Enum VirtualDataColumn 

pub enum VirtualDataColumn {
    Boolean(Vec<Option<bool>>),
    String(Vec<Option<String>>),
    Float(Vec<Option<f64>>),
    Integer(Vec<Option<i32>>),
    Datetime(Vec<Option<i64>>),
    IntegerIndex(Vec<Option<Vec<i32>>>),
    RowPath(Vec<Vec<Scalar>>),
}

A column of data returned from a virtual server query.

Each variant represents a different column type, containing a vector of optional values. None values represent null/missing data.

Variants

Boolean(Vec<Option<bool>>)

String(Vec<Option<String>>)

Float(Vec<Option<f64>>)

Integer(Vec<Option<i32>>)

Datetime(Vec<Option<i64>>)

IntegerIndex(Vec<Option<Vec<i32>>>)

RowPath(Vec<Vec<Scalar>>)

Implementations

impl VirtualDataColumn

pub fn is_empty(&self) -> bool

Returns true if the column contains no elements.

pub fn len(&self) -> usize

Returns the number of elements in the column.

Trait Implementations

impl Debug for VirtualDataColumn

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

Formats the value using the given formatter.

impl Serialize for VirtualDataColumn

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

where __S: Serializer,

Serialize this value into the given Serde serializer.