mirror of
https://gitee.com/milvus-io/milvus.git
synced 2026-01-05 02:12:48 +08:00
99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
// 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.
|
|
|
|
#ifndef ARROW_COMPUTE_KERNELS_CAST_H
|
|
#define ARROW_COMPUTE_KERNELS_CAST_H
|
|
|
|
#include <memory>
|
|
|
|
#include "arrow/status.h"
|
|
#include "arrow/util/visibility.h"
|
|
|
|
namespace arrow {
|
|
|
|
class Array;
|
|
class DataType;
|
|
|
|
namespace compute {
|
|
|
|
struct Datum;
|
|
class FunctionContext;
|
|
class UnaryKernel;
|
|
|
|
struct ARROW_EXPORT CastOptions {
|
|
CastOptions()
|
|
: allow_int_overflow(false),
|
|
allow_time_truncate(false),
|
|
allow_float_truncate(false),
|
|
allow_invalid_utf8(false) {}
|
|
|
|
explicit CastOptions(bool safe)
|
|
: allow_int_overflow(!safe),
|
|
allow_time_truncate(!safe),
|
|
allow_float_truncate(!safe),
|
|
allow_invalid_utf8(!safe) {}
|
|
|
|
static CastOptions Safe() { return CastOptions(true); }
|
|
|
|
static CastOptions Unsafe() { return CastOptions(false); }
|
|
|
|
bool allow_int_overflow;
|
|
bool allow_time_truncate;
|
|
bool allow_float_truncate;
|
|
// Indicate if conversions from Binary/FixedSizeBinary to string must
|
|
// validate the utf8 payload.
|
|
bool allow_invalid_utf8;
|
|
};
|
|
|
|
/// \since 0.7.0
|
|
/// \note API not yet finalized
|
|
ARROW_EXPORT
|
|
Status GetCastFunction(const DataType& in_type, std::shared_ptr<DataType> to_type,
|
|
const CastOptions& options, std::unique_ptr<UnaryKernel>* kernel);
|
|
|
|
/// \brief Cast from one array type to another
|
|
/// \param[in] context the FunctionContext
|
|
/// \param[in] value array to cast
|
|
/// \param[in] to_type type to cast to
|
|
/// \param[in] options casting options
|
|
/// \param[out] out resulting array
|
|
///
|
|
/// \since 0.7.0
|
|
/// \note API not yet finalized
|
|
ARROW_EXPORT
|
|
Status Cast(FunctionContext* context, const Array& value,
|
|
std::shared_ptr<DataType> to_type, const CastOptions& options,
|
|
std::shared_ptr<Array>* out);
|
|
|
|
/// \brief Cast from one value to another
|
|
/// \param[in] context the FunctionContext
|
|
/// \param[in] value datum to cast
|
|
/// \param[in] to_type type to cast to
|
|
/// \param[in] options casting options
|
|
/// \param[out] out resulting datum
|
|
///
|
|
/// \since 0.8.0
|
|
/// \note API not yet finalized
|
|
ARROW_EXPORT
|
|
Status Cast(FunctionContext* context, const Datum& value,
|
|
std::shared_ptr<DataType> to_type, const CastOptions& options, Datum* out);
|
|
|
|
} // namespace compute
|
|
} // namespace arrow
|
|
|
|
#endif // ARROW_COMPUTE_KERNELS_CAST_H
|