public <T> Collection<T> mapMany(ResultSet resultSet, RowMapper<T> mapper) throws Throwable {
Collection<T> ret = new ArrayList<>();
while (resultSet.next()) {
ret.add(mapper.apply(resultSet).getOrElseThrow(Function.identity()));
}
return ret;
}
public <T> T map(ResultSet resultSet, RowMapper<T> mapper) throws Throwable {
resultSet.next();
return mapper.apply(resultSet).getOrElseThrow(Function.identity());
}
