public MySqlBulkLoader(MySqlConnection connection)
{
Connection = connection;
Local = true;
FieldTerminator = defaultFieldTerminator;
LineTerminator = defaultLineTerminator;
FieldQuotationCharacter = Char.MinValue;
ConflictOption = MySqlBulkLoaderConflictOption.None;
columns = new List<string>();
expressions = new List<string>();
}