org.apache.flink.table.runtime.functions

Class SqlUnnestUtils

java.lang.Object

org.apache.flink.table.runtime.functions.SqlUnnestUtils

@Internal
public final class SqlUnnestUtils
extends Object

Utility for handling SQL's UNNEST.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SqlUnnestUtils.CollectionUnnestTableFunction Table function that unwraps the elements of a collection (array or multiset).
static class	SqlUnnestUtils.MapUnnestTableFunction Table function that unwraps the elements of a map.
static class	SqlUnnestUtils.UnnestTableFunction Base table function for all unnest functions.

Method Summary

Modifier and Type	Method and Description
static SqlUnnestUtils.UnnestTableFunction	createUnnestFunction(org.apache.flink.table.types.logical.LogicalType t)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createUnnestFunction

public static SqlUnnestUtils.UnnestTableFunction createUnnestFunction(org.apache.flink.table.types.logical.LogicalType t)