Function chained_arrow_lowers_nested

nodedb-sql/src/resolver/expr/tests.rs:377–394

()

#[test]
fn chained_arrow_lowers_nested() {
    // data->'a'->'b' → pg_json_get(pg_json_get(data, 'a'), 'b')
    let expr = select_expr_lowered("SELECT data->'a'->'b' FROM t");
    match expr {
        SqlExpr::Function { name, ref args, .. } => {
            assert_eq!(name, "pg_json_get", "outer fn should be pg_json_get");
            match &args[0] {
                SqlExpr::Function {
                    name: inner_name, ..
                } => {
                    assert_eq!(inner_name, "pg_json_get", "inner fn should be pg_json_get");
                }
                other => panic!("expected inner pg_json_get, got {other:?}"),
            }
        }
        other => panic!("expected outer pg_json_get, got {other:?}"),
    }
}

// ── FTS operator / function lowering tests ────────────────────────────────