Package org.apache.flink.table.runtime.operators.rank

Interface Summary

Interface	Description
RankRange	RankRange for Rank, including following 3 types : ConstantRankRange, ConstantRankRangeWithoutEnd, VariableRankRange.

Class Summary

Class	Description
AbstractTopNFunction	Base class for TopN Function.
AppendOnlyTopNFunction	The function could and only could handle append input stream.
ConstantRankRange	rankStart and rankEnd are inclusive, rankStart always start from one.
ConstantRankRangeWithoutEnd	ConstantRankRangeWithoutEnd is a RankRange which not specify RankEnd.
RetractableTopNFunction	The function could handle retract stream.
UpdatableTopNFunction	The function could handle update input stream.
VariableRankRange	changing rank limit depends on input.

Enum Summary

Enum	Description
RankType	An enumeration of rank type, usable to show how exactly generate rank number.