mirror of
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95 lines
2.7 KiB
C++
95 lines
2.7 KiB
C++
/*
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* Copyright (C) 2008-2017 TrinityCore <http://www.trinitycore.org/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* 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 "MySQLConnection.h"
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#include "QueryHolder.h"
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#include "PreparedStatement.h"
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#include "Log.h"
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#include "QueryResult.h"
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bool SQLQueryHolder::SetPreparedQuery(size_t index, PreparedStatement* stmt)
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{
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if (m_queries.size() <= index)
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{
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TC_LOG_ERROR("sql.sql", "Query index (%u) out of range (size: %u) 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 SQLQueryHolder::GetPreparedResult(size_t index)
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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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if (index < m_queries.size())
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return m_queries[index].second;
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else
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return PreparedQueryResult(nullptr);
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}
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void SQLQueryHolder::SetPreparedResult(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 = NULL;
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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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SQLQueryHolder::~SQLQueryHolder()
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{
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for (size_t i = 0; i < m_queries.size(); i++)
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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 m_queries[i].first;
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}
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}
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void SQLQueryHolder::SetSize(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()
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{
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if (!m_executed)
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delete m_holder;
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}
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bool SQLQueryHolderTask::Execute()
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{
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m_executed = true;
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if (!m_holder)
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return false;
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/// execute all queries in the holder and pass the results
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for (size_t i = 0; i < m_holder->m_queries.size(); i++)
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if (PreparedStatement* 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(m_holder);
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return true;
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}
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