Q&A for Ubuntu users and developers
SELECT POSTID, SUM(CASE WHEN VOTETYPEID = 2 THEN 1 ELSE 0 END) AS UPVOTES, SUM(CASE WHEN VOTETYPEID = 3 THEN 1 ELSE 0 END) AS DOWNVOTES FROM VOTES WHERE VOTETYPEID IN (2,3) GROUP BY POSTID ORDER BY UPVOTES DESC