Function wco_join_many

tests/query_test.rs:379–427

()

#[test]
fn wco_join_many() {
    let data = vec![
        TxData::add(1, ":name", String("Ivan".to_string())),
        TxData::add(1, ":aka", String("ivolga".to_string())),
        TxData::add(1, ":aka", String("pi".to_string())),
        TxData::add(2, ":name", String("Petr".to_string())),
        TxData::add(2, ":aka", String("porosenok".to_string())),
        TxData::add(2, ":aka", String("pi".to_string())),
    ];

    let (e1, x, e2, n1, n2) = (0, 1, 2, 3, 4);

    run_cases(vec![Case {
        description:
            "[:find ?n1 ?n2 :where [?e1 :aka ?x] [?e2 :aka ?x] [?e1 :name ?n1] [?e2 :name ?n2]]",
        plan: q(
            vec![n1, n2],
            vec![
                Binding::attribute(e1, ":aka", x),
                Binding::attribute(e2, ":aka", x),
                Binding::attribute(e1, ":name", n1),
                Binding::attribute(e2, ":name", n2),
            ],
        ),
        transactions: vec![data.clone()],
        expectations: vec![vec![
            (
                vec![String("Ivan".to_string()), String("Ivan".to_string())],
                0,
                2,
            ),
            (
                vec![String("Petr".to_string()), String("Petr".to_string())],
                0,
                2,
            ),
            (
                vec![String("Ivan".to_string()), String("Petr".to_string())],
                0,
                1,
            ),
            (
                vec![String("Petr".to_string()), String("Ivan".to_string())],
                0,
                1,
            ),
        ]],
    }]);
}

// @TODO
// {