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ST_INTERSECTION

Returns a geometry representing the point set intersection of two geometries. It outputs the spatial region shared by both input objects.

Syntax

ST_INTERSECTION(g1,g2)

Description

Returns a geometry that is the intersection, or shared portion, of geometry g1 and geometry g2.

Examples

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SET @g1 = ST_GEOMFROMTEXT('POINT(2 1)');

SET @g2 = ST_GEOMFROMTEXT('LINESTRING(2 1, 0 2)');

SELECT ASTEXT(ST_INTERSECTION(@g1,@g2));
+----------------------------------+
| ASTEXT(ST_INTERSECTION(@g1,@g2)) |
+----------------------------------+
| POINT(2 1)                       |
+----------------------------------+