2018-03-13 23:22:17 +01:00
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/*
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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) 2018, 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_finder
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#define headerfile_morm_finder
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2018-03-30 21:34:45 +02:00
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#include <vector>
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2018-04-16 01:00:17 +02:00
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#include <list>
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2018-04-18 19:52:09 +02:00
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#include <set>
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2018-03-30 21:34:45 +02:00
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#include "model.h"
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#include "textstream/textstream.h"
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#include "dbconnector.h"
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#include "modelconnector.h"
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2018-03-13 23:22:17 +01:00
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namespace morm
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{
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2018-03-30 21:34:45 +02:00
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template<typename ModelClass>
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class Finder
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{
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public:
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Finder()
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{
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model_connector = nullptr;
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out_stream = nullptr;
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db_expression = nullptr;
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2018-04-22 03:26:46 +02:00
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was_query_error = false;
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2018-04-22 23:04:50 +02:00
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model_data = nullptr;
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2018-03-30 21:34:45 +02:00
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}
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2018-04-22 03:26:46 +02:00
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Finder(PT::TextStream & out_stream)
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{
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this->out_stream = &out_stream;
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this->model_connector = nullptr;
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db_expression = nullptr;
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was_query_error = false;
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2018-04-22 23:04:50 +02:00
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model_data = nullptr;
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2018-04-22 03:26:46 +02:00
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}
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2018-03-30 21:34:45 +02:00
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Finder(ModelConnector & model_connector)
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{
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this->model_connector = &model_connector;
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out_stream = nullptr;
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db_expression = nullptr;
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2018-04-22 03:26:46 +02:00
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was_query_error = false;
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2018-04-22 23:04:50 +02:00
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model_data = nullptr;
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2018-03-30 21:34:45 +02:00
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}
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2018-04-22 03:26:46 +02:00
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Finder(ModelConnector * model_connector)
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{
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this->model_connector = model_connector;
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out_stream = nullptr;
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db_expression = nullptr;
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was_query_error = false;
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2018-04-22 23:04:50 +02:00
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model_data = nullptr;
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2018-04-22 03:26:46 +02:00
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}
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2018-03-30 21:34:45 +02:00
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Finder(PT::TextStream & out_stream, ModelConnector & model_connector)
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{
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this->out_stream = &out_stream;
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2018-04-16 01:00:17 +02:00
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this->model_connector = &model_connector;
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2018-03-30 21:34:45 +02:00
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db_expression = nullptr;
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2018-04-22 03:26:46 +02:00
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was_query_error = false;
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2018-04-22 23:04:50 +02:00
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model_data = nullptr;
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2018-03-30 21:34:45 +02:00
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}
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2018-04-22 03:26:46 +02:00
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Finder(PT::TextStream & out_stream, ModelConnector * model_connector)
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2018-03-30 21:34:45 +02:00
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{
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2018-04-22 03:26:46 +02:00
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this->out_stream = &out_stream;
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this->model_connector = model_connector;
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db_expression = nullptr;
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was_query_error = false;
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2018-04-22 23:04:50 +02:00
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model_data = nullptr;
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2018-03-30 21:34:45 +02:00
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}
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2018-04-22 03:26:46 +02:00
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bool was_error()
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2018-03-30 21:34:45 +02:00
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{
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2018-04-22 03:26:46 +02:00
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return was_query_error;
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2018-03-30 21:34:45 +02:00
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}
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2018-04-22 03:26:46 +02:00
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std::wstring get_error_msg()
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{
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return last_query_error;
