/**
* Update a record in the database.
*
* @param array $values Values to update
*
* @return int
*/
public function update(array $values)
{
$bindings = array_values(array_merge($values, $this->bindings));
$sql = $this->grammar->compileUpdate($this, $values);
return $this->connection->update($sql, $this->cleanBindings($bindings));
}