Struct VertexAggregation 

pub struct VertexAggregation<'a> {
    pub source: GraphPostingList,
    pub property_name: String,
    pub agg_fn: AggFn,
    pub graph: &'a str,
}

Aggregate a numeric property over the vertex set rolled up in a source operator’s GraphPayloads. Mirrors Definition 2.2.3.

Fields

source: GraphPostingList

property_name: String

agg_fn: AggFn

graph: &'a str

Implementations

impl<'a> VertexAggregation<'a>

pub fn new( source: GraphPostingList, property: impl Into<String>, agg_fn: AggFn, graph: &'a str, ) -> Self

pub fn execute<G: GraphStore>( &self, store: &G, ) -> GraphStoreResult<GraphPostingList>