The Ultimate Guide to High Availability with MariaDB
This is a read-only copy of the MariaDB Knowledgebase generated on 2024-11-21. For the latest, interactive version please visit https://mariadb.com/kb/.

WITHIN

Syntax

Within(g1,g2)

Description

Returns 1 or 0 to indicate whether g1 is spatially within g2. This tests the opposite relationship as Contains().

WITHIN() is based on the original MySQL implementation, and uses object bounding rectangles, while ST_WITHIN() uses object shapes.

Examples

SET @g1 = GEOMFROMTEXT('POINT(174 149)');
SET @g2 = GEOMFROMTEXT('POINT(176 151)');
SET @g3 = GEOMFROMTEXT('POLYGON((175 150, 20 40, 50 60, 125 100, 175 150))');

SELECT within(@g1,@g3);
+-----------------+
| within(@g1,@g3) |
+-----------------+
|               1 |
+-----------------+

SELECT within(@g2,@g3);
+-----------------+
| within(@g2,@g3) |
+-----------------+
|               0 |
+-----------------+
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