text: create virtual table map using rtree_i32(id,minX,maxX,minY,maxY);
  insert into map values(1,0,1,0,1);
  insert into map values(2,3,5,3,5);
  
  select id 
  from map 
  where 2<minX and maxX<6 and 2<minY and maxY<6;
  
  