saffron.rel
Class Intersect

java.lang.Object
  |
  +--saffron.rel.Rel
        |
        +--saffron.rel.Union
              |
              +--saffron.rel.Intersect

public class Intersect

extends Union

todo:

Since:

23 September, 2001

Version:

$Id: //open/saffron/src/main/saffron/rel/Intersect.java#1 $

Author:

jhyde

Nested Class Summary

Nested classes inherited from class saffron.rel.Union

Nested classes inherited from class saffron.rel.Rel

Field Summary

Fields inherited from class saffron.rel.Union

all, inputs

Fields inherited from class saffron.rel.Rel

cluster, digest, emptyArray, id, nextId, rowType

Constructor Summary

Intersect(Cluster cluster, Rel left, Rel right)

Methods inherited from class saffron.rel.Union

clone, deriveRowType, explain, getInputs, getRows, isDistinct, register, replaceInput

Methods inherited from class saffron.rel.Rel

childrenAccept, computeDigest, computeSelfCost, getChildExps, getCluster, getConvention, getCorelVariable, getEnvironment, getId, getInput, getOrCreateCorelVariable, getParentEnv, getQualifier, getQuery, getRelTypeName, getRowType, getTable, getType, getVariablesStopped, implement, implementExp, implementExps, implementFieldAccess, implementSelf, isAccessTo, onRegister, recomputeDigest, registerCorelVariable, setCorelVariable, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Intersect

public Intersect(Cluster cluster,
                 Rel left,
                 Rel right)