Skip to main content

EventIterator

Struct EventIterator 

Source
pub struct EventIterator<'a> {
    pub mvcc: &'a Mvcc,
    pub dirty: &'a HashMap<PageID, Page>,
    pub stack: Vec<(PageID, Option<usize>)>,
    pub page_cache: HashMap<PageID, Arc<Page>>,
    pub start: Option<Position>,
    pub backwards: bool,
}

Fields§

§mvcc: &'a Mvcc§dirty: &'a HashMap<PageID, Page>§stack: Vec<(PageID, Option<usize>)>§page_cache: HashMap<PageID, Arc<Page>>§start: Option<Position>§backwards: bool

Implementations§

Source§

impl<'a> EventIterator<'a>

Source

pub fn new( mvcc: &'a Mvcc, dirty: &'a HashMap<PageID, Page>, events_tree_root_id: PageID, start: Option<Position>, backwards: bool, ) -> Self

Source

pub fn next_batch( &mut self, batch_size: u32, cancel: Option<&Arc<AtomicBool>>, ) -> DcbResult<Vec<(Position, EventRecord)>>

Auto Trait Implementations§

§

impl<'a> !RefUnwindSafe for EventIterator<'a>

§

impl<'a> !UnwindSafe for EventIterator<'a>

§

impl<'a> Freeze for EventIterator<'a>

§

impl<'a> Send for EventIterator<'a>

§

impl<'a> Sync for EventIterator<'a>

§

impl<'a> Unpin for EventIterator<'a>

§

impl<'a> UnsafeUnpin for EventIterator<'a>

Blanket Implementations§

Source§

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

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

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

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

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

Source§

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

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

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

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<T> IntoEither for T

Source§

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
Source§

impl<T> Pointable for T

Source§

const ALIGN: usize

The alignment of pointer.
Source§

type Init = T

The type for initializers.
Source§

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

Initializes a with the given initializer. Read more
Source§

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

Dereferences the given pointer. Read more
Source§

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

Mutably dereferences the given pointer. Read more
Source§

unsafe fn drop(ptr: usize)

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

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

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.
Source§

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

Source§

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

The type returned in the event of a conversion error.
Source§

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

Performs the conversion.