1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#pragma clang system_header
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#pragma once
#include <memory>
#include <vector>
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/compute/cast.h" // IWYU pragma: keep
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/compute/kernel.h" // IWYU pragma: keep
#include "contrib/libs/apache/arrow_next/cpp/src/arrow/compute/kernels/codegen_internal.h" // IWYU pragma: keep
namespace arrow20 {
namespace compute {
namespace internal {
using CastState = OptionsWrapper<CastOptions>;
// Cast functions are _not_ registered in the FunctionRegistry, though they use
// the same execution machinery
class CastFunction : public ScalarFunction {
public:
CastFunction(std::string name, Type::type out_type_id);
Type::type out_type_id() const { return out_type_id_; }
const std::vector<Type::type>& in_type_ids() const { return in_type_ids_; }
Status AddKernel(Type::type in_type_id, std::vector<InputType> in_types,
OutputType out_type, ArrayKernelExec exec,
NullHandling::type = NullHandling::INTERSECTION,
MemAllocation::type = MemAllocation::PREALLOCATE);
// Note, this function toggles off memory allocation and sets the init
// function to CastInit
Status AddKernel(Type::type in_type_id, ScalarKernel kernel);
Result<const Kernel*> DispatchExact(
const std::vector<TypeHolder>& types) const override;
private:
std::vector<Type::type> in_type_ids_;
const Type::type out_type_id_;
};
// See kernels/scalar_cast_*.cc for these
std::vector<std::shared_ptr<CastFunction>> GetBooleanCasts();
std::vector<std::shared_ptr<CastFunction>> GetNumericCasts();
std::vector<std::shared_ptr<CastFunction>> GetTemporalCasts();
std::vector<std::shared_ptr<CastFunction>> GetBinaryLikeCasts();
std::vector<std::shared_ptr<CastFunction>> GetNestedCasts();
std::vector<std::shared_ptr<CastFunction>> GetDictionaryCasts();
std::vector<std::shared_ptr<CastFunction>> GetExtensionCasts();
ARROW_EXPORT
Result<std::shared_ptr<CastFunction>> GetCastFunction(const DataType& to_type);
} // namespace internal
} // namespace compute
} // namespace arrow20
|
