Struct raftstore::store::RegionIterator [−][src]
RegionIterator
wrap a rocksdb iterator and only allow it to
iterate in the region. It behaves as if underlying
db only contains one region.
Fields
iter: <S as Iterable>::Iterator
region: Arc<Region>
Implementations
impl<S> RegionIterator<S> where
S: Snapshot,
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S: Snapshot,
pub fn new(
snap: &S,
region: Arc<Region>,
iter_opt: IterOptions
) -> RegionIterator<S>
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snap: &S,
region: Arc<Region>,
iter_opt: IterOptions
) -> RegionIterator<S>
pub fn new_cf(
snap: &S,
region: Arc<Region>,
iter_opt: IterOptions,
cf: &str
) -> RegionIterator<S>
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snap: &S,
region: Arc<Region>,
iter_opt: IterOptions,
cf: &str
) -> RegionIterator<S>
pub fn seek_to_first(&mut self) -> Result<bool>
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pub fn seek_to_last(&mut self) -> Result<bool>
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pub fn seek(&mut self, key: &[u8]) -> Result<bool>
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pub fn seek_for_prev(&mut self, key: &[u8]) -> Result<bool>
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pub fn prev(&mut self) -> Result<bool>
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pub fn next(&mut self) -> Result<bool>
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pub fn key(&self) -> &[u8]
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pub fn value(&self) -> &[u8]
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pub fn valid(&self) -> Result<bool>
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pub fn should_seekable(&self, key: &[u8]) -> Result<()>
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Auto Trait Implementations
impl<S> RefUnwindSafe for RegionIterator<S> where
<S as Iterable>::Iterator: RefUnwindSafe,
<S as Iterable>::Iterator: RefUnwindSafe,
impl<S> Send for RegionIterator<S>
impl<S> Sync for RegionIterator<S> where
<S as Iterable>::Iterator: Sync,
<S as Iterable>::Iterator: Sync,
impl<S> Unpin for RegionIterator<S> where
<S as Iterable>::Iterator: Unpin,
<S as Iterable>::Iterator: Unpin,
impl<S> UnwindSafe for RegionIterator<S> where
<S as Iterable>::Iterator: UnwindSafe,
<S as Iterable>::Iterator: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<V, W> ConvertFrom<W> for V where
W: ConvertTo<V>,
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W: ConvertTo<V>,
pub fn convert_from(ctx: &mut EvalContext, from: W) -> Result<V, Error>
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impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Pointable for T
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pub const ALIGN: usize
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type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
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pub unsafe fn deref<'a>(ptr: usize) -> &'a T
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pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
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pub unsafe fn drop(ptr: usize)
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impl<T> Pointable for T
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pub const ALIGN: usize
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type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
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pub unsafe fn deref<'a>(ptr: usize) -> &'a T
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pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
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pub unsafe fn drop(ptr: usize)
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impl<T> Same<T> for T
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type Output = T
Should always be Self
impl<T> Sealed<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> SendSyncUnwindSafe for T where
T: Send + Sync + UnwindSafe + ?Sized,
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T: Send + Sync + UnwindSafe + ?Sized,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
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V: MultiLane<T>,