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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 "PreparedStatement.h"
#include "Errors.h"
#include "MySQLConnection.h"
#include "MySQLPreparedStatement.h"
#include "QueryResult.h"
#include "Log.h"
#include "MySQLWorkaround.h"
PreparedStatement::PreparedStatement(uint32 index, uint8 capacity) :
m_stmt(nullptr), m_index(index), statement_data(capacity) { }
PreparedStatement::~PreparedStatement() { }
void PreparedStatement::BindParameters(MySQLPreparedStatement* stmt)
{
ASSERT(stmt);
m_stmt = stmt;
uint8 i = 0;
for (; i < statement_data.size(); i++)
{
switch (statement_data[i].type)
{
case TYPE_BOOL:
stmt->setBool(i, statement_data[i].data.boolean);
break;
case TYPE_UI8:
stmt->setUInt8(i, statement_data[i].data.ui8);
break;
case TYPE_UI16:
stmt->setUInt16(i, statement_data[i].data.ui16);
break;
case TYPE_UI32:
stmt->setUInt32(i, statement_data[i].data.ui32);
break;
case TYPE_I8:
stmt->setInt8(i, statement_data[i].data.i8);
break;
case TYPE_I16:
stmt->setInt16(i, statement_data[i].data.i16);
break;
case TYPE_I32:
stmt->setInt32(i, statement_data[i].data.i32);
break;
case TYPE_UI64:
stmt->setUInt64(i, statement_data[i].data.ui64);
break;
case TYPE_I64:
stmt->setInt64(i, statement_data[i].data.i64);
break;
case TYPE_FLOAT:
stmt->setFloat(i, statement_data[i].data.f);
break;
case TYPE_DOUBLE:
stmt->setDouble(i, statement_data[i].data.d);
break;
case TYPE_STRING:
stmt->setBinary(i, statement_data[i].binary, true);
break;
case TYPE_BINARY:
stmt->setBinary(i, statement_data[i].binary, false);
break;
case TYPE_NULL:
stmt->setNull(i);
break;
}
}
#ifdef _DEBUG
if (i < stmt->m_paramCount)
TC_LOG_WARN("sql.sql", "[WARNING]: BindParameters() for statement %u did not bind all allocated parameters", m_index);
#endif
}
//- Bind to buffer
void PreparedStatement::setBool(const uint8 index, const bool value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.boolean = value;
statement_data[index].type = TYPE_BOOL;
}
void PreparedStatement::setUInt8(const uint8 index, const uint8 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.ui8 = value;
statement_data[index].type = TYPE_UI8;
}
void PreparedStatement::setUInt16(const uint8 index, const uint16 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.ui16 = value;
statement_data[index].type = TYPE_UI16;
}
void PreparedStatement::setUInt32(const uint8 index, const uint32 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.ui32 = value;
statement_data[index].type = TYPE_UI32;
}
void PreparedStatement::setUInt64(const uint8 index, const uint64 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.ui64 = value;
statement_data[index].type = TYPE_UI64;
}
void PreparedStatement::setInt8(const uint8 index, const int8 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.i8 = value;
statement_data[index].type = TYPE_I8;
}
void PreparedStatement::setInt16(const uint8 index, const int16 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.i16 = value;
statement_data[index].type = TYPE_I16;
}
void PreparedStatement::setInt32(const uint8 index, const int32 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.i32 = value;
statement_data[index].type = TYPE_I32;
}
void PreparedStatement::setInt64(const uint8 index, const int64 value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.i64 = value;
statement_data[index].type = TYPE_I64;
}
void PreparedStatement::setFloat(const uint8 index, const float value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.f = value;
statement_data[index].type = TYPE_FLOAT;
}
void PreparedStatement::setDouble(const uint8 index, const double value)
{
ASSERT(index < statement_data.size());
statement_data[index].data.d = value;
statement_data[index].type = TYPE_DOUBLE;
}
void PreparedStatement::setString(const uint8 index, const std::string& value)
{
ASSERT(index < statement_data.size());
statement_data[index].binary.resize(value.length() + 1);
memcpy(statement_data[index].binary.data(), value.c_str(), value.length() + 1);
statement_data[index].type = TYPE_STRING;
}
void PreparedStatement::setBinary(const uint8 index, const std::vector<uint8>& value)
{
ASSERT(index < statement_data.size());
statement_data[index].binary = value;
statement_data[index].type = TYPE_BINARY;
}
void PreparedStatement::setNull(const uint8 index)
{
ASSERT(index < statement_data.size());
statement_data[index].type = TYPE_NULL;
}
//- Execution
PreparedStatementTask::PreparedStatementTask(PreparedStatement* stmt, bool async) :
m_stmt(stmt), m_result(nullptr)
{
m_has_result = async; // If it's async, then there's a result
if (async)
m_result = new PreparedQueryResultPromise();
}
PreparedStatementTask::~PreparedStatementTask()
{
delete m_stmt;
if (m_has_result && m_result != nullptr)
delete m_result;
}
bool PreparedStatementTask::Execute()
{
if (m_has_result)
{
PreparedResultSet* result = m_conn->Query(m_stmt);
if (!result || !result->GetRowCount())
{
delete result;
m_result->set_value(PreparedQueryResult(nullptr));
return false;
}
m_result->set_value(PreparedQueryResult(result));
return true;
}
return m_conn->Execute(m_stmt);
}
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