com.metamatrix.query.optimizer.relational.rules
Class FrameUtil

java.lang.Object
  com.metamatrix.query.optimizer.relational.rules.FrameUtil

public class FrameUtil
extends java.lang.Object

Constructor Summary

FrameUtil()

Method Summary

static java.util.Map<ElementSymbol,Expression>

buildSymbolMap(GroupSymbol oldGroup, GroupSymbol newGroup, QueryMetadataInterface metadata) creates a symbol map of elements in oldGroup mapped to corresponding elements in newGroup if newGroup is null, then a mapping of oldGroup elements to null constants will be returned

Methods inherited from class java.lang.Object

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

Constructor Detail

FrameUtil

public FrameUtil()

Method Detail

buildSymbolMap

public static java.util.Map<ElementSymbol,Expression> buildSymbolMap(GroupSymbol oldGroup,
                                                                     GroupSymbol newGroup,
                                                                     QueryMetadataInterface metadata)
                                                              throws QueryMetadataException,
                                                                     MetaMatrixComponentException

creates a symbol map of elements in oldGroup mapped to corresponding elements in newGroup if newGroup is null, then a mapping of oldGroup elements to null constants will be returned

Parameters:

oldGroup -

newGroup -

metadata -

Returns:

Throws:

QueryMetadataException

MetaMatrixComponentException