Skip to main content

StreamIndex

fcb_core::static_btree::query

Struct StreamIndex

pub struct StreamIndex<K: Key> { /* private fields */ }

Expand description

Stream-based index for file access

Implementations§

impl<K: Key> StreamIndex<K>

pub fn new( num_items: usize, branching_factor: u16, index_offset: u64, length: u64, ) -> Self

Create a new stream index with metadata

pub fn num_items(&self) -> usize

Get the number of items in the index

pub fn branching_factor(&self) -> u16

Get the branching factor of the tree

pub fn index_offset(&self) -> u64

Get the index offset

pub fn length(&self) -> u64

Get the length of the index

pub fn find_exact_with_reader<R: Read + Seek + ?Sized>( &self, reader: &mut R, key: K, ) -> Result<Vec<u64>>

Find exact matches using a reader

pub fn find_range_with_reader<R: Read + Seek + ?Sized>( &self, reader: &mut R, start: Option<K>, end: Option<K>, ) -> Result<Vec<u64>>

Find range matches using a reader

Trait Implementations§

impl<K: Clone + Key> Clone for StreamIndex<K>

fn clone(&self) -> StreamIndex<K>

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<K: Debug + Key> Debug for StreamIndex<K>

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

Formats the value using the given formatter. Read more

impl TypedStreamSearchIndex for StreamIndex<DateTime<Utc>>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<FixedStringKey<100>>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<FixedStringKey<20>>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<FixedStringKey<50>>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<OrderedFloat<f32>>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<OrderedFloat<f64>>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<bool>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<i16>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<i32>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<i64>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<i8>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<u16>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<u32>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<u64>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

impl TypedStreamSearchIndex for StreamIndex<u8>

fn execute_query_condition( &self, reader: &mut dyn ReadSeek, condition: &QueryCondition, ) -> Result<Vec<u64>>

Execute the query condition using the provided reader

Auto Trait Implementations§

impl<K> Freeze for StreamIndex<K>

impl<K> RefUnwindSafe for StreamIndex<K>
where K: RefUnwindSafe,

impl<K> Send for StreamIndex<K>
where K: Send,

impl<K> Sync for StreamIndex<K>
where K: Sync,

impl<K> Unpin for StreamIndex<K>
where K: Unpin,

impl<K> UnwindSafe for StreamIndex<K>
where K: UnwindSafe,

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> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn in_current_span(self) -> Instrumented<Self>

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

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

fn with_current_subscriber(self) -> WithDispatch<Self>

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