63 lines
2.5 KiB
C++
63 lines
2.5 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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namespace doris {
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class StructValue {
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public:
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StructValue() = default;
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explicit StructValue(uint32_t size) : _values(nullptr), _size(size), _has_null(false) {}
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StructValue(void** values, uint32_t size) : _values(values), _size(size), _has_null(false) {}
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StructValue(void** values, uint32_t size, bool has_null)
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: _values(values), _size(size), _has_null(has_null) {}
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//void to_struct_val(StructVal* val) const;
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//static StructValue from_struct_val(const StructVal& val);
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uint32_t size() const { return _size; }
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void set_size(uint32_t size) { _size = size; }
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bool has_null() const { return _has_null; }
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void set_has_null(bool has_null) { _has_null = has_null; }
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bool is_null_at(uint32_t index) const {
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return this->_has_null && this->_values[index] == nullptr;
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}
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void shallow_copy(const StructValue* other);
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const void** values() const { return const_cast<const void**>(_values); }
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void** mutable_values() { return _values; }
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void set_values(void** values) { _values = values; }
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const void* child_value(uint32_t index) const { return _values[index]; }
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void* mutable_child_value(uint32_t index) { return _values[index]; }
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void set_child_value(void* value, uint32_t index) { _values[index] = value; }
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private:
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// pointer to the start of the vector of children pointers. These pointers are
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// point to children values where a null pointer means that this child is NULL.
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void** _values = nullptr;
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// the number of values in this struct value.
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uint32_t _size;
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// child has no null value if has_null is false.
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// child may has null value if has_null is true.
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bool _has_null;
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};
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} // namespace doris
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