Skip to main content

QueryPlan

hematite::query::plan

Struct QueryPlan

pub struct QueryPlan {
    pub node: PlanNode,
    pub program: ExecutionProgram,
    pub estimated_cost: f64,
    pub select_analysis: Option<SelectAnalysis>,
    pub optimizations: Option<SelectOptimizations>,
}

Fields§

§node: PlanNode§program: ExecutionProgram§estimated_cost: f64§select_analysis: Option<SelectAnalysis>§optimizations: Option<SelectOptimizations>

Implementations§

impl QueryPlan

pub fn into_executor(self) -> Box<dyn QueryExecutor>

Trait Implementations§

impl Debug for QueryPlan

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for QueryPlan

impl RefUnwindSafe for QueryPlan

impl Send for QueryPlan

impl Sync for QueryPlan

impl Unpin for QueryPlan

impl UnsafeUnpin for QueryPlan

impl UnwindSafe for QueryPlan

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.