arrow/compute/type_fwd.h

0001 // Licensed to the Apache Software Foundation (ASF) under one
0002 // or more contributor license agreements.  See the NOTICE file
0003 // distributed with this work for additional information
0004 // regarding copyright ownership.  The ASF licenses this file
0005 // to you under the Apache License, Version 2.0 (the
0006 // "License"); you may not use this file except in compliance
0007 // with the License.  You may obtain a copy of the License at
0008 //
0009 //   http://www.apache.org/licenses/LICENSE-2.0
0010 //
0011 // Unless required by applicable law or agreed to in writing,
0012 // software distributed under the License is distributed on an
0013 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
0014 // KIND, either express or implied.  See the License for the
0015 // specific language governing permissions and limitations
0016 // under the License.
0017
0018 #pragma once
0019
0020 #include "arrow/util/visibility.h"
0021
0022 namespace arrow {
0023
0024 struct Datum;
0025 struct TypeHolder;
0026
0027 namespace compute {
0028
0029 class Function;
0030 class ScalarAggregateFunction;
0031 class FunctionExecutor;
0032 class FunctionOptions;
0033 class FunctionRegistry;
0034
0035 /// \brief Return the process-global function registry.
0036 // Defined in registry.cc
0037 ARROW_EXPORT FunctionRegistry* GetFunctionRegistry();
0038
0039 class CastOptions;
0040
0041 struct ExecBatch;
0042 class ExecContext;
0043 class KernelContext;
0044
0045 struct Kernel;
0046 struct ScalarKernel;
0047 struct ScalarAggregateKernel;
0048 struct VectorKernel;
0049
0050 struct KernelState;
0051
0052 class Expression;
0053
0054 ARROW_EXPORT ExecContext* default_exec_context();
0055 ARROW_EXPORT ExecContext* threaded_exec_context();
0056
0057 }  // namespace compute
0058 }  // namespace arrow