org.apache.calcite.plan.volcano

Class HazelcastRelSubsetUtil

java.lang.Object

org.apache.calcite.plan.volcano.HazelcastRelSubsetUtil

public final class HazelcastRelSubsetUtil
extends Object

Utility class to access package-private Calcite internals.

Method Summary

Modifier and Type	Method and Description
static List<org.apache.calcite.plan.volcano.RelSubset>	getSubsets(org.apache.calcite.rel.RelNode node) Gets all subsets from the node's set
static org.apache.calcite.rel.RelNode	unwrapSubset(org.apache.calcite.rel.RelNode node) If the node is a RelSubset, return the best rel from it.

Methods inherited from class java.lang.Object

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

Method Detail

getSubsets

public static List<org.apache.calcite.plan.volcano.RelSubset> getSubsets(org.apache.calcite.rel.RelNode node)

Gets all subsets from the node's set

unwrapSubset

public static org.apache.calcite.rel.RelNode unwrapSubset(org.apache.calcite.rel.RelNode node)

If the node is a RelSubset, return the best rel from it. Otherwise, return the node.