Package com.sap.cds.ql.cqn.transformation

Interface CqnTopTransformation

All Superinterfaces:

CqnTransformation, JSONizable

@Beta
public interface CqnTopTransformation
extends CqnTransformation

Transformation that limits the input set to a maximum number of rows

Nested Class Summary

Nested classes/interfaces inherited from interface com.sap.cds.ql.cqn.transformation.CqnTransformation

CqnTransformation.Kind

Field Summary

Fields inherited from interface com.sap.cds.ql.cqn.transformation.CqnTransformation

IDENTITY

Method Summary

Modifier and Type	Method	Description
default void	accept(CqnTransformationVisitor visitor)
default CqnTransformation.Kind	kind()	Returns the kind of this transformation
long	top()	Returns the maximum number of rows to be returned

Methods inherited from interface com.sap.cds.ql.cqn.transformation.CqnTransformation

rowType, toJson

Method Details

top

long top()

Returns the maximum number of rows to be returned

Returns:

the maximum number of rows to be returned or -1 if unlimited

kind

default CqnTransformation.Kind kind()

Description copied from interface: CqnTransformation

Returns the kind of this transformation

Specified by:

kind in interface CqnTransformation

Returns:

the kind of this transformation

accept

default void accept(CqnTransformationVisitor visitor)

Specified by:

accept in interface CqnTransformation