parquet::arrow::arrow_writer::byte_array

Enum FallbackEncoderImpl

Source 
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§

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

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

Source§

impl<T> IntoEither for T

Source§

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
Source§

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
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

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

§

impl<T> ErasedDestructor for T
where T: 'static,

§

impl<T> MaybeSendSync for T