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>)

Column reader for boolean type

Int32ColumnReader(ColumnReaderImpl<Int32Type>)

Column reader for int32 type

Int64ColumnReader(ColumnReaderImpl<Int64Type>)

Column reader for int64 type

Int96ColumnReader(ColumnReaderImpl<Int96Type>)

Column reader for int96 type

FloatColumnReader(ColumnReaderImpl<FloatType>)

Column reader for float type

DoubleColumnReader(ColumnReaderImpl<DoubleType>)

Column reader for double type

ByteArrayColumnReader(ColumnReaderImpl<ByteArrayType>)

Column reader for byte array type

FixedLenByteArrayColumnReader(ColumnReaderImpl<FixedLenByteArrayType>)

Column reader for fixed length byte array type

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