Name
ST_HasArc — Tests if a geometry contains a circular arc
Synopsis
boolean ST_HasArc(geometry geomA);
Description
Returns true if a geometry or geometry collection contains a circular string
Availability: 1.2.3?
This function supports 3d and will not drop the z-index.
This method supports Circular Strings and Curves.
Examples
Code
SELECT ST_HasArc(ST_Collect('LINESTRING(1 2,3 4,5 6)', 'CIRCULARSTRING(1 1,2 3,4 5,6 7,5 6)'));
Output
t
Figure