Struct Column

pub struct Column { /* private fields */ }

Implementations

impl Column

pub fn new_expr(field: Field) -> ExprRef

pub fn field(&self) -> &Field

Trait Implementations

impl Clone for Column

fn clone(&self) -> Column

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Column

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

Formats the value using the given formatter.

impl Display for Column

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

Formats the value using the given formatter.

impl From<String> for Column

fn from(value: String) -> Self

Converts to this type from the input type.

impl From<usize> for Column

fn from(value: usize) -> Self

Converts to this type from the input type.

impl Hash for Column

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq<dyn Any> for Column

fn eq(&self, other: &dyn Any) -> 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 PartialEq for Column

fn eq(&self, other: &Column) -> 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 VortexExpr for Column

fn as_any(&self) -> &dyn Any

Convert expression reference to reference of Any type

fn evaluate(&self, batch: &ArrayData) -> VortexResult<ArrayData>

Compute result of expression on given batch producing a new batch

fn collect_references<'a>(&'a self, references: &mut HashSet<&'a Field>)

Accumulate all field references from this expression and its children in the provided set

fn references(&self) -> HashSet<&Field>

Accumulate all field references from this expression and its children in a new set

impl Eq for Column

impl StructuralPartialEq for Column