private function _buildQueryParams() {
		$query = [];

		$this->_where = is_array($this->_where) ? $this->_where : [];
		foreach ($this->_where as $key => $val) {
			$query[$key] = is_numeric($val) ? (int) $val : $val;
		}

		if(count($this->_select)) {
			$query[$this->selectFieldsKey] = implode(',', $this->_select);
		}
		if($this->_limit !== null) {
			$query[$this->limitKey] = $this->_limit;
		}
		if($this->_offset !== null) {
			$query[$this->offsetKey] = $this->_offset;
		}

		return $query;
	}