public function where($column, $operator, $value, $separator = false)
{
if (is_string($value)) {
$value_arr = explode('.', $value);
if (count($value_arr) > 1) {
if (array_search($value_arr[0], $this->tables) !== false) {
$this->isQuotes = false;
}
}
}
$this->criteria[] = $this->createCriteria($column, $operator, $value, $separator);
$this->isQuotes = true;
return $this;
}