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}
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2018-03-30 21:34:45 +02:00
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2018-04-16 01:00:17 +02:00
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2018-05-02 01:22:32 +02:00
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Finder<ModelClass> & prefix(const wchar_t * prefix)
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2018-04-22 03:26:46 +02:00
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{
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2018-05-02 01:22:32 +02:00
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column_prefix = prefix;
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return *this;
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2018-04-22 03:26:46 +02:00
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}
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2018-04-16 01:00:17 +02:00
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2018-04-22 03:26:46 +02:00
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Finder<ModelClass> & prepare_to_select()
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2018-03-30 21:34:45 +02:00
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{
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2018-04-22 03:26:46 +02:00
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was_query_error = false;
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last_query_error.clear();
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2018-04-22 23:04:50 +02:00
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model_data = nullptr;
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2018-05-02 01:22:32 +02:00
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column_prefix.clear();
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2018-04-22 03:26:46 +02:00
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2018-03-30 21:34:45 +02:00
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if( model_connector )
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{
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2018-04-16 01:00:17 +02:00
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if( !out_stream )
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2018-03-30 21:34:45 +02:00
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{
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out_stream = model_connector->get_stream();
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}
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2018-04-16 01:00:17 +02:00
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if( out_stream )
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{
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set_db_expression();
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2018-03-30 21:34:45 +02:00
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2018-04-16 01:00:17 +02:00
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out_stream->clear();
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2018-04-22 03:26:46 +02:00
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model.set_connector(model_connector);
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2018-04-16 01:00:17 +02:00
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}
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2018-04-22 03:26:46 +02:00
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else
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{
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was_query_error = true;
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last_query_error = L"out stream object is required";
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}
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}
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else
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{
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was_query_error = true;
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last_query_error = L"model connector object is required";
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2018-03-30 21:34:45 +02:00
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}
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return *this;
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}
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2018-05-02 01:22:32 +02:00
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Finder<ModelClass> & select(ModelConnector & model_connector)
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{
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this->model_connector = &model_connector;
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return select();
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}
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Finder<ModelClass> & select(ModelConnector * model_connector)
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{
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this->model_connector = model_connector;
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return select();
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}
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Finder<ModelClass> & select(PT::TextStream & out_stream, ModelConnector & model_connector)
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{
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this->out_stream = &out_stream;
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this->model_connector = &model_connector;
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return select();
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}
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Finder<ModelClass> & select(PT::TextStream & out_stream, ModelConnector * model_connector)
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{
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this->out_stream = &out_stream;
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this->model_connector = model_connector;
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return select();
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}
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2018-03-30 21:34:45 +02:00
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2018-04-22 23:04:50 +02:00
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Finder<ModelClass> & select(bool call_prepare = true)
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2018-03-30 21:34:45 +02:00
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{
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2018-04-22 23:04:50 +02:00
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if( call_prepare )
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{
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prepare_to_select();
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}
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2018-03-30 21:34:45 +02:00
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2018-04-22 03:26:46 +02:00
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if( model_connector && out_stream )
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{
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(*out_stream) << "SELECT ";
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2018-07-04 13:34:49 +02:00
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model.generate_select_columns(*out_stream, column_prefix);
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2018-04-22 03:26:46 +02:00
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(*out_stream) << " FROM ";
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model.table_name(*out_stream);
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2018-05-02 01:22:32 +02:00
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if( !column_prefix.empty() )
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(*out_stream) << " AS " << column_prefix; // what about escaping?
