title: Unlock Table from forUpdate lock
body: <p>I'm using "for update" to prevent race issues in my selection. You mention that The locks are saved in a table called "tableName_lock" with single column called is_locked that you need to set to 0 in order to release the lock.</p>
  
  <p>My table is called requests, so I created a table called "requests_lock" and created a column called is_locked. that table never gets updated when I use for update. Is there anything I'm missing here?</p>
  
  <pre><code>bookshelf.knex.transaction(function(trx) {
  
   var query = bookshelf.knex('requests').transacting(trx).forUpdate().select('requests.id', 'requests.CreatedTime').then(function (user_roles) {
              console.log('user_friends: %j', user_roles);  
  }).then(trx.commit)
    .catch(trx.rollback);
  });
  </code></pre>