pub struct BatchEncoder {
pub field_encoders: Vec<Box<dyn FieldEncoder>>,
pub field_id_to_column_index: Vec<(u32, u32)>,
}
Expand description
A batch encoder that encodes RecordBatch objects by delegating to field encoders for each top-level field in the batch.
Fields§
§field_encoders: Vec<Box<dyn FieldEncoder>>
§field_id_to_column_index: Vec<(u32, u32)>
Implementations§
Source§impl BatchEncoder
impl BatchEncoder
pub fn try_new( schema: &Schema, strategy: &dyn FieldEncodingStrategy, options: &EncodingOptions, ) -> Result<Self>
pub fn num_columns(&self) -> u32
Auto Trait Implementations§
impl Freeze for BatchEncoder
impl !RefUnwindSafe for BatchEncoder
impl Send for BatchEncoder
impl !Sync for BatchEncoder
impl Unpin for BatchEncoder
impl !UnwindSafe for BatchEncoder
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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