执行case语句时出错

我想执行case语句，但出现错误。这是我的查询执行case语句时出错

select LOSA_APP.app_ref_no AS "App.Ref.No.", CODE_BRANCH.branch_name AS "BRANCH" 
from losa_app LOSA_APP 
INNER JOIN 
    losa_app_z LOSA_APP_Z 
ON 
    losa_app.app_ref_no = losa_app_z.app_ref_no 
INNER JOIN 
    code_branch CODE_BRANCH 
ON 
    LOSA_APP.attend_branch = CODE_BRANCH.branch_id 
where 
    LOSA_APP.app_status='A' -- Application Status in {‘accepted’} 
and 
    trunc(sysdate) between (nvl(LOSA_APP_Z.li_dt, LOSA_APP_Z.li_collect_dt)) AND ((trunc(sysdate))) -- falling under the reporting period 
and 
    (trunc(sysdate) - nvl(losa_app_z.li_dt,losa_app_z.li_collect_dt)) > 90 -- select application cases at any step after entering Documentation flows. 
and 
    losa_app.product_type = 'MG' -- Select records based on input parameter value passed in. 
and 
    case :input1 
     when 'ABB' Then code_branch.branch_code1 like '%0232%' 
     when 'AiBB' Then code_branch.branch_code1 like '%0347%' 
    end

在执行时询问我输入。之后，它给了我错误

ORA-00905: missing keyword 
00905. 00000 - "missing keyword" 
*Cause:  
*Action: 
Error at Line: 22 Column: 50

线22 when 'ABB' Then code_branch.branch_code1 like '%0232%'

我缺少什么关键词？

谢谢

来源

2012-11-20 Basit

不要试图从CASE语句返回逻辑布尔值。

而是使CASE语句成为逻辑测试的一部分。如...

code_branch.branch_code1 
like 
case :input1 when 'ABB' Then '%0232%' 
      when 'AiBB' Then '%0347%' end

来源

2012-11-20 15:01:10 MatBailie

感谢您的回答和小费:);） – Basit

试试这个

SELECT .... 
FROM... 
WHERE .... 
AND 
(
    ((:input1 = 'ABB') AND code_branch.branch_code1 like '%0232%') OR 
    ((:input1 = 'AiBB') AND code_branch.branch_code1 like '%0347%') 
)

来源

2012-11-20 15:02:48

执行case语句时出错

回答

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