Struct FrameSpec 

pub struct FrameSpec {
    pub frame_type: FrameType,
    pub start: FrameBound,
    pub end: FrameBound,
    pub exclude: FrameExclude,
}

Frame specification for window function

Fields

frame_type: FrameType

Frame type (ROWS, RANGE, GROUPS)

start: FrameBound

Start boundary

end: FrameBound

End boundary

exclude: FrameExclude

Exclude option (CURRENT ROW, GROUP, TIES, NO OTHERS)

Implementations

impl FrameSpec

pub fn entire_partition() -> Self

Create ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING

pub fn running() -> Self

Create ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW

pub fn sliding(n: i64) -> Self

Create ROWS BETWEEN n PRECEDING AND CURRENT ROW (sliding window)

Trait Implementations

impl Clone for FrameSpec

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FrameSpec

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

Formats the value using the given formatter.

impl Default for FrameSpec

fn default() -> Self

Default frame: RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW