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FallbackEncoderImpl

parquet::arrow::arrow_writer::byte_array

Enum FallbackEncoderImpl

enum FallbackEncoderImpl {
    Plain {
        buffer: Vec<u8>,
    },
    DeltaLength {
        buffer: Vec<u8>,
        lengths: Box<DeltaBitPackEncoder<Int32Type>>,
    },
    Delta {
        buffer: Vec<u8>,
        last_value: Vec<u8>,
        prefix_lengths: Box<DeltaBitPackEncoder<Int32Type>>,
        suffix_lengths: Box<DeltaBitPackEncoder<Int32Type>>,
    },
}

Expand description

The fallback encoder in use

Note: DeltaBitPackEncoder is boxed as it is rather large

Variants§

Plain

Fields

§buffer: Vec<u8>

DeltaLength

Fields

§buffer: Vec<u8>

§lengths: Box<DeltaBitPackEncoder<Int32Type>>

Delta

Fields

§buffer: Vec<u8>

§last_value: Vec<u8>

§prefix_lengths: Box<DeltaBitPackEncoder<Int32Type>>

§suffix_lengths: Box<DeltaBitPackEncoder<Int32Type>>

Auto Trait Implementations§

impl Freeze for FallbackEncoderImpl

impl RefUnwindSafe for FallbackEncoderImpl

impl Send for FallbackEncoderImpl

impl Sync for FallbackEncoderImpl

impl Unpin for FallbackEncoderImpl

impl UnwindSafe for FallbackEncoderImpl

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> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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, 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<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,

impl<T> Ungil for T
where T: Send,