odb boost::optional query::in_range bug

example.cpp

#include <vector>
#include <odb/core.hxx>

#include "object-odb.hxx"

int main(int argc, char* argv[])
{
	odb::query<object> query;
	std::vector<decltype(object::is_ok)> values{ true, false, boost::none };

	odb::query<object>::is_ok.in_range(values.cbegin(), values.cend());
	//^ error C2665: 'odb::mssql::val_bind<T>::val_bind' : none of the 2 overloads could convert all the argument types	"q.append<T, ID> (val_bind<T> (*i, prec_, scale_), conversion_);"
	return 0;
}

object.h

#ifndef OBJECT_H
#define OBJECT_H

#include <boost/optional.hpp>
#include <odb/core.hxx>
#include <odb/nullable.hxx>

#pragma db object 
	struct object
	{
#pragma db id auto
		long id;

		boost::optional<bool> is_ok;
	};

#endif