PostGIS 1.5.8 Manual - Fedora Project Packages GIT repositories

PostGIS 1.5.8 Manual161 / 310Synopsisboolean ~( geometry A , geometry B );DescriptionThe ~ operator returns TRUE if the bounding box of geometry A completely contains the bounding box of geometry B.NoteThis operand will make use of any indexes that may be available on the geometries.ExamplesSELECT tbl1.column1, tbl2.column1, tbl1.column2 ~ tbl2.column2 AS containsFROM( VALUES(1, ’LINESTRING (0 0, 3 3)’::geometry)) AS tbl1,( VALUES(2, ’LINESTRING (0 0, 4 4)’::geometry),(3, ’LINESTRING (1 1, 2 2)’::geometry),(4, ’LINESTRING (0 0, 3 3)’::geometry)) AS tbl2;column1 | column1 | contains---------+---------+----------1 | 2 | f1 | 3 | t1 | 4 | t(3 rows)See Also@, &&7.7.13 ~=~= — Returns TRUE if A’s bounding box is the same as B’s.Synopsisboolean ~=( geometry A , geometry B );DescriptionThe ~= operator returns TRUE if the bounding box of geometry/geography A is the same as the bounding box of geometry/geographyB.NoteThis operand will make use of any indexes that may be available on the geometries.