~(box2df,geometry) — Returns TRUE if a 2D float precision bounding box (BOX2DF) contains a geometry's 2D bonding box.
boolean ~(
				  box2df 
				  A
				, 
				  geometry 
				  B
				);
The ~ operator returns TRUE if the 2D bounding box A contains the B geometry's bounding box, using float precision. This means that if A is a (double precision) box2d, it will be internally converted to a float precision 2D bounding box (BOX2DF)
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This operand is intended to be used internally by BRIN indexes, more than by users.  | 
Availability: 2.3.0 support for Block Range INdexes (BRIN) was introduced. Requires PostgreSQL 9.5+.
 This method supports Circular Strings and Curves
 This function supports Polyhedral surfaces.