Protected Readonly_Protected Readonly_Protected ReadonlycontextStatic ReadonlyUnknownRetrieves the list of valid values for all enumerated attributes within a given layer.
ProtectedisStaticextractExtracts the feature type from the feature's ID. A feature ID may contain a prefix, the feature type and a feature-specific ID. It returns "UNKNOWN" if the ID is absent.
Compares attribute names between query layers of a LayerWms object. Returns a list of attributes that are common to all query layers. If the layer has no query layers, it returns an empty array. Can optionally include the geometry column name if it is present in all query layers.