程序包 org.apache.flink.table.runtime.operators.rank

接口概要

接口	说明
RankRange	RankRange for Rank, including following 3 types : ConstantRankRange, ConstantRankRangeWithoutEnd, VariableRankRange.

类概要

类	说明
AbstractTopNFunction	Base class for TopN Function.
AppendOnlyTopNFunction	A TopN function could handle insert-only stream.
ConstantRankRange	rankStart and rankEnd are inclusive, rankStart always start from one.
ConstantRankRangeWithoutEnd	ConstantRankRangeWithoutEnd is a RankRange which not specify RankEnd.
RetractableTopNFunction	A TopN function could handle updating stream.
UpdatableTopNFunction	A TopN function could handle updating stream.
VariableRankRange	changing rank limit depends on input.

枚举概要

枚举	说明
RankType	An enumeration of rank type, usable to show how exactly generate rank number.