parquet::arrow::arrow_writer

Struct ArrowColumnChunkData

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struct ArrowColumnChunkData {
    length: usize,
    data: Vec<Bytes>,
}
Expand description

A single column chunk produced by ArrowColumnWriter

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§length: usize§data: Vec<Bytes>

Trait Implementations§

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impl ChunkReader for ArrowColumnChunkData

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type T = ArrowColumnChunkReader

The concrete type of reader returned by this trait
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fn get_read(&self, start: u64) -> Result<Self::T>

Get a Read instance starting at the provided file offset Read more
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fn get_bytes(&self, _start: u64, _length: usize) -> Result<Bytes>

Get a range of data in memory as [Bytes] Read more
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impl Default for ArrowColumnChunkData

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fn default() -> ArrowColumnChunkData

Returns the “default value” for a type. Read more
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impl Length for ArrowColumnChunkData

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fn len(&self) -> u64

Returns the amount of bytes of the inner source.

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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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where T: ?Sized,

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impl<T> BorrowMut<T> for T
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impl<T> From<T> for T

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impl<T, U> Into<U> for T
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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impl<T, U> TryFrom<U> for T
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type Error = Infallible

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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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Performs the conversion.
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