be/src/olap/row_cursor_cell.h

// 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

namespace doris {

struct RowCursorCell {
    RowCursorCell(void* ptr) : _ptr(ptr) {}
    RowCursorCell(const void* ptr) : _ptr((void*)ptr) {}
    bool is_null() const { return *reinterpret_cast<bool*>(_ptr); }
    void set_is_null(bool is_null) const { *reinterpret_cast<bool*>(_ptr) = is_null; }
    void set_null() const { *reinterpret_cast<bool*>(_ptr) = true; }
    void set_not_null() const { *reinterpret_cast<bool*>(_ptr) = false; }
    const void* cell_ptr() const { return (char*)_ptr + 1; }
    void* mutable_cell_ptr() const { return (char*)_ptr + 1; }

private:
    void* _ptr = nullptr;
};

} // namespace doris