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2018-04-22 03:26:46 +02:00
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(*out_stream) << " ";
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}
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2018-03-30 21:34:45 +02:00
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2018-04-22 03:26:46 +02:00
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return *this;
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2018-03-30 21:34:45 +02:00
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}
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2018-04-23 21:02:38 +02:00
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Finder<ModelClass> & select(Model::ModelData * model_data, bool call_prepare = true)
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2018-04-22 23:04:50 +02:00
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{
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2018-04-23 21:02:38 +02:00
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if( call_prepare )
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{
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prepare_to_select();
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}
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2018-04-22 23:04:50 +02:00
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this->model_data = model_data;
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return select(false);
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}
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2018-03-30 21:34:45 +02:00
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2018-04-23 21:02:38 +02:00
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Finder<ModelClass> & select(Model::ModelData & model_data, bool call_prepare = true)
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2018-04-22 23:04:50 +02:00
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{
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2018-04-23 21:02:38 +02:00
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if( call_prepare )
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{
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prepare_to_select();
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}
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2018-04-22 23:04:50 +02:00
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this->model_data = &model_data;
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return select(false);
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}
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2018-04-22 03:26:46 +02:00
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2018-03-30 21:34:45 +02:00
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Finder<ModelClass> & where()
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{
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if( out_stream && db_expression )
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{
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(*out_stream) << " WHERE ";
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db_expression->prepare_to_where_clause();
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}
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return *this;
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}
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Finder<ModelClass> & group_or()
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{
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2018-04-16 01:00:17 +02:00
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if( db_expression && out_stream )
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2018-03-30 21:34:45 +02:00
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{
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2018-04-16 01:00:17 +02:00
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db_expression->group_or(*out_stream);
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2018-03-30 21:34:45 +02:00
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}
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return *this;
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}
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Finder<ModelClass> & group_and()
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{
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2018-04-16 01:00:17 +02:00
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if( db_expression && out_stream )
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2018-03-30 21:34:45 +02:00
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{
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2018-04-16 01:00:17 +02:00
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db_expression->group_and(*out_stream);
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2018-03-30 21:34:45 +02:00
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}
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return *this;
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}
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Finder<ModelClass> & group_end()
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{
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2018-04-16 01:00:17 +02:00
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if( db_expression && out_stream )
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2018-03-30 21:34:45 +02:00
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{
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2018-04-16 01:00:17 +02:00
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db_expression->group_end(*out_stream);
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2018-03-30 21:34:45 +02:00
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}
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return *this;
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}
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template<typename FieldValue>
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Finder<ModelClass> & eq(const wchar_t * field_name, const FieldValue & field_value)
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{
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if( db_expression )
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{
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db_expression->set_output_type(MORM_OUTPUT_TYPE_WHERE_EQ);
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2018-04-22 23:04:50 +02:00
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db_expression->field_to_stream(*out_stream, field_name, field_value, false, false, false);
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2018-03-30 21:34:45 +02:00
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}
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return *this;
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}
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template<typename FieldValue>
