The Ultimate Guide to High Availability with MariaDB

ST_CONTAINS

Syntax

ST_CONTAINS(g1,g2)

Description

Returns 1 or 0 to indicate whether a geometry g1 completely contains geometry g2.

ST_CONTAINS() uses object shapes, while CONTAINS(), based on the original MySQL implementation, uses object bounding rectangles.

ST_CONTAINS tests the opposite relationship to ST_WITHIN().

Examples

SET @g1 = ST_GEOMFROMTEXT('POLYGON((175 150, 20 40, 50 60, 125 100, 175 150))');

SET @g2 = ST_GEOMFROMTEXT('POINT(174 149)');

SELECT ST_CONTAINS(@g1,@g2);
+----------------------+
| ST_CONTAINS(@g1,@g2) |
+----------------------+
|                    1 |
+----------------------+

SET @g2 = ST_GEOMFROMTEXT('POINT(175 151)');

SELECT ST_CONTAINS(@g1,@g2);
+----------------------+
| ST_CONTAINS(@g1,@g2) |
+----------------------+
|                    0 |
+----------------------+

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