Docker Build
98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/*
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* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "QueryHolder.h"
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#include "Errors.h"
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#include "Log.h"
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#include "MySQLConnection.h"
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#include "PreparedStatement.h"
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#include "QueryResult.h"
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bool SQLQueryHolderBase::SetPreparedQueryImpl(std::size_t index, PreparedStatementBase* stmt)
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{
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if (m_queries.size() <= index)
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{
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LOG_ERROR("sql.sql", "Query index ({}) out of range (size: {}) for prepared statement", uint32(index), (uint32)m_queries.size());
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return false;
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}
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m_queries[index].first = stmt;
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return true;
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}
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PreparedQueryResult SQLQueryHolderBase::GetPreparedResult(std::size_t index) const
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{
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// Don't call to this function if the index is of a prepared statement
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ASSERT(index < m_queries.size(), "Query holder result index out of range, tried to access index {} but there are only {} results",
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index, m_queries.size());
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return m_queries[index].second;
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}
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void SQLQueryHolderBase::SetPreparedResult(std::size_t index, PreparedResultSet* result)
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{
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if (result && !result->GetRowCount())
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{
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delete result;
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result = nullptr;
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}
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/// store the result in the holder
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if (index < m_queries.size())
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m_queries[index].second = PreparedQueryResult(result);
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}
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SQLQueryHolderBase::~SQLQueryHolderBase()
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{
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for (std::pair<PreparedStatementBase*, PreparedQueryResult>& query : m_queries)
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{
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/// if the result was never used, free the resources
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/// results used already (getresult called) are expected to be deleted
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delete query.first;
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}
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}
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void SQLQueryHolderBase::SetSize(std::size_t size)
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{
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/// to optimize push_back, reserve the number of queries about to be executed
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m_queries.resize(size);
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}
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SQLQueryHolderTask::~SQLQueryHolderTask() = default;
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bool SQLQueryHolderTask::Execute()
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{
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/// execute all queries in the holder and pass the results
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for (std::size_t i = 0; i < m_holder->m_queries.size(); ++i)
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if (PreparedStatementBase* stmt = m_holder->m_queries[i].first)
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m_holder->SetPreparedResult(i, m_conn->Query(stmt));
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m_result.set_value();
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return true;
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}
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bool SQLQueryHolderCallback::InvokeIfReady()
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{
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if (m_future.valid() && m_future.wait_for(std::chrono::seconds(0)) == std::future_status::ready)
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{
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m_callback(*m_holder);
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return true;
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}
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return false;
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}
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