struct MyFields
{
	VectorMap<String, Value> data;
	SqlId t;
	
	MyFields(const SqlId& table, const VectorMap<String, Value>& map)
	{
		data <<= map;
		t = table;
	}
	
	void FieldLayout(FieldOperator& f)
	{
		f.Table(~t);
		f
			(NAME			, data.Get("NAME"))
			(ADDRESS		, data.Get("ADDRESS"))
			(COUNTRY		, data.Get("COUNTRY"))
			(ZIP			, data.Get("ZIP"))
			(PHONE			, data.Get("PHONE"))
			(FAX			, data.Get("FAX"))
			(CELL			, data.Get("CELL"))
			(LICENSES		, data.Get("LICENSES"))
			(EXPIRATION		, data.Get("EXPIRATION"))
			(ACTIVATIONKEY	, data.Get("ACTIVATIONKEY"))
			(ACTIVATIONSENT	, data.Get("ACTIVATIONSENT"))
			(ACTIVATED		, data.Get("ACTIVATED"));
	}
	
	operator Fields() { return callback(this, &MyFields::FieldLayout); }
};

String eMail = data.Get("EMAIL");

SQL * Select(SqlAll()).From(USERS).Where(EMAIL == eMail);

MyFields fields(USERS, data);
	
if(SQL.Fetch())
{
	SQL * Update(fields).Where(EMAIL == eMail);
}
else
{
	SQL * Insert(fields)
		(EMAIL, eMail);
}