Struct WindowSpec

pub struct WindowSpec {
    pub partition_spec: Vec<Expression>,
    pub order_spec: Vec<SortOrder>,
    pub frame_spec: Option<Box<WindowFrame>>,
}

A window specification that defines the partitioning, ordering, and frame boundaries.

Recommended to create a WindowSpec using Window and not directly

Fields

partition_spec: Vec<Expression>

order_spec: Vec<SortOrder>

frame_spec: Option<Box<WindowFrame>>

Implementations

impl WindowSpec

pub fn new( partition_spec: Vec<Expression>, order_spec: Vec<SortOrder>, frame_spec: Option<Box<WindowFrame>>, ) -> WindowSpec

pub fn partition_by<I: ToVecExpr>(self, cols: I) -> WindowSpec

pub fn order_by<I, T>(self, cols: I) -> WindowSpec

where T: ToExpr, I: IntoIterator<Item = T>,

pub fn rows_between(self, start: i64, end: i64) -> WindowSpec

pub fn range_between(self, start: i64, end: i64) -> WindowSpec

Trait Implementations

impl Clone for WindowSpec

fn clone(&self) -> WindowSpec

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for WindowSpec

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

Formats the value using the given formatter.

impl Default for WindowSpec

fn default() -> WindowSpec

Returns the “default value” for a type.