Name
&& — Returns TRUE if A's 2D bounding box intersects B's 2D bounding box.
Synopsis
boolean &&( geometry A , geometry B );
boolean &&( geography A , geography B );
Descrizione
The && operator returns TRUE if the 2D bounding box of geometry A intersects the 2D bounding box of geometry B.
![[Note]](../images/note.png)
|
|
|
This operand will make use of any indexes that may be available on the geometries. |
Miglioramento: nella versione 2.0.0 è stato introdotto il supporto per le superfici poliedriche.
Availability: 1.5.0 support for geography was introduced.
Questo metodo supporta le Curve e le Circular String.
Questa funzione supporta le Polyhedral Surface.
Esempi
SELECT tbl1.column1, tbl2.column1, tbl1.column2 && tbl2.column2 AS overlaps
FROM ( VALUES
(1, 'LINESTRING(0 0, 3 3)'::geometry),
(2, 'LINESTRING(0 1, 0 5)'::geometry)) AS tbl1,
( VALUES
(3, 'LINESTRING(1 2, 4 6)'::geometry)) AS tbl2;
column1 | column1 | overlaps
---------+---------+----------
1 | 3 | t
2 | 3 | f
(2 rows)