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90 lines
2.3 KiB
90 lines
2.3 KiB
/*
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* Copyright (c) 2010-2013 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "database.h"
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#include "mysql.h"
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boost::recursive_mutex DBQuery::databaseLock;
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DatabasePtr Database::m_instance = nullptr;
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DatabasePtr Database::getInstance()
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{
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if(!m_instance)
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m_instance = (DatabasePtr)DatabaseMySQLPtr(new DatabaseMySQL());
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m_instance->use();
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return m_instance;
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}
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DBResultPtr Database::verifyResult(DBResultPtr result)
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{
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if(result->next())
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return result;
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result->free();
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return nullptr;
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}
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void DBInsert::setQuery(const std::string& query)
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{
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m_query = query;
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m_buf = "";
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m_rows = 0;
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}
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bool DBInsert::addRow(const std::string& row)
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{
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++m_rows;
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if(m_buf.empty()) {
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m_buf = "(" + row + ")";
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}
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else if(m_buf.length() > 8192)
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{
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if(!execute())
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return false;
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m_buf = "(" + row + ")";
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}
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else
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m_buf += ",(" + row + ")";
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return true;
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}
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bool DBInsert::addRow(std::stringstream& row)
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{
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bool ret = addRow(row.str());
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row.str("");
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return ret;
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}
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bool DBInsert::execute()
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{
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if(m_buf.empty() || !m_rows)
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return true;
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m_rows = 0;
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bool ret = m_db->executeQuery(m_query + m_buf);
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m_buf = "";
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return ret;
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}
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