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105 lines
2.6 KiB
C++
105 lines
2.6 KiB
C++
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2025 NKI/AVL, Netherlands Cancer Institute
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "cif++/datablock.hpp"
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#include "cif++/item.hpp"
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#include "cif++/row.hpp"
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// --------------------------------------------------------------------
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namespace cif::cql
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{
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class result;
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class row;
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class transaction;
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// --------------------------------------------------------------------
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class field
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{
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public:
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/** Return the contents of this item as type @tparam T */
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template <typename T = std::string>
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auto as() const -> T
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{
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return m_item.as<T>();
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}
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/** Return the contents of this item as type @tparam T or, if not
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* set, use @a dv as the default value.
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*/
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template <typename T>
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auto value_or(const T &dv) const
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{
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return m_item.value_or(dv);
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}
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private:
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cif::item_handle m_item;
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};
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// --------------------------------------------------------------------
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class row
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{
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public:
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};
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// --------------------------------------------------------------------
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class result
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{
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public:
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row &one_row();
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private:
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friend class transaction;
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result();
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};
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// --------------------------------------------------------------------
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class transaction
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{
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public:
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transaction(const datablock &db);
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result exec(std::string_view query);
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};
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} |