.*, count(q.ritterID) from ritter as r left join quest as q on r.ritterID = q.ritterID group by r.ritterID如果我做了:select r.*, count(q.ritterID) from ritter as r left join quest as q on r.ritterID = q.ritterID whereweekofyear(datum) = weekofyear(now()) group by r.ritterID;
然后
.* from table1 a,table2 b where b.run_group=a.run_group and a.date<"7/22/2016" AND $CONDITIONS' --target-dir尝试了几种单引号/双引号和转义$CONDITIONS的组合,并使用了--where开关。
PS:条件是非数字的。(它适用于x<10之类的情况,但不适用于字符串或日期)
这种情况与有关has_many :through的条件是一致的,但我发现了另一个问题。id" = "group_contacts"."group_id" WHERE ("group_contacts".contact_id IN (...) AND ("contacts"."=> :group_challenges, :source => :group, :c