Enum parquet::column::reader::ColumnReader

pub enum ColumnReader {
    BoolColumnReader(ColumnReaderImpl<BoolType>),
    Int32ColumnReader(ColumnReaderImpl<Int32Type>),
    Int64ColumnReader(ColumnReaderImpl<Int64Type>),
    Int96ColumnReader(ColumnReaderImpl<Int96Type>),
    FloatColumnReader(ColumnReaderImpl<FloatType>),
    DoubleColumnReader(ColumnReaderImpl<DoubleType>),
    ByteArrayColumnReader(ColumnReaderImpl<ByteArrayType>),
    FixedLenByteArrayColumnReader(ColumnReaderImpl<FixedLenByteArrayType>),
}

Expand description

Column reader for a Parquet type.

Variants§

BoolColumnReader(ColumnReaderImpl<BoolType>)

Int32ColumnReader(ColumnReaderImpl<Int32Type>)

Int64ColumnReader(ColumnReaderImpl<Int64Type>)

Int96ColumnReader(ColumnReaderImpl<Int96Type>)

FloatColumnReader(ColumnReaderImpl<FloatType>)

DoubleColumnReader(ColumnReaderImpl<DoubleType>)

ByteArrayColumnReader(ColumnReaderImpl<ByteArrayType>)

FixedLenByteArrayColumnReader(ColumnReaderImpl<FixedLenByteArrayType>)

Auto Trait Implementations§

impl !Freeze for ColumnReader

impl !RefUnwindSafe for ColumnReader

impl Send for ColumnReader

impl !Sync for ColumnReader

impl Unpin for ColumnReader

impl !UnwindSafe for ColumnReader

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