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Finder<ModelClass> & lt(const wchar_t * field_name, const FieldValue & field_value)
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{
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if( db_expression )
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{
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db_expression->set_output_type(MORM_OUTPUT_TYPE_WHERE_LT);
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2018-04-22 23:04:50 +02:00
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db_expression->field_to_stream(*out_stream, field_name, field_value, false, false, false);
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2018-03-30 21:34:45 +02:00
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}
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return *this;
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}
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template<typename FieldValue>
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Finder<ModelClass> & gt(const wchar_t * field_name, const FieldValue & field_value)
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{
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if( db_expression )
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{
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db_expression->set_output_type(MORM_OUTPUT_TYPE_WHERE_GT);
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2018-04-22 23:04:50 +02:00
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db_expression->field_to_stream(*out_stream, field_name, field_value, false, false, false);
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2018-03-30 21:34:45 +02:00
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}
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return *this;
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}
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template<typename FieldValue>
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Finder<ModelClass> & le(const wchar_t * field_name, const FieldValue & field_value)
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{
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if( db_expression )
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{
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db_expression->set_output_type(MORM_OUTPUT_TYPE_WHERE_LE);
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2018-04-22 23:04:50 +02:00
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db_expression->field_to_stream(*out_stream, field_name, field_value, false, false, false);
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2018-03-30 21:34:45 +02:00
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}
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2018-03-13 23:22:17 +01:00
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2018-03-30 21:34:45 +02:00
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return *this;
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}
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2018-03-13 23:22:17 +01:00
|
|
|
|
|
|
|
|
2018-03-30 21:34:45 +02:00
|
|
|
template<typename FieldValue>
|
|
|
|
Finder<ModelClass> & ge(const wchar_t * field_name, const FieldValue & field_value)
|
|
|
|
{
|
|
|
|
if( db_expression )
|
|
|
|
{
|
|
|
|
db_expression->set_output_type(MORM_OUTPUT_TYPE_WHERE_GE);
|
2018-04-22 23:04:50 +02:00
|
|
|
db_expression->field_to_stream(*out_stream, field_name, field_value, false, false, false);
|
2018-03-30 21:34:45 +02:00
|
|
|
}
|
2018-03-13 23:22:17 +01:00
|
|
|
|
2018-03-30 21:34:45 +02:00
|
|
|
return *this;
|
|
|
|
}
|
2018-03-13 23:22:17 +01:00
|
|
|
|
|
|
|
|
2018-04-18 19:52:09 +02:00
|
|
|
|
|
|
|
template<typename FieldValue>
|
|
|
|
Finder<ModelClass> & in(const wchar_t * field_name, const std::set<FieldValue> & container)
|
|
|
|
{
|
|
|
|
if( db_expression )
|
|
|
|
{
|
|
|
|
db_expression->set_output_type(MORM_OUTPUT_TYPE_WHERE_IN);
|
|
|
|
db_expression->field_in(*out_stream, field_name, container);
|
|
|
|
}
|
|
|
|
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
template<typename FieldValue>
|
|
|
|
Finder<ModelClass> & in(const wchar_t * field_name, const std::list<FieldValue> & container)
|
|
|
|
{
|
|
|
|
if( db_expression )
|
|
|
|
{
|
|
|
|
db_expression->set_output_type(MORM_OUTPUT_TYPE_WHERE_IN);
|
|
|
|
db_expression->field_in(*out_stream, field_name, container);
|
|
|
|
}
|
|
|
|
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
template<typename FieldValue>
|
|
|
|
Finder<ModelClass> & in(const wchar_t * field_name, const std::vector<FieldValue> & container)
|
|
|
|
{
|
|
|
|
if( db_expression )
|
|
|
|
{
|
|
|
|
db_expression->set_output_type(MORM_OUTPUT_TYPE_WHERE_IN);
|
|
|
|
db_expression->field_in(*out_stream, field_name, container);
|
|
|
|
}
|
|
|
|
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
2018-04-22 23:04:50 +02:00
|
|
|
Finder<ModelClass> & page(size_t page_number, size_t page_size)
|
|
|
|
{
|
|
|
|
if( out_stream && db_expression )
|
|
|
|
{
|
|
|
|
db_expression->page(*out_stream, page_number, page_size);
|
|
|
|
}
|
|
|
|
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Finder<ModelClass> & raw(const char * sql, bool add_spaces = true)
|
2018-04-18 19:52:09 +02:00
|
|
|
{
|
|
|
|
if( out_stream )
|
|
|
|
{
|
2018-04-22 23:04:50 +02:00
|
|
|
if( add_spaces )
|
|
|
|
(*out_stream) << ' ';
|
|
|
|
|
|
|
|
(*out_stream) << sql;
|
|
|
|
|
|
|
|
if( add_spaces )
|
|
|
|
(*out_stream) << ' ';
|
2018-04-18 19:52:09 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2018-05-02 01:22:32 +02:00
|
|
|
Finder<ModelClass> & raw(long val, bool add_spaces = true)
|
|
|
|
{
|
|
|
|
if( out_stream )
|
|
|
|
{
|
|
|
|
if( add_spaces )
|
|
|
|
(*out_stream) << ' ';
|
|
|
|
|
|
|
|
(*out_stream) << val;
|
|
|
|
|
|
|
|
if( add_spaces )
|
|
|
|
(*out_stream) << ' ';
|
|
|
|
}
|
|
|
|
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2018-04-17 00:46:25 +02:00
|
|
|
bool get(ModelClass & result)
|
2018-04-16 01:00:17 +02:00
|
|
|
{
|
2018-04-17 00:46:25 +02:00
|
|
|
bool res = false;
|
2018-04-26 20:58:31 +02:00
|
|
|
result.set_connector(model_connector);
|
|
|
|
result.clear();
|
2018-04-16 01:00:17 +02:00
|
|
|
|
|
|
|
if( model_connector && out_stream )
|
|
|
|
{
|
|
|
|
DbConnector * db_connector = model_connector->get_db_connector();
|
|
|
|
|
|
|
|
if( db_connector )
|
|
|
|
{
|
2018-04-18 12:22:01 +02:00
|
|
|
try
|
2018-04-16 01:00:17 +02:00
|
|
|
{
|
2018-04-22 23:04:50 +02:00
|
|
|
result.model_data = model_data;
|
2018-04-22 03:26:46 +02:00
|
|
|
result.before_select();
|
|
|
|
res = db_connector->query_select(*out_stream);
|
|
|
|
|
2018-04-18 12:22:01 +02:00
|
|
|
if( res )
|
|
|
|
{
|
2018-04-23 21:02:38 +02:00
|
|
|
if( db_connector->last_select_size() == 1 )
|
|
|
|
{
|
|
|
|
result.set_save_mode(Model::DO_UPDATE_ON_SAVE); // IMPROVE ME check if there is a primary key
|
2018-07-04 13:34:49 +02:00
|
|
|
result.map_values_from_query();
|
2018-04-23 21:02:38 +02:00
|
|
|
result.after_select();
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
res = false;
|
|
|
|
// log some error or throw an exception if there are more items than one?
