Struct GenericCosts

#[repr(C)]pub struct GenericCosts {
    pub indexStartupCost: Cost,
    pub indexTotalCost: Cost,
    pub indexSelectivity: Selectivity,
    pub indexCorrelation: f64,
    pub numIndexPages: f64,
    pub numIndexTuples: f64,
    pub spc_random_page_cost: f64,
    pub num_sa_scans: f64,
}

Fields§

§indexStartupCost: Cost§indexTotalCost: Cost§indexSelectivity: Selectivity§indexCorrelation: f64§numIndexPages: f64§numIndexTuples: f64§spc_random_page_cost: f64§num_sa_scans: f64

Trait Implementations§

impl Clone for GenericCosts

fn clone(&self) -> GenericCosts

Returns a copy of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for GenericCosts

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

Formats the value using the given formatter. Read more

impl Default for GenericCosts

fn default() -> GenericCosts

Returns the “default value” for a type. Read more

impl Copy for GenericCosts

Auto Trait Implementations§

impl Freeze for GenericCosts

impl RefUnwindSafe for GenericCosts

impl Send for GenericCosts

impl Sync for GenericCosts

impl Unpin for GenericCosts

impl UnwindSafe for GenericCosts

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> CloneToUninit for T
where T: Clone,

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

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. 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> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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

Uses borrowed data to replace owned data, usually by cloning. Read more

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.