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在MySQL数据库中获取每个团队的最后6条记录

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在MySQL数据库中获取每个团队的最后6条记录

这是使用的一种方法

user-defined variable

select MatchDate, HomeTeam, AwayTeam, HomeGoals, AwayGoalsfrom (  select     MatchDate, HomeTeam, AwayTeam, HomeGoals, AwayGoals,    @teamCounter:=IF(@prevHome=HomeTeam,@teamCounter+1,1) teamCounter,    @prevHome:=HomeTeam  from yourtable    join (select @teamCounter:=0) t  order by HomeTeam, MatchDate desc  ) t where teamCounter <= 6

SQL小提琴演示

这是小提琴的更新:

select team, MatchDate, HomeTeam, AwayTeam, HomeGoals, AwayGoalsfrom (  select     team, yourtable.MatchDate, HomeTeam, AwayTeam, HomeGoals, AwayGoals,    @teamCounter:=IF(@prevHome=team,@teamCounter+1,1) teamCounter,    @prevHome:=team  from yourtable    join (      select distinct matchdate, hometeam team      from yourtable      union       select distinct matchdate, awayteam      from yourtable    ) allgames on yourtable.matchdate = allgames.matchdate        and (yourtable.hometeam = allgames.team or yourtable.awayteam = allgames.team)    join (select @teamCounter:=0) t  order by team, yourtable.MatchDate desc  ) t where teamCounter <= 6order by team

更新了SQL Fiddle



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