Function joins

tests/query_test.rs:273–297

()

#[test]
fn joins() {
    run_cases(vec![{
        let (e, a, n) = (1, 2, 3);
        Case {
            description: "[:find ?e ?n ?a :where [?e :age ?a] [?e :name ?n]]",
            plan: Plan::Project(Project {
                variables: vec![e, n, a],
                plan: Box::new(Plan::Join(Join {
                    variables: vec![e],
                    left_plan: Box::new(Plan::MatchA(e, ":name".to_string(), n)),
                    right_plan: Box::new(Plan::MatchA(e, ":age".to_string(), a)),
                })),
            }),
            transactions: vec![vec![
                TxData::add(1, ":name", String("Dipper".to_string())),
                TxData::add(1, ":age", Number(12)),
            ]],
            expectations: vec![vec![(
                vec![Eid(1), String("Dipper".to_string()), Number(12)],
                0,
                1,
            )]],
        }
    }]);
}

#[test]
fn wco_joins() {