>> — Returns TRUE if A's bounding box is strictly to the right of B's.
boolean >>( geometry A , geometry B );
The >> operator returns TRUE if the bounding box of geometry A is strictly to the right of the bounding box of geometry B.
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This operand will make use of any indexes that may be available on the geometries. |
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)