROW_EXPORT
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Status Sum(FunctionContext* context, const Array& array, Datum* out);
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} // namespace compute
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} // namespace arrow
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