ST_Within

Introduction: Return true if A is within B

Format: ST_Within (A: Geometry, B: Geometry)

Since: v1.3.0

Example:

SELECT ST_Within(ST_GeomFromWKT('POLYGON((0 0,3 0,3 3,0 3,0 0))'), ST_GeomFromWKT('POLYGON((1 1,2 1,2 2,1 2,1 1))'))

Output:

false