presto-main/src/main/java/io/prestosql/sql/rewrite/ShowStatsRewrite.java/ShowStatsRewrite/rewrite
class ShowStatsRewrite:    @Override
    public Statement rewrite(Session session, Metadata metadata, SqlParser parser, Optional<QueryExplainer> queryExplainer, Statement node, List<Expression> parameters, Map<NodeRef<Parameter>, Expression> parameterLookup, AccessControl accessControl, WarningCollector warningCollector)
    {
        return (Statement) new Visitor(metadata, session, parameters, queryExplainer, warningCollector).process(node, null);
    }