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&&

&&
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Name

&& — Returns TRUE if A's bounding box intersects B's bounding box.

Synopsis

boolean && ( raster A , raster B ) ;

boolean && ( raster A , geometry B ) ;

boolean && ( geometry B , raster A ) ;

Description

The && operator returns TRUE if the bounding box of raster/geometr A intersects the bounding box of raster/geometr B.

[Note]

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

Availability: 2.0.0

Examples 

SELECT A.rid As a_rid, B.rid As b_rid, A.rast && B.rast As intersect
 FROM dummy_rast AS A CROSS JOIN dummy_rast AS B LIMIT 3;

 a_rid | b_rid | intersect
-------+-------+---------
     2 |     2 | t
     2 |     3 | f
     2 |     1 | f
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