I currently have a database of people with each individual person and they hold a status value. I am trying to change their status value.
  const id = parseInt(req.params.id , 10);
  const { valid, messageObj } = validateId(id);
  if (!valid) {
    res.status(400).send(messageObj);
  }
  let { status, priority } = req.body;
  let people = db.prepare('select * from people').all();
  const person = people.find(person => person.id === id);    
  if(status !== 'none' & status == 'ready' || status == 'done'){
    let updates = db.query(
        'UPDATE people SET ? WHERE ?', 
         [{ status: status }, { id: id }]
    );
  }
I keep getting an error of db.query is not a function but I get that for every function that I try. 
Pretty new to SQL but just trying to figure this out or any documentation that will help me as the better-sqlite3 doesn't have any update functions in the official documentation.
I cannot find a function called query() in the better-sqlite3 API for the Database class. I think that you would need to prepare() a Statement object, then run() it.
Also, column names cannot be passed as bound parameters. Your query should look like:
UPDATE people SET status = ? WHERE name = ?
You would need to change this:
let updates = 
    db.query('UPDATE people SET ? WHERE ?', [{ status: status }, { id: id }]);
To:
const stmt = db.prepare('UPDATE people SET status = ? WHERE id = ?'); 
const updates = stmt.run(status, id);
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