Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Aggregation functions

convex_hull_agg(geometry)

Returns the minimum convex geometry that encloses all geometries passed as input.

geometry_union_agg(geometry)

Returns a geometry that represents the point set union of all geometries passed as input.