boundary property

FrameBoundary boundary
final

Optional frame boundary that defines which rows to include in the window calculations relative to the current row.

If not specified, defaults to a RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW.

Usage:

// RANGE Boundary
 boundary: FrameBoundary.range(),

// ROWS Boundary
 boundary: FrameBoundary.rows(),

// GROUPS Boundary
 boundary: GroupFrameBoundary(),

Implementation

final FrameBoundary boundary;