Package org.apache.flink.table.runtime.functions

Interface Summary

Interface	Description
CleanupState	Base interface for clean up state, both for ProcessFunction and CoProcessFunction.

Class Summary

Class	Description
KeyedProcessFunctionWithCleanupState<K,IN,OUT>	A function that processes elements of a stream, and could cleanup state.
SqlDateTimeUtils	Utility functions for datetime types: date, time, timestamp.
SqlFunctionUtils	Built-in scalar runtime functions.
SqlLikeChainChecker	String Like util: Matches a chained sequence of checkers.
SqlLikeUtils	Utilities for converting SQL LIKE and SIMILAR operators to regular expressions.
SqlUnnestUtils	Utility for handling SQL's UNNEST.
SqlUnnestUtils.CollectionUnnestTableFunction	Table function that unwraps the elements of a collection (array or multiset).
SqlUnnestUtils.MapUnnestTableFunction	Table function that unwraps the elements of a map.
SqlUnnestUtils.UnnestTableFunction	Base table function for all unnest functions.