카테고리:: 지리 공간 함수

ST_WITHIN¶

Returns true if the the first geospatial object is fully contained by the second geospatial object. In other words:

The first GEOGRAPHY object g1 is fully contained by the second GEOGRAPHY object g2.
The first GEOMETRY object g1 is fully contained by the second GEOMETRY object g2.

Calling ST_WITHIN(g1, g2) is equivalent to calling ST_CONTAINS(g2, g1).

Although ST_COVEREDBY and ST_WITHIN might seem similar, the two functions have subtle differences. For details on the differences between 《covered by》 and 《within》, see the Dimensionally Extended 9-Intersection Model (DE-9IM).

참고

이 함수는 GeometryCollection 또는 FeatureCollection을 입력 값으로 사용하는 것을 지원하지 않습니다.

참고 항목:: ST_CONTAINS , ST_COVEREDBY

구문¶

ST_WITHIN( <geography_expression_1> , <geography_expression_2> )

ST_WITHIN( <geometry_expression_1> , <geometry_expression_2> )

인자¶

geography_expression_1: GeometryCollection 또는 FeatureCollection이 아닌 GEOGRAPHY 오브젝트입니다.
geography_expression_2: GeometryCollection 또는 FeatureCollection이 아닌 GEOGRAPHY 오브젝트입니다.
geometry_expression_1: A GEOMETRY object that is not a GeometryCollection or FeatureCollection.
geometry_expression_2: A GEOMETRY object that is not a GeometryCollection or FeatureCollection.

반환¶

BOOLEAN.

예¶

GEOGRAPHY Examples¶

이는 ST_WITHIN 함수의 간단한 사용법을 보여줍니다.

create table geospatial_table_01 (g1 GEOGRAPHY, g2 GEOGRAPHY);
insert into geospatial_table_01 (g1, g2) values 
    ('POLYGON((0 0, 3 0, 3 3, 0 3, 0 0))', 'POLYGON((1 1, 2 1, 2 2, 1 2, 1 1))');

SELECT ST_WITHIN(g1, g2) 
    FROM geospatial_table_01;
+-------------------+
| ST_WITHIN(G1, G2) |
|-------------------|
| False             |
+-------------------+