Enum ColumnData 

pub enum ColumnData {
    Float64(Vec<f64>),
    Int64(Vec<i64>),
    Str(Vec<String>),
    Bool(Vec<bool>),
}

A single column’s data

Variants

Float64(Vec<f64>)

64-bit floating point values

Int64(Vec<i64>)

64-bit signed integer values

Str(Vec<String>)

UTF-8 string values

Bool(Vec<bool>)

Boolean values

Implementations

impl ColumnData

pub fn len(&self) -> usize

Returns the number of values in this column

pub fn is_empty(&self) -> bool

Returns true if the column is empty

pub fn type_tag(&self) -> ColumnTypeTag

Returns the column type tag

pub fn as_f64(&self) -> Result<&[f64]>

Try to get f64 data

pub fn as_i64(&self) -> Result<&[i64]>

Try to get i64 data

pub fn as_str(&self) -> Result<&[String]>

Try to get string data

pub fn as_bool(&self) -> Result<&[bool]>

Try to get bool data

pub fn best_encoding(&self) -> EncodingType

Determine best encoding for this column’s data

Trait Implementations

impl Clone for ColumnData

fn clone(&self) -> ColumnData

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ColumnData

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

Formats the value using the given formatter.

impl Display for ColumnData

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

Formats the value using the given formatter.