同様のエラーで多くの既存の質問をチェックしていましたが、ケースで選択したエラーを解決するのに役立つ回答が見つかりません
select
case
when e.EthnCode in ('N','A','B','P','W') then ethnicity
else 'Multi'
end as Ethnicity,
case when cat.CategCode IN ('CH','IN','NB','PG','PP','SR')then Category else 0 end as ' ',
--COUNT (c.EthnCode) as '(A) tottal Numbers of participamts by Rase',
sum(case when C.StatusID =1 or C.StatusID =2 then 1 else 0 end),
sum(case when c.Hispanic then 1 else 0 end) as 'Hisp'
from Ethnicity E
LEFT JOIN Clients C
ON c.EthnCode = e.EthnCode
LEFT join Category cat
ON c.CategCode = cat.CategCode
where c.StatusID = 1
group by case
when e.EthnCode in ('N','A','B','P','W') then ethnicity
else 'Balance Reporting More Than One Race'
end
そしてそれはエラーをスローします
Msg 4145, Level 15, State 1, Line 9
An expression of non-boolean type specified in a context where a condition is expected, near 'then'.
9号線
sum(case when c.Hispanic then 1 else 0 end) as 'Hisp'
それはヒスパニックに下線を引いています助けが必要です:)