Function extract_plain_aggregate

nodedb-sql/src/aggregate_walk.rs:320–326

()

    #[test]
    fn extract_plain_aggregate() {
        let aggs =
            extract_aggregates(&first_expr("SELECT SUM(x) FROM t"), "total", &functions()).unwrap();
        assert_eq!(aggs.len(), 1);
        assert_eq!(aggs[0].function, "sum");
        assert_eq!(aggs[0].alias, "total");
    }

    #[test]
    fn extract_aggregate_inside_cast() {