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RowsParser

Struct RowsParser 

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pub struct RowsParser<R: Read + Seek> { /* private fields */ }
Expand description

Parser for Rows.db BTI index (clustering keys within a partition)

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impl<R: Read + Seek> RowsParser<R>

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pub fn new(reader: R) -> BtiResult<Self>

Create new rows parser

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pub fn lookup_row( &mut self, clustering_key: &[Value], ) -> BtiResult<Option<PayloadRef>>

Lookup row by clustering key

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pub fn range_query( &mut self, start_key: &[Value], end_key: &[Value], ) -> BtiResult<Vec<PayloadRef>>

Range query for clustering keys

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pub fn iterate_rows(&mut self) -> BtiResult<RowIterator<'_, R>>

Iterator over all rows in the index

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pub fn header(&self) -> &BtiHeader

Get header information

Auto Trait Implementations§

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impl<R> Freeze for RowsParser<R>
where R: Freeze,

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impl<R> RefUnwindSafe for RowsParser<R>
where R: RefUnwindSafe,

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impl<R> Send for RowsParser<R>
where R: Send,

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impl<R> Sync for RowsParser<R>
where R: Sync,

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impl<R> Unpin for RowsParser<R>
where R: Unpin,

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impl<R> UnsafeUnpin for RowsParser<R>
where R: UnsafeUnpin,

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impl<R> UnwindSafe for RowsParser<R>
where R: UnwindSafe,

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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

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

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fn type_id(&self) -> TypeId

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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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

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

Performs the conversion.