Struct GraphStats

Source

pub struct GraphStats {
    pub num_vertices: u64,
    pub num_edges: u64,
    pub label_counts: BTreeMap<String, u64>,
    pub avg_out_degree: f64,
    pub degree_distribution: BTreeMap<u64, u64>,
    pub min_timestamp: Option<f64>,
    pub max_timestamp: Option<f64>,
    pub graph_name: String,
    pub vertex_label_counts: BTreeMap<String, u64>,
    pub label_degree_map: BTreeMap<String, f64>,
}

Expand description

Graph-level statistics for heuristic cardinality estimation.

Fields§

§num_vertices: u64§num_edges: u64§label_counts: BTreeMap<String, u64>§avg_out_degree: f64§degree_distribution: BTreeMap<u64, u64>§min_timestamp: Option<f64>§max_timestamp: Option<f64>§graph_name: String§vertex_label_counts: BTreeMap<String, u64>§label_degree_map: BTreeMap<String, f64>

Struct GraphStats Copy item path

Fields§

Implementations§

impl GraphStats

pub fn label_selectivity(&self, label: Option<&str>) -> f64

pub fn edge_density(&self) -> f64

Trait Implementations§

impl Clone for GraphStats

fn clone(&self) -> GraphStats

fn clone_from(&mut self, source: &Self)

impl Debug for GraphStats

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Default for GraphStats

fn default() -> GraphStats

Auto Trait Implementations§

impl Freeze for GraphStats

impl RefUnwindSafe for GraphStats

impl Send for GraphStats

impl Sync for GraphStats

impl Unpin for GraphStats

impl UnsafeUnpin for GraphStats

impl UnwindSafe for GraphStats

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> CloneToUninit for Twhere T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

impl<T> ErasedDestructor for Twhere T: 'static,

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘwhere F: FnOnce(&Self) -> bool,

impl<T> Same for T

type Output = T

impl<T> ToOwned for Twhere T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = !

fn try_from(value: U) -> Result<T, !>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Struct GraphStats

impl<T> Any for T
where T: 'static + ?Sized,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<T> CloneToUninit for T
where T: Clone,

impl<T> ErasedDestructor for T
where T: 'static,

impl<T, U> Into<U> for T
where U: From<T>,

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
where F: FnOnce(&Self) -> bool,

impl<T> ToOwned for T
where T: Clone,

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,