|
|
|
|
}
|
2018-04-18 12:22:01 +02:00
|
|
|
}
|
2018-04-22 03:26:46 +02:00
|
|
|
else
|
2018-04-18 12:22:01 +02:00
|
|
|
{
|
2018-04-22 03:26:46 +02:00
|
|
|
result.after_select_failure();
|
2018-04-18 12:22:01 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
catch(...)
|
2018-04-16 01:00:17 +02:00
|
|
|
{
|
2018-04-23 21:02:38 +02:00
|
|
|
res = false;
|
2018-04-18 12:22:01 +02:00
|
|
|
// throw something?
|
|
|
|
// if yes then make sure to call db_connector->clear_last_query_result();
|
2018-04-16 01:00:17 +02:00
|
|
|
}
|
2018-04-18 12:22:01 +02:00
|
|
|
|
2018-10-24 18:28:19 +02:00
|
|
|
result.model_data = nullptr;
|
2018-04-18 12:22:01 +02:00
|
|
|
db_connector->clear_last_query_result();
|
2018-04-17 00:46:25 +02:00
|
|
|
}
|
|
|
|
}
|
2018-04-16 01:00:17 +02:00
|
|
|
|
2018-04-17 00:46:25 +02:00
|
|
|
return res;
|
|
|
|
}
|
2018-04-16 01:00:17 +02:00
|
|
|
|
|
|
|
|
2018-04-17 00:46:25 +02:00
|
|
|
ModelClass get()
|
|
|
|
{
|
|
|
|
get(model);
|
|
|
|
return model;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool get_list(std::list<ModelClass> & result, bool clear_list = true)
|
|
|
|
{
|
|
|
|
bool res = false;
|
2018-04-16 01:00:17 +02:00
|
|
|
|
2018-04-17 00:46:25 +02:00
|
|
|
if( clear_list )
|
|
|
|
{
|
|
|
|
result.clear();
|
|
|
|
}
|
|
|
|
|
|
|
|
if( model_connector && out_stream )
|
|
|
|
{
|
|
|
|
DbConnector * db_connector = model_connector->get_db_connector();
|
|
|
|
|
|
|
|
if( db_connector )
|
|
|
|
{
|
|
|
|
res = db_connector->query_select(*out_stream);
|
|
|
|
|
2018-04-18 12:22:01 +02:00
|
|
|
try
|
2018-04-17 00:46:25 +02:00
|
|
|
{
|
2018-04-18 12:22:01 +02:00
|
|
|
if( res )
|
|
|
|
{
|
|
|
|
size_t len = db_connector->last_select_size();
|
|
|
|
db_connector->set_current_row_at_beginning();
|
|
|
|
|
|
|
|
for(size_t i = 0 ; i < len ; ++i)
|
|
|
|
{
|
2018-04-22 03:26:46 +02:00
|
|
|
result.emplace_back(); // it returns a reference from c++17
|
|
|
|
ModelClass & added_model = result.back();
|
|
|
|
|
2018-10-24 18:28:19 +02:00
|
|
|
try
|
|
|
|
{
|
|
|
|
added_model.set_connector(model_connector);
|
|
|
|
added_model.clear();
|
|
|
|
added_model.set_save_mode(Model::DO_UPDATE_ON_SAVE); // IMPROVE ME check if there is a primary key
|
|
|
|
added_model.model_data = model_data;
|
|
|
|
added_model.before_select();
|
|
|
|
added_model.map_values_from_query();
|
|
|
|
added_model.after_select();
|
|
|
|
}
|
|
|
|
catch(...)
