Struct Float64BuilderWrapper 

pub struct Float64BuilderWrapper { /* private fields */ }

Builder wrapper for Arrow primitive arrays.

Implements HanaCompatibleBuilder for HANA value conversion.

Implementations

impl Float64BuilderWrapper

pub fn new(capacity: usize) -> Self

Create a new builder with the specified capacity.

pub fn default_capacity() -> Self

Create a builder with default capacity.

Trait Implementations

impl Debug for Float64BuilderWrapper

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl HanaCompatibleBuilder for Float64BuilderWrapper

fn append_hana_value(&mut self, value: &HdbValue<'_>) -> Result<()>

Append a HANA value to this builder.

fn append_null(&mut self)

Append a null value to this builder.

fn finish(&mut self) -> ArrayRef

Finish building and return the Arrow array.

fn len(&self) -> usize

Returns the number of values (including nulls) appended so far.

fn capacity(&self) -> Option<usize>

Returns the capacity hint for this builder, if known.

fn reset(&mut self)

Reset the builder, clearing all data while preserving capacity.

fn is_empty(&self) -> bool

Returns true if no values have been appended.