lance_core::utils::deletion

Enum DeletionVector

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pub enum DeletionVector {
    NoDeletions,
    Set(HashSet<u32>),
    Bitmap(RoaringBitmap),
}
Expand description

Represents a set of deleted row offsets in a single fragment.

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NoDeletions

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Set(HashSet<u32>)

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Bitmap(RoaringBitmap)

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impl DeletionVector

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pub fn len(&self) -> usize

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pub fn is_empty(&self) -> bool

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pub fn contains(&self, i: u32) -> bool

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pub fn contains_range(&self, range: Range<u32>) -> bool

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pub fn iter(&self) -> Box<dyn Iterator<Item = u32> + Send + '_>

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pub fn into_sorted_iter(self) -> Box<dyn Iterator<Item = u32> + Send + 'static>

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pub fn to_sorted_iter<'a>(&'a self) -> Box<dyn Iterator<Item = u32> + Send + 'a>

Create an iterator that iterates over the values in the deletion vector in sorted order.

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pub fn build_predicate(&self, row_ids: Iter<'_, u64>) -> Option<BooleanArray>

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impl Clone for DeletionVector

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fn clone(&self) -> DeletionVector

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DeletionVector

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

Formats the value using the given formatter. Read more
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impl DeepSizeOf for DeletionVector

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fn deep_size_of_children(&self, context: &mut Context) -> usize

Returns an estimation of the heap-managed storage of this object. This does not include the size of the object itself. Read more
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fn deep_size_of(&self) -> usize

Returns an estimation of a total size of memory owned by the object, including heap-managed storage. Read more
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impl Default for DeletionVector

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Extend<u32> for DeletionVector

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fn extend<T: IntoIterator<Item = u32>>(&mut self, iter: T)

Extends a collection with the contents of an iterator. Read more
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fn extend_one(&mut self, item: A)

🔬This is a nightly-only experimental API. (extend_one)
Extends a collection with exactly one element.
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fn extend_reserve(&mut self, additional: usize)

🔬This is a nightly-only experimental API. (extend_one)
Reserves capacity in a collection for the given number of additional elements. Read more
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impl From<&DeletionVector> for RoaringBitmap

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fn from(value: &DeletionVector) -> Self

Converts to this type from the input type.
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impl FromIterator<u32> for DeletionVector

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fn from_iter<T: IntoIterator<Item = u32>>(iter: T) -> Self

Creates a value from an iterator. Read more
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impl IntoIterator for DeletionVector

impl DeletionVector { pub fn get(i: u32) -> bool { … } } impl BitAnd for DeletionVector { … }

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type IntoIter = Box<dyn Iterator<Item = <DeletionVector as IntoIterator>::Item> + Send>

Which kind of iterator are we turning this into?
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type Item = u32

The type of the elements being iterated over.
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more
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impl PartialEq for DeletionVector

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fn eq(&self, other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoEither for T

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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
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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
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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

Initializes a with the given initializer. Read more
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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

Mutably dereferences the given pointer. Read more
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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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where S: Into<Dispatch>,

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