我有以下 SQL 脚本,它在排行榜表中对一组用户进行排名。
UPDATE leaderboard
JOIN (SELECT f.winnings ,
IF (@lastPoint <> f.winnings,
@curRank := @curRank +1,
@curRank) AS rank,
@lastPoint := f.winnings
FROM leaderboard f
JOIN (SELECT @curRank := 0, @lastPoint := 0) r
WHERE f.competition =5
ORDER BY f.winnings DESC
) ranks ON (ranks.winnings = leaderboard.winnings)
SET leaderboard.rank = ranks.rank WHERE leaderboard.id =89;
但是,当所有用户的排名为 0 时,它不会将他们排名为 1(即相等),这种行为仅发生在 0 中。
winnings rank
0 0
0 0
0 0
有人知道该怎么做吗..?
winnings rank
0 1
0 1
0 1
SQL FIDDLE http://sqlfiddle.com/#!2/53c3a/1