private function getInsertClause()
	{
		$columns = [];
		$values = [];

		foreach ($this->values as $key => $value) {
			$columns[] = $key;
			$values[] = sprintf('%s', $value);
		}

		return sprintf('INSERT INTO %s (%s) VALUES (%s)', $this->table, implode(', ', $columns), implode(', ', $values));
	}