ST_INTERSECTION

Introduced or updated: v1.2.895

Returns the shared part of two GEOMETRY objects.

This function only supports GEOMETRY values.

Syntax

ST_INTERSECTION(<geometry1>, <geometry2>)

Arguments

Arguments	Description
<geometry1>	The argument must be an expression of type GEOMETRY.
<geometry2>	The argument must be an expression of type GEOMETRY.

note

• The function reports an error if the two input GEOMETRY objects have different SRIDs.

Return Type

GEOMETRY.

Examples

SELECT ST_ASWKT(ST_INTERSECTION(TO_GEOMETRY('LINESTRING(0 0, 1 1)'), TO_GEOMETRY('LINESTRING(0 0, 1 1)')));

╭─────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ st_aswkt(st_intersection(to_geometry('LINESTRING(0 0, 1 1)'), to_geometry('LINESTRING(0 0, 1 1)'))) │
├─────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ LINESTRING(0 0,1 1)                                                                                 │
╰─────────────────────────────────────────────────────────────────────────────────────────────────────╯