&&&
Name
   &&& — Returns
   
    TRUE
   
   if A's n-D bounding box intersects B's n-D bounding box.
  
Synopsis
    
     boolean
     
      &&&
     
     (
    
    geometry
    
     A
    
    , 
				  geometry
    
     B
    
    
     )
    
    ;
   
Description
   The
   
    &&&
   
   operator returns
   
    TRUE
   
   if the n-D bounding box of geometry A intersects the n-D bounding box of geometry B.
  
       
      | 
     |
| 
       This operand will make use of any indexes that may be available on the geometries.  | 
    
Availability: 2.0.0
   
    
   
   This method supports Circular Strings and Curves
  
   
    
   
   This function supports Polyhedral surfaces.
  
   
    
   
   This function supports Triangles and Triangulated Irregular Network Surfaces (TIN).
  
   
    
   
   This function supports 3d and will not drop the z-index.
  
Examples: 3D LineStrings
SELECT tbl1.column1, tbl2.column1, tbl1.column2 &&& tbl2.column2 AS overlaps_3d,
			            tbl1.column2 && tbl2.column2 AS overlaps_2d
FROM ( VALUES
	(1, 'LINESTRING Z(0 0 1, 3 3 2)'::geometry),
	(2, 'LINESTRING Z(1 2 0, 0 5 -1)'::geometry)) AS tbl1,
( VALUES
	(3, 'LINESTRING Z(1 2 1, 4 6 1)'::geometry)) AS tbl2;
 column1 | column1 | overlaps_3d | overlaps_2d
---------+---------+-------------+-------------
       1 |       3 | t           | t
       2 |       3 | f           | t
 Examples: 3M LineStrings
SELECT tbl1.column1, tbl2.column1, tbl1.column2 &&& tbl2.column2 AS overlaps_3zm,
			            tbl1.column2 && tbl2.column2 AS overlaps_2d
FROM ( VALUES
	(1, 'LINESTRING M(0 0 1, 3 3 2)'::geometry),
	(2, 'LINESTRING M(1 2 0, 0 5 -1)'::geometry)) AS tbl1,
( VALUES
	(3, 'LINESTRING M(1 2 1, 4 6 1)'::geometry)) AS tbl2;
 column1 | column1 | overlaps_3zm | overlaps_2d
---------+---------+-------------+-------------
       1 |       3 | t           | t
       2 |       3 | f           | t