SegmentWriter

value_log

Struct SegmentWriter 

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pub struct SegmentWriter<C: Compressor + Clone> { /* private fields */ }
Expand description

Segment writer, may write multiple segments

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impl<C: Compressor + Clone> MultiWriter<C>

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pub fn get_next_value_handle(&self) -> ValueHandle

Returns the ValueHandle for the next written blob.

This can be used to index an item into an external Index.

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pub fn write<K: AsRef<[u8]>, V: AsRef<[u8]>>( &mut self, key: K, value: V, ) -> Result<u32>

Writes an item.

§Errors

Will return Err if an IO error occurs.

Auto Trait Implementations§

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impl<C> Freeze for MultiWriter<C>
where C: Freeze,

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impl<C> RefUnwindSafe for MultiWriter<C>
where C: RefUnwindSafe,

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impl<C> Send for MultiWriter<C>
where C: Send,

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impl<C> Sync for MultiWriter<C>
where C: Sync,

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impl<C> Unpin for MultiWriter<C>
where C: Unpin,

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impl<C> UnwindSafe for MultiWriter<C>
where C: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.