Mysql SQL-具有和分组的问题

嗨，我对一个曾经有效的查询有问题。我的SQL技能不是很好，不知道我缺少了什么。或者如果这是正确的方法。也许用临时表代替

基本要点是给定一个特定的时间框架，我需要计算5个班级的最高积分

测试分数-保留分数/分数， 试验、狗、人和成员表只是元数据

classId 5需要不同的日期范围

这是我对MySQL的查询

select
    t.id,
    d.id,
    p.id,
    p.firstname,
    p.lastname,
    d.id dogId,
    d.dogName,
    c.id,
    c.class,
    t.trialStartDate,
    s.points,
    if(c.id = 5, '2012-08-01', '2012-11-18') as startDate,
    if(c.id = 5, '2013-07-31', '2013-12-31') as endDate,
    SUM(ts.points) AS pointsAggregate
from trialScores ts
    inner join trials t on t.id = ts.trialId
    inner join dogs d on d.id = ts.dogId
    inner join people p on p.id = ts.personId
    inner join classes c on c.id = ts.classId
where t.deletedAt is null
    and ts.deletedAt is null
    and ts.memberAtTrial = 1
    and d.omitFromTripleCrownDOY = 0
    and t.associationId = 1           
GROUP BY p.id, ts.dogId, ts.classId
having t.trialStartDate between startDate and endDate
order by ts.classId, pointsAggregate desc

看来这已经解决了问题，在“选择”和“不在组中”中的内容太多了？：

 select
d.dogName,
c.class,
p.firstName,
p.lastName,    
SUM(ts.points) AS pointsAggregate
from trialScores ts
inner join trials t on t.id = ts.trialId
inner join dogs d on d.id = ts.dogId
inner join people p on p.id = ts.personId
inner join classes c on c.id = ts.classId
where t.deletedAt is null
and ts.deletedAt is null
and ts.memberAtTrial = 1
and d.omitFromTripleCrownDOY = 0
and t.associationId = 1 
and t.trialStartDate between if(c.id = 5, '2012-08-01', '2012-11-18') and if(c.id = 5, '2013-07-31', '2013-12-31')  
GROUP BY ts.dogId, ts.classId
order by ts.classId, pointsAggregate desc

---

你能试试下面的查询并告诉我它是否有效吗

select
d.dogName,
c.class,
p.firstName,
p.lastName,    
SUM(ts.points) AS pointsAggregate
from trialScores ts
inner join trials t on t.id = ts.trialId
inner join dogs d on d.id = ts.dogId
inner join people p on p.id = ts.personId
inner join classes c on c.id = ts.classId
where t.deletedAt is null
and ts.deletedAt is null
and ts.memberAtTrial = 1
and d.omitFromTripleCrownDOY = 0
and t.associationId = 1 
and t.trialStartDate between if(c.id = 5, '2012-08-01', '2012-11-18') and if(c.id = 5, '2013-07-31', '2013-12-31')  
GROUP BY ts.classId,p.firstName,p.lastName 
order by ts.classId, pointsAggregate desc

---

那么，如果查询出现任何错误，问题是什么？或者你没有得到预期的结果？你能提供一些样本数据和预期的结果吗？对不起，没有错误。。糟糕的结果。如果我手动查找数据并将其进行比较，有些人甚至会从我知道应该存在的结果中忽略。让我看看是否可以设置sqlfiddle，可能需要很长时间才能添加太多数据，但如果John有2个3和4的测试核心，Sue和classId 1的测试核心分别为5和6。比尔的测验分数是0分和15分，玛丽的测验分数是5分和5分。我想要的结果是：1班-苏11，约翰7-2班-比尔15，玛丽10等等…好吧，发生了什么，它给了我每班的第一名。所以我得到了5个结果，每堂课一个，加总积分最高。而总人数/人数远远不够。