assert (v != null);
Set<DesignerEdge> edges = new HashSet<DesignerEdge>();
for (DesignerEdge e : this.getIncidentEdges(v)) {
PredicatePairs cset = e.getAttribute(EdgeAttributes.COLUMNSET);
assert (cset != null);
if (cset.findAll(catalog_col).isEmpty() == false) {
edges.add(e);
}
} // FOR
return (edges);
}