e412dd12e8
Currently, there are some useless includes in the codebase. We can use a tool named include-what-you-use to optimize these includes. By using a strict include-what-you-use policy, we can get lots of benefits from it.
81 lines
2.8 KiB
C++
81 lines
2.8 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 <stdint.h>
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#include <functional>
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#include <utility>
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namespace doris {
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using MemFootprint = std::pair<int64_t, uint8_t*>;
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using GenMemFootprintFunc = std::function<MemFootprint(int64_t size)>;
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/**
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* The format of array-typed slot.
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* A new array needs to be initialized before using it.
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*/
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class CollectionValue {
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public:
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CollectionValue() = default;
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explicit CollectionValue(uint64_t length)
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: _data(nullptr), _length(length), _has_null(false), _null_signs(nullptr) {}
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CollectionValue(void* data, uint64_t length)
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: _data(data), _length(length), _has_null(false), _null_signs(nullptr) {}
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CollectionValue(void* data, uint64_t length, bool* null_signs)
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: _data(data), _length(length), _has_null(true), _null_signs(null_signs) {}
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CollectionValue(void* data, uint64_t length, bool has_null, bool* null_signs)
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: _data(data), _length(length), _has_null(has_null), _null_signs(null_signs) {}
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bool is_null_at(uint64_t index) const { return this->_has_null && this->_null_signs[index]; }
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uint64_t size() const { return _length; }
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uint64_t length() const { return _length; }
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void shallow_copy(const CollectionValue* other);
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void copy_null_signs(const CollectionValue* other);
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const void* data() const { return _data; }
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bool has_null() const { return _has_null; }
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const bool* null_signs() const { return _null_signs; }
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void* mutable_data() { return _data; }
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bool* mutable_null_signs() { return _null_signs; }
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void set_length(uint64_t length) { _length = length; }
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void set_has_null(bool has_null) { _has_null = has_null; }
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void set_data(void* data) { _data = data; }
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void set_null_signs(bool* null_signs) { _null_signs = null_signs; }
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private:
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// child column data
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void* _data;
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uint64_t _length;
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// item has no null value if has_null is false.
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// item ```may``` has null value if has_null is true.
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bool _has_null;
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// null bitmap
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bool* _null_signs;
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};
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} // namespace doris
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