Enum ColumnStorageFormat 

pub enum ColumnStorageFormat {
    Zero,
    Constant,
    Rowed,
}

The possible ways a column can store data

Variants

Zero

No data is stored currently, but may have data in the future

Constant

A single value is stored

Rowed

A value is stored for every row of the table

Trait Implementations

impl Clone for ColumnStorageFormat

fn clone(&self) -> ColumnStorageFormat

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ColumnStorageFormat

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

Formats the value using the given formatter.

impl PartialEq for ColumnStorageFormat

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for ColumnStorageFormat

impl Eq for ColumnStorageFormat

impl StructuralPartialEq for ColumnStorageFormat