語法

bool @(GeomGrid A, GeomGrid B);
bool @(GeomGrid A, Geometry B);
bool @(Geometry A, GeomGrid B);
bool @(H3Grid A, H3Grid B);
bool @(H3Grid A, Geometry B);
bool @(Geometry A, H3Grid B);

返回值

若對象A的外包框被對象B的外包框包含，則返回true，否則返回false。

參數

描述

• 判斷兩個GeomGrid/Geometry對象或兩個H3Grid/Geometry對象的外包框的空間包含關系，若對象A的外包框被對象B的外包框包含，返回true，否則返回false。

• GeomGrid或H3Grid會轉換為Geometry對象后再進行外包框空間關系判斷。

• 默認會將GeomGrid對象轉換為4490坐標系的Geometry對象。

• 默認會將H3Grid對象轉換為4326坐標系的Geometry對象。

示例

--@(GeomGrid, GeomGrid)
SELECT COUNT(*) from geomgrid_gist_test WHERE code @ 'G00'::GeomGrid;

-------
     5

--@(GeomGrid, Geometry)
SELECT COUNT(*) from geomgrid_gist_test WHERE code @ 'SRID=4490;POLYGON((88 24,88.8 24,88.8 24.5,88 24.5,88 24))'::Geometry;

-------
     2

--@(H3Grid, H3Grid)
SELECT COUNT(*) from h3grid_gist_test where code @ ST_H3FromLatLng(-17.5, -65.0, 1);

-------
     1

--@(H3Grid, Geometry)
SELECT COUNT(*) from h3grid_gist_test WHERE code @ 'SRID=4490;POLYGON((0 30,5 30,5 38,0 38,0 30))'::Geometry;

-------
     1