presto-main/src/main/java/io/prestosql/sql/planner/optimizations/PredicatePushDown.java/PredicatePushDown/visitAssignUniqueId
class PredicatePushDown:        @Override
        public PlanNode visitAssignUniqueId(AssignUniqueId node, RewriteContext<Expression> context)
        {
            Set<Symbol> predicateSymbols = SymbolsExtractor.extractUnique(context.get());
            checkState(!predicateSymbols.contains(node.getIdColumn()), "UniqueId in predicate is not yet supported");
            return context.defaultRewrite(node, context.get());
        }