func.ST_NumInteriorRing

This function returns the number of interior rings of a polygon geom. It returns NULL if the geom is not a polygon.

Description

PlaidCloud expressions and filters provide use of most non-administrative PostGIS methods. PostGIS methods are accessed by prefixing the standard method name with func..

Examples

SQL

ST_NumInteriorRing(geometry a_polygon);

PlaidCloud

ST_NumInteriorRing(geometry a_polygon)

References

PostGIS Official Documentation for this method can be found here.

Additional capabilities and usage examples can be found in the PostGIS documentation.

Last modified November 27, 2023 at 12:56 PM EST: Restructured the file structure/a few changes (f6c58b8)