Enum parquet2::deserialize::DefLevelsDecoder

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pub enum DefLevelsDecoder<'a> {
    Bitmap(HybridDecoderBitmapIter<'a>),
    Levels(HybridRleDecoder<'a>, u32),
}

Expand description

Decoder of definition levels.

Variants

`Bitmap(HybridDecoderBitmapIter<'a>)`

When the maximum definition level is 1, the definition levels are RLE-encoded and the bitpacked runs are bitmaps. This variant contains HybridDecoderBitmapIter that decodes the runs, but not the individual values

`Levels(HybridRleDecoder<'a>, u32)`

When the maximum definition level is larger than 1

Implementations

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impl<'a> DefLevelsDecoder<'a>

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pub fn new(page: &'a DataPage) -> Self

Trait Implementations

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impl<'a> Debug for DefLevelsDecoder<'a>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl<'a> RefUnwindSafe for DefLevelsDecoder<'a>

impl<'a> Send for DefLevelsDecoder<'a>

impl<'a> Sync for DefLevelsDecoder<'a>

impl<'a> Unpin for DefLevelsDecoder<'a>

impl<'a> UnwindSafe for DefLevelsDecoder<'a>

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,

const: unstable · source

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,

const: unstable · source

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

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · 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.

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

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

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

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

Performs the conversion.

Enum parquet2::deserialize::DefLevelsDecoder

Variants

`Bitmap(HybridDecoderBitmapIter<'a>)`

`Levels(HybridRleDecoder<'a>, u32)`

Implementations

impl<'a> DefLevelsDecoder<'a>

pub fn new(page: &'a DataPage) -> Self

Trait Implementations

impl<'a> Debug for DefLevelsDecoder<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Auto Trait Implementations

impl<'a> RefUnwindSafe for DefLevelsDecoder<'a>

impl<'a> Send for DefLevelsDecoder<'a>

impl<'a> Sync for DefLevelsDecoder<'a>

impl<'a> Unpin for DefLevelsDecoder<'a>

impl<'a> UnwindSafe for DefLevelsDecoder<'a>

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

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

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

Enum parquet2::deserialize::DefLevelsDecoder

Variants

Bitmap(HybridDecoderBitmapIter<'a>)

Levels(HybridRleDecoder<'a>, u32)

Implementations

impl<'a> DefLevelsDecoder<'a>

pub fn new(page: &'a DataPage) -> Self

Trait Implementations

impl<'a> Debug for DefLevelsDecoder<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Auto Trait Implementations

impl<'a> RefUnwindSafe for DefLevelsDecoder<'a>

impl<'a> Send for DefLevelsDecoder<'a>

impl<'a> Sync for DefLevelsDecoder<'a>

impl<'a> Unpin for DefLevelsDecoder<'a>

impl<'a> UnwindSafe for DefLevelsDecoder<'a>

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Error = Infallible

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

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

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

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

`Bitmap(HybridDecoderBitmapIter<'a>)`

`Levels(HybridRleDecoder<'a>, u32)`

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

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

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

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

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

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