presto-main/src/main/java/io/prestosql/sql/planner/optimizations/UnaliasSymbolReferences.java/Rewriter/visitDelete
class Rewriter:        @Override
        public PlanNode visitDelete(DeleteNode node, RewriteContext<Void> context)
        {
            return new DeleteNode(node.getId(), context.rewrite(node.getSource()), node.getTarget(), canonicalize(node.getRowId()), node.getOutputSymbols());
        }