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TableInfo

yggdrasil::api::database::status

Struct TableInfo

pub struct TableInfo {
    pub name: String,
    pub row_count: i64,
    pub row_count_estimated: bool,
    pub table_size_bytes: i64,
    pub index_size_bytes: i64,
    pub total_size_bytes: i64,
    pub last_vacuum: Option<DateTime<Utc>>,
    pub last_analyze: Option<DateTime<Utc>>,
    pub dead_tuples: i64,
    pub live_tuples: i64,
}

Expand description

单张表的统计信息。

Fields§

§name: String§row_count: i64

行数：total_size 小于阈值时为真实 COUNT(*)，否则回退 reltuples 估算（见 row_count_estimated）。

§row_count_estimated: bool

true 表示 row_count 是 reltuples 估算值（大表回退，未 ANALYZE 时 reltuples=-1 会显示为估算）。

§table_size_bytes: i64§index_size_bytes: i64§total_size_bytes: i64§last_vacuum: Option<DateTime<Utc>>§last_analyze: Option<DateTime<Utc>>§dead_tuples: i64§live_tuples: i64

Trait Implementations§

impl Clone for TableInfo

fn clone(&self) -> TableInfo

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 TableInfo

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

Formats the value using the given formatter. Read more

impl<'de> Deserialize<'de> for TableInfo

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

impl Serialize for TableInfo

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: Serializer,

Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

impl Freeze for TableInfo

impl RefUnwindSafe for TableInfo

impl Send for TableInfo

impl Sync for TableInfo

impl Unpin for TableInfo

impl UnsafeUnpin for TableInfo

impl UnwindSafe for TableInfo

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> DynClone for T
where T: Clone,

fn __clone_box(&self, _: Private) -> *mut ()

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FromRef<T> for T
where T: Clone,

fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.

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fn initialize_from_function(f: fn() -> T) -> T

Create an instance of this type from an initialization function

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

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Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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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> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

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

Initializes a with the given initializer. Read more

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

Dereferences the given pointer. Read more

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

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] only if self and other return Action::Follow. Read more

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns [Action::Follow] if either self or other returns Action::Follow. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<Ret> SpawnIfAsync<(), Ret> for Ret

fn spawn(self) -> Ret

Spawn the value into the dioxus runtime if it is an async block

impl<T, O> SuperFrom<T> for O
where O: From<T>,

fn super_from(input: T) -> O

Convert from a type to another type.

impl<T, O, M> SuperInto<O, M> for T
where O: SuperFrom<T, M>,

fn super_into(self) -> O

Convert from a type to another type.

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> Transportable for T
where T: Serialize + DeserializeOwned + 'static,

fn transport_to_bytes(&self) -> Vec<u8> ⓘ

Serialize the type to a byte vector for transport

fn transport_from_bytes(bytes: &[u8]) -> Result<T, Error<Error>>

Deserialize the type from a byte slice

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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.

impl<S, T> Upcast<T> for S
where T: UpcastFrom<S> + ?Sized, S: ?Sized,

fn upcast(&self) -> &T
where Self: ErasableGeneric, T: ErasableGeneric<Repr = Self::Repr>,

Perform a zero-cost type-safe upcast to a wider ref type within the Wasm bindgen generics type system. Read more

fn upcast_into(self) -> T
where Self: Sized + ErasableGeneric, T: ErasableGeneric<Repr = Self::Repr>,

Perform a zero-cost type-safe upcast to a wider type within the Wasm bindgen generics type system. Read more

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more

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Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more

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