// 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. | |
namespace arrow::extension { | |
/// \brief Bool8 is an alternate representation for boolean | |
/// arrays using 8 bits instead of 1 bit per value. The underlying | |
/// storage type is int8. | |
class ARROW_EXPORT Bool8Array : public ExtensionArray { | |
public: | |
using ExtensionArray::ExtensionArray; | |
}; | |
/// \brief Bool8 is an alternate representation for boolean | |
/// arrays using 8 bits instead of 1 bit per value. The underlying | |
/// storage type is int8. | |
class ARROW_EXPORT Bool8Type : public ExtensionType { | |
public: | |
/// \brief Construct a Bool8Type. | |
Bool8Type() : ExtensionType(int8()) {} | |
std::string extension_name() const override { return "arrow.bool8"; } | |
std::string ToString(bool show_metadata = false) const override; | |
bool ExtensionEquals(const ExtensionType& other) const override; | |
std::string Serialize() const override; | |
Result<std::shared_ptr<DataType>> Deserialize( | |
std::shared_ptr<DataType> storage_type, | |
const std::string& serialized_data) const override; | |
/// Create a Bool8Array from ArrayData | |
std::shared_ptr<Array> MakeArray(std::shared_ptr<ArrayData> data) const override; | |
static Result<std::shared_ptr<DataType>> Make(); | |
}; | |
/// \brief Return a Bool8Type instance. | |
ARROW_EXPORT std::shared_ptr<DataType> bool8(); | |
} // namespace arrow::extension | |