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/*
* Copyright (C) 2008-2019 TrinityCore <https://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "MySQLConnection.h"
#include "QueryHolder.h"
#include "PreparedStatement.h"
#include "Log.h"
#include "QueryResult.h"
bool SQLQueryHolder::SetPreparedQuery(size_t index, PreparedStatement* stmt)
{
if (m_queries.size() <= index)
{
TC_LOG_ERROR("sql.sql", "Query index (%u) out of range (size: %u) for prepared statement", uint32(index), (uint32)m_queries.size());
return false;
}
m_queries[index].first = stmt;
return true;
}
PreparedQueryResult SQLQueryHolder::GetPreparedResult(size_t index)
{
// Don't call to this function if the index is of a prepared statement
if (index < m_queries.size())
return m_queries[index].second;
else
return PreparedQueryResult(nullptr);
}
void SQLQueryHolder::SetPreparedResult(size_t index, PreparedResultSet* result)
{
if (result && !result->GetRowCount())
{
delete result;
result = nullptr;
}
/// store the result in the holder
if (index < m_queries.size())
m_queries[index].second = PreparedQueryResult(result);
}
SQLQueryHolder::~SQLQueryHolder()
{
for (size_t i = 0; i < m_queries.size(); i++)
{
/// if the result was never used, free the resources
/// results used already (getresult called) are expected to be deleted
delete m_queries[i].first;
}
}
void SQLQueryHolder::SetSize(size_t size)
{
/// to optimize push_back, reserve the number of queries about to be executed
m_queries.resize(size);
}
SQLQueryHolderTask::~SQLQueryHolderTask()
{
if (!m_executed)
delete m_holder;
}
bool SQLQueryHolderTask::Execute()
{
m_executed = true;
if (!m_holder)
return false;
/// execute all queries in the holder and pass the results
for (size_t i = 0; i < m_holder->m_queries.size(); ++i)
if (PreparedStatement* stmt = m_holder->m_queries[i].first)
m_holder->SetPreparedResult(i, m_conn->Query(stmt));
m_result.set_value(m_holder);
return true;
}
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