}
if (otherPropertyNum != -1)
{
if (otherStrictKeyProps[otherPropertyNum] != null) {
ExprIdentNode identNodeLookup = new ExprIdentNodeImpl(typesPerStream[lookupStream], keyProp, lookupStream);
ExprIdentNode identNodeOther = new ExprIdentNodeImpl(typesPerStream[otherStream], otherStrictKeyProps[otherPropertyNum], otherStream);
boolean added = queryGraph.addStrictEquals(lookupStream, keyProp, identNodeLookup, otherStream, otherStrictKeyProps[otherPropertyNum], identNodeOther);
if (added)
{
addedEquivalency = true;
}