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SelectAnalysis

hematite::query::plan

Struct SelectAnalysis

pub struct SelectAnalysis {
    pub table_name: String,
    pub source_count: usize,
    pub has_complex_source: bool,
    pub table_id: TableId,
    pub rowid_lookup: Option<u64>,
    pub estimated_rows: usize,
    pub usable_indexes: Vec<IndexUsage>,
    pub accessed_columns: Vec<ColumnAccess>,
}

Fields§

§table_name: String§source_count: usize§has_complex_source: bool§table_id: TableId§rowid_lookup: Option<u64>§estimated_rows: usize§usable_indexes: Vec<IndexUsage>§accessed_columns: Vec<ColumnAccess>

Trait Implementations§

impl Clone for SelectAnalysis

fn clone(&self) -> SelectAnalysis

Returns a duplicate 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 SelectAnalysis

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for SelectAnalysis

impl RefUnwindSafe for SelectAnalysis

impl Send for SelectAnalysis

impl Sync for SelectAnalysis

impl Unpin for SelectAnalysis

impl UnsafeUnpin for SelectAnalysis

impl UnwindSafe for SelectAnalysis

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, dest: *mut u8)

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

Performs copy-assignment from self to dest. 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.