Struct JoinPlan

Source

pub struct JoinPlan {
    pub relations: u64,
    pub cardinality: f64,
    pub cost: f64,
    pub left: Option<Box<JoinPlan>>,
    pub right: Option<Box<JoinPlan>>,
    pub join_edge: Option<JoinEdge>,
    pub kind: Option<OperatorKind>,
}

Expand description

A (sub)plan for joining a set of relations. relations is the bitmask of relation indices in the plan; cardinality and cost are the running estimates, and left / right / join_edge are populated for internal nodes.

Fields§

§relations: u64§cardinality: f64§cost: f64§left: Option<Box<JoinPlan>>§right: Option<Box<JoinPlan>>§join_edge: Option<JoinEdge>§kind: Option<OperatorKind>

The join algorithm _emit_csg_cmp_pair picked for this node. None for base relations and cross joins.

Struct JoinPlan Copy item path

Fields§

Implementations§

impl JoinPlan

pub fn rows(&self) -> f64

pub fn cost(&self) -> f64

Trait Implementations§

impl Clone for JoinPlan

fn clone(&self) -> JoinPlan

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

impl Debug for JoinPlan

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

Auto Trait Implementations§

impl Freeze for JoinPlan

impl RefUnwindSafe for JoinPlan

impl Send for JoinPlan

impl Sync for JoinPlan

impl Unpin for JoinPlan

impl UnsafeUnpin for JoinPlan

impl UnwindSafe for JoinPlan

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> Pointable for T

const ALIGN: usize

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

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 JoinPlan

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>,