|
|
|
|
{
|
|
|
|
res = false;
|
|
|
|
// throw or something?
|
|
|
|
// make sure to call db_connector->clear_last_query_result()
|
|
|
|
}
|
|
|
|
|
|
|
|
added_model.model_data = nullptr;
|
2018-04-18 12:22:01 +02:00
|
|
|
db_connector->advance_current_row();
|
|
|
|
}
|
2018-04-17 00:46:25 +02:00
|
|
|
|
2018-04-22 03:26:46 +02:00
|
|
|
// if there was a failure we do not call after_select_failure()
|
|
|
|
// because there are no any objects in the list
|
|
|
|
}
|
|
|
|
else
|
2018-04-17 00:46:25 +02:00
|
|
|
{
|
2018-04-22 03:26:46 +02:00
|
|
|
// log
|
2018-04-17 00:46:25 +02:00
|
|
|
}
|
|
|
|
}
|
2018-04-18 12:22:01 +02:00
|
|
|
catch(...)
|
2018-04-17 00:46:25 +02:00
|
|
|
{
|
2018-04-23 21:02:38 +02:00
|
|
|
res = false;
|
2018-04-18 12:22:01 +02:00
|
|
|
// throw or something?
|
|
|
|
// make sure to call db_connector->clear_last_query_result()
|
2018-04-17 00:46:25 +02:00
|
|
|
}
|
2018-04-18 12:22:01 +02:00
|
|
|
|
|
|
|
db_connector->clear_last_query_result();
|
2018-04-16 01:00:17 +02:00
|
|
|
}
|
|
|
|
}
|
2018-04-17 00:46:25 +02:00
|
|
|
|
|
|
|
return res;
|
2018-04-16 01:00:17 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
std::list<ModelClass> get_list()
|
|
|
|
{
|
|
|
|
std::list<ModelClass> result;
|
2018-04-17 00:46:25 +02:00
|
|
|
get_list(result, false);
|
2018-04-22 03:26:46 +02:00
|
|
|
return std::move(result);
|
2018-04-16 01:00:17 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2018-03-30 21:34:45 +02:00
|
|
|
private:
|
2018-03-13 23:22:17 +01:00
|
|
|
|
|
|
|
|
2018-03-30 21:34:45 +02:00
|
|
|
PT::TextStream * out_stream;
|
|
|
|
ModelConnector * model_connector;
|
|
|
|
DbExpression * db_expression;
|
|
|
|
ModelClass model;
|
2018-04-22 03:26:46 +02:00
|
|
|
bool was_query_error;
|
|
|
|
std::wstring last_query_error;
|
2018-04-22 23:04:50 +02:00
|
|
|
Model::ModelData * model_data;
|
2018-05-02 01:22:32 +02:00
|
|
|
std::wstring column_prefix;
|
|
|
|
|
|
|
|
|
2018-03-13 23:22:17 +01:00
|
|
|
|
2018-03-30 21:34:45 +02:00
|
|
|
void set_db_expression()
|
|
|
|
{
|
|
|
|
if( model_connector )
|
|
|
|
{
|
|
|
|
DbConnector * db_connector = model_connector->get_db_connector();
|
2018-03-13 23:22:17 +01:00
|
|
|
|
2018-03-30 21:34:45 +02:00
|
|
|
if( db_connector )
|
|
|
|
{
|
|
|
|
db_expression = db_connector->get_expression();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2018-03-13 23:22:17 +01:00
|
|
|
|
|
|
|
|
2018-03-30 21:34:45 +02:00
|
|
|
};
|
2018-03-13 23:22:17 +01:00
|
|
|
|
|
|
|
} // namespace
|
|
|
|
|
|
|
|
#endif
|