'='附近的语法错误错误CASE语句

Question

我试图添加这些case语句（CASE WHEN adj.adjcat ='WRITE_OFF'THEN adj.amt）作为'WriteOff'给我的代码我得到一个不正确的sytax附近'）'错误。 消息102，级别15，状态1，行18

如果字段adj.adjcat然后write_off把值从adj.amt列核销 用下面的代码我希望发生的是：

SELECT 
ar.UCI 
,ar.reportmonth 
,(case when ar.transagebucket < 1 then '0_30' 
    when ar.transagebucket = 1 then '31_60' 
    when ar.transagebucket = 2 then '61_90' 
    when ar.transagebucket = 3 then '91_120' 
    when ar.transagebucket = 4 then '121_150' 
    when ar.transagebucket = 5 then '151_180' 
    else 'Over180' end) as AgeBucket 
,ar.PatName as PatientName 
,ar.AcctNu as AccountNumber 
,Convert (varchar(10),ar.dos,101) as Svc_Date 
,ar.cptdisplay 
,(ins.insdesc+ ' - ' +ins.insmne) as Insurance 
,Sum(ar.chgamt) as ChgAmt 
,ISNULL(Sum(pmt.pmtamt),0) as PmtAmt 
,(CASE WHEN adj.adjcat = 'WRITE_OFF' THEN adj.amt) as 'WriteOff' 
,(CASE WHEN adj.adjcat = 'DEBIT' THEN adj.amt) as 'Debit' 
,(CASE WHEN adj.adjcat = 'ADMIN_ADJ' THEN adj.amt) as 'AdminAdj'  
,ISNULL((ar.curbal),0) as CurBal 
FROM 
rpt_dat_ARDetail ar 
LEFT JOIN rpt_dat_PmtDetail pmt ON ar.clntid = pmt.clntid 
AND ar.AcctNu = pmt.AcctNu  
and ar.dos = pmt.dos and ar.reportmonth = pmt.reportmonth and ar.chgamt = pmt.chgamt 
and ar.curbal = pmt.curbal 
LEFT JOIN rpt_dat_AdjustmentDetail adj ON ar.clntid = adj.clntid 
AND ar.aid = adj.aid AND ar.dos = adj.dos 
INNER JOIN rpt_dic_Ins ins ON ar.insmne = ins.insmne AND ar.clntid = ins.clntid 

Answer 1

您错过了END。你也应该避免'single quote'别名和使用[square brackets]代替：

(CASE WHEN adj.adjcat = 'WRITE_OFF' THEN adj.amt END) as [WriteOff] 

Answer 2

应该有

(CASE WHEN adj.adjcat = 'WRITE_OFF' THEN adj.amt END) as 'WriteOff' 

OR

(CASE WHEN adj.adjcat = 'WRITE_OFF' THEN adj.amt ELSE '' END) as 'WriteOff' 

，而不是

(CASE WHEN adj.adjcat = 'WRITE_OFF' THEN adj.amt) as 'WriteOff' 

同对于Debit和AdminAdj。