ST_Contains

description

Syntax

BOOL ST_Contains(GEOMETRY shape1, GEOMETRY shape2)

判断几何图形shape1是否完全能够包含几何图形shape2

example

MySQL > SELECT ST_Contains(ST_Polygon("POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0))"), ST_Point(5, 5));
+----------------------------------------------------------------------------------------+
| st_contains(st_polygon('POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0))'), st_point(5.0, 5.0)) |
+----------------------------------------------------------------------------------------+
|                                                                                      1 |
+----------------------------------------------------------------------------------------+

MySQL > SELECT ST_Contains(ST_Polygon("POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0))"), ST_Point(50, 50));
+------------------------------------------------------------------------------------------+
| st_contains(st_polygon('POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0))'), st_point(50.0, 50.0)) |
+------------------------------------------------------------------------------------------+
|                                                                                        0 |
+------------------------------------------------------------------------------------------+

keyword

ST_CONTAINS,ST,CONTAINS