Package io.trino.benchto.driver.utils

Class CartesianProductUtils

java.lang.Object

io.trino.benchto.driver.utils.CartesianProductUtils

public final class CartesianProductUtils
extends Object

Utility class for computing cartesian product form a map of lists (multimap).

Method Summary

Modifier and Type	Method	Description
static <K, V> List<Map<K,V>>	cartesianProduct(Map<K,List<V>> map)	Computes cartesian product from a multimap.

Methods inherited from class java.lang.Object

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

Method Details

cartesianProduct

public static <K,
V> List<Map<K,V>> cartesianProduct(Map<K,List<V>> map)

Computes cartesian product from a multimap. For each combination of multimap values a map is created.