ST_IsSimple

Determine whether a geometry is simple. For example, a geometry that intersects with itself is not simple.

Syntax

ST_IsSimple(geo);
geo
The input geometry.

Type: ST_GEOMETRY(ANY)

Returns

A value of type BOOL that is TRUE if the geometry is simple; otherwise FALSE.

Examples

SELECT inza..ST_IsSimple(inza..ST_WKTToSQL('POINT (1 1)'));
 
ST_ISSIMPLE
-----------
t
(1 row)