Vector dependendantKeys=(Vector)dependendKeysPerKey.get(rhsKey);
if (dependendantKeys==null) {
dependendantKeys=new Vector();
dependendKeysPerKey.put(rhsKey,dependendantKeys);
}
ERDQualifierTraversal.traverseQualifier(r.lhs(),c);
for (Enumeration e2=c.keys.objectEnumerator(); e2.hasMoreElements(); ) {
String k=(String)e2.nextElement();
_addKeyToVector(k,dependendantKeys);
}
// also add those from the assignment