parquet::data_type

Struct DoubleType

pub struct DoubleType {}

Expand description

Parquet physical type: DoubleType

Trait Implementations§

impl Clone for DoubleType

fn clone(&self) -> DoubleType

Returns a copy of the value. Read more

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl DataType for DoubleType

type T = f64

The physical type of the Parquet data type.

fn get_type_size() -> usize

Returns size in bytes for Rust representation of the physical type.

fn get_column_reader( column_reader: ColumnReader, ) -> Option<ColumnReaderImpl<Self>>

Returns the underlying ColumnReaderImpl for the given ColumnReader.

fn get_column_writer( column_writer: ColumnWriter<'_>, ) -> Option<ColumnWriterImpl<'_, Self>>

Returns the underlying ColumnWriterImpl for the given ColumnWriter.

fn get_column_writer_ref<'a, 'b: 'a>( column_writer: &'a ColumnWriter<'b>, ) -> Option<&'a ColumnWriterImpl<'b, Self>>

Returns a reference to the underlying ColumnWriterImpl for the given ColumnWriter.

fn get_column_writer_mut<'a, 'b: 'a>( column_writer: &'a mut ColumnWriter<'b>, ) -> Option<&'a mut ColumnWriterImpl<'b, Self>>

Returns a mutable reference to the underlying ColumnWriterImpl for the given

fn get_physical_type() -> Type

Returns Parquet physical type.

Auto Trait Implementations§

impl Freeze for DoubleType

impl RefUnwindSafe for DoubleType

impl Send for DoubleType

impl Sync for DoubleType

impl Unpin for DoubleType

impl UnwindSafe for DoubleType

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> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. 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> IntoEither for T

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

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

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

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

impl<T> MaybeSendSync for T

impl<T> SliceAsBytesDataType for T
where T: DataType, <T as DataType>::T: SliceAsBytes,