- OGC® Filter Encoding 2.0 Encoding Standard
- OpenGIS® Catalogue Service Implementation Specification 2.0.1
An SortBy can be formed using the elements:
Function. They all belong to the substitution group
expression which means that any of them can be used wherever an expression is called for. In addition,
the combinaison of these elements are themselves expressions and can be used wherever an expression is
The contents of a FeatureCollection are not defined with respect to order.
A FeatureList represents an ordered collection of features, possibly using a siers of SortBy elements to define the intended order.
Catalog and Web Feature Server
Both the Catalog and Web Feature Server specifications all the use of SortBy during requests.