Struct HistogramArray 

pub struct HistogramArray { /* private fields */ }

An array of histograms.

Implementations

impl HistogramArray

pub fn new(inner: Arc<StructArray>) -> HistogramArray

pub fn inner(&self) -> Arc<StructArray>

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn get_start(&self, index: usize) -> Result<f64, DataFusionError>

pub fn get_end(&self, index: usize) -> Result<f64, DataFusionError>

pub fn get_min(&self, index: usize) -> Result<f64, DataFusionError>

pub fn get_max(&self, index: usize) -> Result<f64, DataFusionError>

pub fn get_sum(&self, index: usize) -> Result<f64, DataFusionError>

pub fn get_sum_sq(&self, index: usize) -> Result<f64, DataFusionError>

pub fn get_count(&self, index: usize) -> Result<u64, DataFusionError>

pub fn get_bins( &self, index: usize, ) -> Result<PrimitiveArray<UInt64Type>, DataFusionError>

Trait Implementations

impl Debug for HistogramArray

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

Formats the value using the given formatter.

impl TryFrom<&Arc<dyn Array>> for HistogramArray

type Error = DataFusionError

The type returned in the event of a conversion error.

fn try_from( value: &Arc<dyn Array>, ) -> Result<HistogramArray, <HistogramArray as TryFrom<&Arc<dyn Array>>>::Error>

Performs the conversion.

impl TryFrom<&ColumnarValue> for HistogramArray

type Error = DataFusionError

The type returned in the event of a conversion error.

fn try_from( value: &ColumnarValue, ) -> Result<HistogramArray, <HistogramArray as TryFrom<&ColumnarValue>>::Error>

Performs the conversion.

impl TryFrom<&dyn Array> for HistogramArray

type Error = DataFusionError

The type returned in the event of a conversion error.

fn try_from( value: &dyn Array, ) -> Result<HistogramArray, <HistogramArray as TryFrom<&dyn Array>>::Error>

Performs the conversion.