Struct WindowAgg 

pub struct WindowAgg {
    pub kind: WindowAggKind,
    pub input_column: String,
    pub output_column: String,
    pub filter: Option<WindowAggFilter>,
}

One aggregate in a windowed stream plan.

Fields

kind: WindowAggKind

input_column: String

output_column: String

filter: Option<WindowAggFilter>

Optional row predicate (FILTER (WHERE …) / CASE WHEN lowering); rows failing it do not feed this aggregate.

Implementations

impl WindowAgg

pub fn count(output_column: impl Into<String>) -> Self

pub fn with_filter(self, filter: WindowAggFilter) -> Self

Attach a row predicate to this aggregate.

Trait Implementations

impl Clone for WindowAgg

fn clone(&self) -> WindowAgg

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WindowAgg

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for WindowAgg

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for WindowAgg

impl PartialEq for WindowAgg

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for WindowAgg

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for WindowAgg