FrameBoundary class

Defines how many rows before or after a current row should be included in a window.

Constructors

FrameBoundary.currentRow()

FrameBoundary.following(Expression amount)

FrameBoundary.preceding(Expression amount)

FrameBoundary.unboundedFollowing()

FrameBoundary.unboundedPreceding()

Properties

following → bool

no setter

hashCode → int

The hash code for this object.

no setter, override

isCurrentRow → bool

Whether this boundary only refers to the current row.

no setter

isExpressionOffset → bool

Whether this boundary is a <expr> PRECEDING or <expr> FOLLOWING boundary.

no setter

isUnbounded → bool

Whether this boundary is a UNBOUNDED PRECEDING or UNBOUNDED FOLLOWING.

no setter

offset ↔ Expression?

The (integer) expression that specifies the amount of rows to include before or after the row being processed.

getter/setter pair

preceding → bool

Whether this boundary refers to a row before the current row.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

override