Package org.apache.calcite.rel.rules

Class ConflictRule

java.lang.Object

org.apache.calcite.rel.rules.ConflictRule

public class ConflictRule
extends Object

A conflict rule (CR) is a pair of table sets denoted by T1 → T2, which means that if T1 intersects with the table under the join operator, T2 must be included in this join. With every hyperedge in hypergraph, we associate a set of conflict rules.

See Also:

• HyperEdge
• ConflictDetectionHelper

Constructor Summary

Constructors

Constructor	Description
ConflictRule(long from, long to)

Method Summary

Modifier and Type	Method	Description
ConflictRule	shift(int offset)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

ConflictRule

public ConflictRule(long from,
 long to)

Method Details

toString

public String toString()

Overrides:

toString in class Object

shift

public ConflictRule shift(int offset)