Package org.apache.calcite.linq4j

Interface Grouping<K,V>

Type Parameters:

K - Key type

V - Element type

All Superinterfaces:

Enumerable<V>, ExtendedEnumerable<V>, Iterable<V>, RawEnumerable<V>

@Covariant(0)
public interface Grouping<K,V>
extends Enumerable<V>

Represents a collection of objects that have a common key.

Method Summary

Modifier and Type	Method	Description
K	getKey()	Gets the key of this Grouping.

Methods inherited from interface org.apache.calcite.linq4j.Enumerable

asQueryable

Methods inherited from interface org.apache.calcite.linq4j.ExtendedEnumerable

aggregate, aggregate, aggregate, all, any, any, asEnumerable, asofJoin, average, average, average, average, average, average, average, average, average, average, cast, concat, contains, contains, correlateJoin, count, count, defaultIfEmpty, defaultIfEmpty, distinct, distinct, elementAt, elementAtOrDefault, except, except, except, except, first, first, firstOrDefault, firstOrDefault, foreach, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupJoin, groupJoin, hashJoin, hashJoin, hashJoin, hashJoin, intersect, intersect, intersect, intersect, into, last, last, lastOrDefault, lastOrDefault, longCount, longCount, max, max, max, max, max, max, max, max, max, max, max, max, min, min, min, min, min, min, min, min, min, min, min, min, ofType, orderBy, orderBy, orderByDescending, orderByDescending, removeAll, reverse, select, select, selectMany, selectMany, selectMany, selectMany, sequenceEqual, sequenceEqual, single, single, singleOrDefault, singleOrDefault, skip, skipWhile, skipWhile, sortedGroupBy, sum, sum, sum, sum, sum, sum, sum, sum, sum, sum, take, takeWhile, takeWhile, toList, toLookup, toLookup, toLookup, toLookup, toMap, toMap, toMap, toMap, union, union, where, where, zip

Methods inherited from interface java.lang.Iterable

forEach, iterator, spliterator

Methods inherited from interface org.apache.calcite.linq4j.RawEnumerable

enumerator

Method Details

getKey

K getKey()

Gets the key of this Grouping.