risingwave_stream::executor::over_window::frame_finder

Function merge_rows_frames

source 
pub(super) fn merge_rows_frames(
    rows_frames: &[&RowsFrameBounds],
) -> RowsFrameBounds
Expand description

Merge several ROWS frames into one super frame. The returned super frame is guaranteed to be canonical, which means that the CURRENT ROW is always included in the returned frame.