Struct Column 

pub struct Column(/* private fields */);

Implementations

impl Column

pub fn from_data(data: Arc<dyn ColumnData>) -> Self

pub fn from_canonical(canon: Canonical) -> Self

pub fn from_column_buffer(buffer: ColumnBuffer) -> Self

pub fn data(&self) -> &dyn ColumnData

pub fn ty(&self) -> Type

pub fn is_nullable(&self) -> bool

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn encoding(&self) -> EncodingId

pub fn stats(&self) -> &StatsSet

pub fn nones(&self) -> Option<&NoneBitmap>

pub fn is_defined(&self, idx: usize) -> bool

pub fn get_value(&self, idx: usize) -> Value

pub fn iter(&self) -> Box<dyn Iterator<Item = Value> + '_>

pub fn as_string(&self, idx: usize) -> String

pub fn children(&self) -> &[Column]

pub fn metadata(&self) -> &dyn Any

pub fn to_canonical(&self) -> Result<Arc<Canonical>>

pub fn filter(&self, mask: &RowMask) -> Result<Column>

pub fn take(&self, indices: &Column) -> Result<Column>

pub fn slice(&self, start: usize, end: usize) -> Result<Column>

pub fn materialize(&mut self) -> Result<&mut Canonical>

Trait Implementations

impl Clone for Column

fn clone(&self) -> Column

Returns a duplicate of the value.

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

Performs copy-assignment from source.