const query = () => {
    return new Promise((resolve) => {
        setTimeout(() => {
            console.log("executing query");
            resolve("executed query")
        },
    5000)
    });
};

let promise = new Promise((resolve) => {
    resolve(null)
});

promise = promise.then(() => {
    return query()
        .then(() => {
            return new Promise((resolve) => {setTimeout(() => {
                console.log("promise 1");
                resolve("promise 1");
            },
            2000
            )} )
        })
});

promise = promise.then(() => {
    return query()
        .then(() => {
            return new Promise((resolve) => {setTimeout(() => {
                console.log("promise 2");
                resolve("promise 2");
            },
            1000
            )} )
        })
});

promise.then(() => {
    console.log("finished promises");
})