Struct mariadb_sys::TABLE_OPT_RANGE

#[repr(C)]pub struct TABLE_OPT_RANGE {
    pub key_parts: uint,
    pub ranges: uint,
    pub rows: ha_rows,
    pub max_index_blocks: ha_rows,
    pub max_row_blocks: ha_rows,
    pub cost: Cost_estimate,
    pub selectivity: f64,
    pub first_key_part_has_only_one_value: bool,
}

Fields§

§key_parts: uint§ranges: uint§rows: ha_rows§max_index_blocks: ha_rows§max_row_blocks: ha_rows§cost: Cost_estimate§selectivity: f64§first_key_part_has_only_one_value: bool

Implementations§

impl TABLE_OPT_RANGE

pub unsafe fn index_only_fetch_cost(&mut self, table: *mut TABLE) -> f64

pub unsafe fn get_costs(&mut self, cost: *mut ALL_READ_COST)

Trait Implementations§

impl Debug for TABLE_OPT_RANGE

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl RefUnwindSafe for TABLE_OPT_RANGE

impl Send for TABLE_OPT_RANGE

impl Sync for TABLE_OPT_RANGE

impl Unpin for TABLE_OPT_RANGE

impl UnwindSafe for TABLE_OPT_RANGE

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.