ST_Normalize

Introduction: Returns the input geometry in its normalized form.

Format

ST_Normalize(geom: geometry)

Return type: Geometry

Example:

SELECT ST_AsEWKT(ST_Normalize(ST_GeomFromWKT('POLYGON((0 1, 1 1, 1 0, 0 0, 0 1))'))) AS geom

Result:

+-----------------------------------+
|geom                               |
+-----------------------------------+
|POLYGON ((0 0, 0 1, 1 1, 1 0, 0 0))|
+-----------------------------------+