Enum ColumnValue 

pub enum ColumnValue {
    Null,
    Int(i64),
    Float(f64),
    Utf8(String),
    Boolean(bool),
}

A single cell value in an InMemoryTable.

Variants

Null

NULL / missing

Int(i64)

64-bit signed integer

Float(f64)

64-bit floating point

Utf8(String)

UTF-8 string

Boolean(bool)

Boolean

Implementations

impl ColumnValue

pub fn column_type(&self) -> ColumnType

Return the column type for this value.

pub fn as_f64(&self) -> Option<f64>

Try to extract as f64 (for aggregation).

pub fn as_i64(&self) -> Option<i64>

Try to extract as i64.

pub fn partial_cmp_value(&self, other: &Self) -> Option<Ordering>

Partial comparison for ordering.

pub fn to_json(&self) -> Value

Convert to JSON value.

pub fn from_json(v: &Value, col_type: &ColumnType) -> Self

Try to convert from a JSON value.

Trait Implementations

impl Clone for ColumnValue

fn clone(&self) -> ColumnValue

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnValue

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ColumnValue

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for ColumnValue

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

Formats the value using the given formatter.

impl PartialEq for ColumnValue

fn eq(&self, other: &ColumnValue) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for ColumnValue

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ColumnValue