Struct datafusion_row::writer::RowWriter

source · [−]

pub struct RowWriter { /* private fields */ }

Expand description

Reusable row writer backed by Vec

                            ┌ ─ ─ ─ ─ ─ ─ ─ ─
                                RowWriter    │
┌───────────────────────┐   │  [RowFormat]
│                       │                    │
│                       │   │(copy from Array
│                       │        to [u8])    │          ┌───────────────────────┐
│      RecordBatch      │   └ ─ ─ ─ ─ ─ ─ ─ ─           │       RowFormat       │
│                       │──────────────────────────────▶│        Vec<u8>        │
│   (... N Rows ...)    │                               │                       │
│                       │                               └───────────────────────┘
│                       │
│                       │
└───────────────────────┘

Implementations

impl RowWriter

pub fn new(schema: &Schema, row_type: RowType) -> Self

new

pub fn reset(&mut self)

Reset the row writer state for new tuple

pub fn get_row(&self) -> &[u8]ⓘNotable traits for &[u8]`impl Read for &[u8]impl Write for &mut [u8]`

Get raw bytes

Auto Trait Implementations

impl RefUnwindSafe for RowWriter

impl Send for RowWriter

impl Sync for RowWriter

impl Unpin for RowWriter

impl UnwindSafe for RowWriter

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

const: unstable · source

fn borrow(&self) -> &T

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

const: unstable · source

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

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> 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.

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

type Error = Infallible

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const: unstable · source

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.

const: unstable · 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,