Descrizione

The >> operator returns TRUE if the bounding box of geometry A is strictly to the right of the bounding box of geometry B.

	This operand will make use of any indexes that may be available on the geometries.

Esempi

SELECT tbl1.column1, tbl2.column1, tbl1.column2 
>
> tbl2.column2 AS right
FROM
  ( VALUES
        (1, 'LINESTRING (2 3, 5 6)'::geometry)) AS tbl1,
  ( VALUES
        (2, 'LINESTRING (1 4, 1 7)'::geometry),
        (3, 'LINESTRING (6 1, 6 5)'::geometry),
        (4, 'LINESTRING (0 0, 4 3)'::geometry)) AS tbl2;

 column1 | column1 | right
---------+---------+-------
           1 |       2 | t
           1 |       3 | f
           1 |       4 | f
(3 rows)

Si veda anche

<<, |>>, <<|