109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
/*
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* This file is a part of morm
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* and is distributed under the 2-Clause BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2019, Tomasz Sowa
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* All rights reserved.
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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,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation 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"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_morm_modeldata
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#define headerfile_morm_modeldata
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namespace morm
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{
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class ModelData
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{
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public:
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ModelData()
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{
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morm_current_max_column = 1;
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}
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virtual ~ModelData()
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{
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}
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PT::TextStream morm_finder_join_tables;
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std::list<std::string> morm_foreign_keys;
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int morm_current_max_column;
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std::map<std::string, int> morm_table_join_map;
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virtual void prepare_to_new_select()
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{
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morm_current_max_column = 1;
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morm_finder_join_tables.clear();
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morm_table_join_map.clear();
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morm_foreign_keys.clear();
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}
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virtual int add_join_table(const std::string & table_name)
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{
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auto res = morm_table_join_map.insert(std::make_pair(table_name, 1));
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if( !res.second )
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{
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res.first->second += 1;
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}
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return res.first->second;
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}
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virtual int find_join_table_index(const std::string & table_name)
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{
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auto iter = morm_table_join_map.find(table_name);
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if( iter != morm_table_join_map.end() )
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{
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return iter->second;
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}
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return 0;
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}
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/*
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* may to add:
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* std::set<std::wstring> skip_columns;
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* and Finder can use this
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* also update and insert from Model
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* (but what about the same name of columns through the whole objects-tree?
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* may we can save the name of the table too?)
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*
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*
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*/
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};
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}
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#endif
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