vortex_layout::layouts::dict

Struct DictVTable

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pub struct DictVTable;

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impl Debug for DictVTable

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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 VTable for DictVTable

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type Layout = DictLayout

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type Encoding = DictLayoutEncoding

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type Metadata = ProstMetadata<DictLayoutMetadata>

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fn id(_encoding: &Self::Encoding) -> LayoutId

Returns the ID of the layout encoding.
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fn encoding(_layout: &Self::Layout) -> LayoutEncodingRef

Returns the encoding for the layout.
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fn row_count(layout: &Self::Layout) -> u64

Returns the row count for the layout reader.
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fn dtype(layout: &Self::Layout) -> &DType

Returns the dtype for the layout reader.
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fn metadata(layout: &Self::Layout) -> Self::Metadata

Returns the metadata for the layout.
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fn segment_ids(_layout: &Self::Layout) -> Vec<SegmentId>

Returns the segment IDs for the layout.
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fn nchildren(_layout: &Self::Layout) -> usize

Returns the number of children for the layout.
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fn child(layout: &Self::Layout, idx: usize) -> VortexResult<LayoutRef>

Return the child at the given index.
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fn child_type(_layout: &Self::Layout, idx: usize) -> LayoutChildType

Return the type of the child at the given index.
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fn new_reader( layout: &Self::Layout, name: Arc<str>, segment_source: Arc<dyn SegmentSource>, ) -> VortexResult<LayoutReaderRef>

Create a new reader for the layout.
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fn build( _encoding: &Self::Encoding, dtype: &DType, _row_count: u64, metadata: &<Self::Metadata as DeserializeMetadata>::Output, _segment_ids: Vec<SegmentId>, children: &dyn LayoutChildren, _ctx: ArrayContext, ) -> VortexResult<Self::Layout>

Construct a new Layout from the provided parts.

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

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where U: From<T>,

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Calls U::from(self).

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

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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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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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type Error = Infallible

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Performs the conversion.
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type Error = <U as TryFrom<T>>::Error

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