lance_encoding::encodings::logical::fixed_size_list

Struct StructuralFixedSizeListDecoder

pub struct StructuralFixedSizeListDecoder { /* private fields */ }

Expand description

A decoder for complex fixed-size list fields

Drains num_rows * dimension from the child decoder and reconstructs the FSL array with validity from the rep/def information.

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impl StructuralFixedSizeListDecoder

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pub fn new(child: Box<dyn StructuralFieldDecoder>, data_type: DataType) -> Self

Trait Implementations§

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impl Debug for StructuralFixedSizeListDecoder

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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 StructuralFieldDecoder for StructuralFixedSizeListDecoder

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fn accept_page(&mut self, child: LoadedPageShard) -> Result<()>

Add a newly scheduled child decoder Read more

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fn drain(&mut self, num_rows: u64) -> Result<Box<dyn StructuralDecodeArrayTask>>

Creates a task to decode num_rows of data into an array

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fn data_type(&self) -> &DataType

The data type of the decoded data

Auto Trait Implementations§

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impl !UnwindSafe for StructuralFixedSizeListDecoder

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> 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 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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