protected function buildValuesArray() {

		foreach($this->whereClauses as $where) {

			if(is_null($where->value)) {
				continue;
			}
			if(is_array($where->value)) {
				$this->valuesToBind = array_merge($this->valuesToBind, $where->value);
			}
			else {
				$this->valuesToBind[] = $where->value;
			}

		}

	}