Function dataflow::render::reduce::build_distinct [−][src]
fn build_distinct<G>(
collection: Collection<G, (Row, Row)>
) -> Arranged<G, TraceAgent<OrdValSpine<Row, Row, <G as ScopeParent>::Timestamp, Diff, usize>>> where
G: Scope,
G::Timestamp: Lattice,
Expand description
Build the dataflow to compute the set of distinct keys.