Enum sophia::query::Query

pub enum Query {
    Triples(Vec<[RcTerm; 3]>),
}

A query can be processed against a graph, producing a sequence of binding maps.

Variants

Triples(Vec<[RcTerm; 3]>)

Basic graph pattern

Methods

impl Query

pub fn process<'a, G: Graph<'a>>(
    &'a mut self,
    graph: &'a G
) -> Box<dyn Iterator<Item = GResult<'a, G, BindingMap>> + 'a>

Process this query against the given graph, and return an fallible iterator of BindingMaps.

The iterator may fail (i.e. yield Err) if an operation on the graph fails.

pub fn process_with<'a, G: Graph<'a>>(
    &'a mut self,
    graph: &'a G,
    initial_bindings: BindingMap
) -> Box<dyn Iterator<Item = GResult<'a, G, BindingMap>> + 'a>

Process this query against the given graph, and return an fallible iterator of BindingMaps, starting with the given bindings.

The iterator may fail (i.e. yield Err) if an operation on the graph fails.