Struct ExprAdapter

pub struct ExprAdapter<V: VTable>(/* private fields */);

Trait Implementations

impl<V: VTable> AnalysisExpr for ExprAdapter<V>

fn stat_falsification(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef>

An expression over zone-statistics which implies all records in the zone evaluate to false.

fn max(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef>

An expression for the upper non-null bound of this expression, if available.

fn min(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef>

An expression for the lower non-null bound of this expression, if available.

fn nan_count(&self, catalog: &mut dyn StatsCatalog) -> Option<ExprRef>

An expression for the NaN count for a column, if available.

fn field_path(&self) -> Option<FieldPath>

impl<V: Clone + VTable> Clone for ExprAdapter<V>

where V::Expr: Clone,

fn clone(&self) -> ExprAdapter<V>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<V: VTable> Debug for ExprAdapter<V>

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

Formats the value using the given formatter.

impl<V: VTable> Display for ExprAdapter<V>

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

Formats the value using the given formatter.

impl<V: VTable> Hash for ExprAdapter<V>

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<V: VTable> PartialEq for ExprAdapter<V>

fn eq(&self, other: &Self) -> 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<V: VTable> VortexExpr for ExprAdapter<V>

fn as_any(&self) -> &dyn Any

Convert expression reference to reference of Any type

fn to_expr(&self) -> ExprRef

Convert the expression to an ExprRef.

fn encoding(&self) -> ExprEncodingRef

Return the encoding of the expression.

fn metadata(&self) -> Option<Vec<u8>>

Serialize the metadata of this expression into a bytes vector.

fn unchecked_evaluate(&self, ctx: &Scope) -> VortexResult<ArrayRef>

Compute result of expression on given batch producing a new batch

fn children(&self) -> Vec<&ExprRef>

Returns the children of this expression.

fn with_children( self: Arc<Self>, children: Vec<ExprRef>, ) -> VortexResult<ExprRef>

Returns a new instance of this expression with the children replaced.

fn return_dtype(&self, scope: &DType) -> VortexResult<DType>

Compute the type of the array returned by VortexExpr::evaluate.

impl<V: VTable> Eq for ExprAdapter<V>