/*
 * Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
 * Copyright (C) 2009-2011 MaNGOSZero <https://github.com/mangos/zero>
 * Copyright (C) 2011-2016 Nostalrius <https://nostalrius.org>
 * Copyright (C) 2016-2017 Elysium Project <https://github.com/elysium-project>
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef DO_POSTGRESQL

#include "DatabaseEnv.h"
#include "Errors.h"

QueryResultMysql::QueryResultMysql(MYSQL_RES *result, MYSQL_FIELD *fields, uint64 rowCount, uint32 fieldCount) :
 QueryResult(rowCount, fieldCount), mResult(result)
{

 mCurrentRow = new Field[mFieldCount];
 MANGOS_ASSERT(mCurrentRow);

 for (uint32 i = 0; i < mFieldCount; i++)
 mCurrentRow[i].SetType(ConvertNativeType(fields[i].type));
}

QueryResultMysql::~QueryResultMysql()
{
 EndQuery();
}

bool QueryResultMysql::NextRow()
{
 MYSQL_ROW row;

 if (!mResult)
 return false;

 row = mysql_fetch_row(mResult);
 if (!row)
 {
 EndQuery();
 return false;
 }

 for (uint32 i = 0; i < mFieldCount; i++)
 mCurrentRow[i].SetValue(row[i]);

 return true;
}

void QueryResultMysql::EndQuery()
{
 if (mCurrentRow)
 {
 delete [] mCurrentRow;
 mCurrentRow = 0;
 }

 if (mResult)
 {
 mysql_free_result(mResult);
 mResult = 0;
 }
}

enum Field::DataTypes QueryResultMysql::ConvertNativeType(enum_field_types mysqlType) const
{
 switch (mysqlType)
 {
 case FIELD_TYPE_TIMESTAMP:
 case FIELD_TYPE_DATE:
 case FIELD_TYPE_TIME:
 case FIELD_TYPE_DATETIME:
 case FIELD_TYPE_YEAR:
 case FIELD_TYPE_STRING:
 case FIELD_TYPE_VAR_STRING:
 case FIELD_TYPE_BLOB:
 case FIELD_TYPE_SET:
 case FIELD_TYPE_NULL:
 return Field::DB_TYPE_STRING;
 case FIELD_TYPE_TINY:
 case FIELD_TYPE_SHORT:
 case FIELD_TYPE_LONG:
 case FIELD_TYPE_INT24:
 case FIELD_TYPE_LONGLONG:
 case FIELD_TYPE_ENUM:
 return Field::DB_TYPE_INTEGER;
 case FIELD_TYPE_DECIMAL:
 case FIELD_TYPE_FLOAT:
 case FIELD_TYPE_DOUBLE:
 return Field::DB_TYPE_FLOAT;
 default:
 return Field::DB_TYPE_UNKNOWN;
 }
}
#endif