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7cdaba66dc0f1436d74193060038522fe8fb4d25
doris/docs/documentation/cn/sql-reference/sql-functions/spatial-functions/st_contains.md
ZHAO Chun 7cdaba66dc Add spatial func (#1213) 
Support some spatial functions, such as ST_Contains.
2019-05-31 14:23:09 +08:00

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ST_Contains

Syntax

BOOL ST_Contains(GEOMETRY shape1, GEOMETRY shape2)

Description

判断几何图形shape1是否完全能够包含几何图形shape2

Examples

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 |
+------------------------------------------------------------------------------------------+