"CASE WHEN 1=0 THEN.......ELSE....END"??

This might be very basic question still I'm confused about it.
Can you please explain me "CASE WHEN 1=0 THEN.......ELSE....END"?
Where and why to use this statement??
Help appreciated.

First let's break down what it means. Since 1 is never equal to 0, OBI will ignore what comes immediately after and execute what comes after the ELSE.
So why would we want to do this? Well, often we want to perform some action that has nothing to do with a particular column in our subject area. By using this CASE statement, we trick OBI into thinking we are using a column for a calculation or action, but in effect, the column is unchanged.
For example, suppose you were building a dashboard prompt. You want to use a column twice in your dashboard prompt, say an ACCOUNT_OPEN_DATE column to get a range of dates. You cannot use the same column twice in a dashboard prompt. (Try it, OBI will ignore your attempt to put the same column twice into your workspace.)
So what do you do? First you get a column (in this example, I'm using a CHAR column) like Branch Name. It doesn't matter what column you use. The CHAR is used so the syntax makes sense.
You move the column to your workspace. Now you click on the Edit Formula and you type CASE WHEN 1=0 THEN Organization."Branch Name" ELSE 'TEST' END.
So in this case, the values of Branch Name are unaffected and the dummy column just represents the word 'TEST.' Now in the "Show" part of the prompt, we switch to "SQL Results" and type SELECT "Account Attributes".Account_Open_Date FROM Subject Area and set this to a PV called StartDate.
Because the column is a dummy, you can actually call it again. Use the same CASE statement to make it a "dummy" column. Then use the same SQL you used above, but this time save it to a PV called EndDate.
Now you have two date values you can use on your ACCOUNT_OPEN_DATE column to get a range of dates.
So, in conclusion, normally you choose a column from your subject area, because you need the values of that column in your report. But when you just need a column to do something unrelated to any column, you use the CASE 1=0 to make it a "dummy" column and then you can perform your action.
HTH,

Similar Messages

'max case when...then' does it work in Desktop reports as a calculation?

Hi!
I've used 'max case when...then' in my SQL in Admin edition. It works fine. However when I try to use it as a part of my calculation:
MAX(CASE
WHEN (:Payroll Month 1 - Gross Sal)
THEN TO_NUMBER(NVL("Gross Salary ".Basic Salary, 0)) Else 0 END)
in this manner, it gives me the error message that
'Error in formula - Unexpected end of formula - syntax error : Token THEN at position 52'
Can someone guide me please?
Thanks and regards,
Aparna

Aparna.
You cannot - without some function coding - pass Discoverer run time parameters to the Admin edition (ie: to a folder, SQL view, etc.).
If you're tyring to write a calculation like you describe, can't this just be in the Plus or Desktop version and not Admin?
So, it's a calculation in the report and not the EUL?
Russ

How to use if-then-else-end if in template building?

hi,
I am not able to use the "if-then-else-end if" in my template. I want to display a data based on a condition. My requirement is as follows:
if bal_for_vd < 0 then
bal_for_vd * no_of_days
else 0
end if
I tried using
1.<?if: BAL_FOR_VD < 0 then BAL_FOR_VD*NO_OF_DAYS else 0 end if?>
2.<?xdofx:if BAL_FOR_VD < 0 then BAL_FOR_VD * NO_OF_DAYS end if?>
3.<?choose:?>
<?when:BAL_FOR_VD < 0?> <?BAL_FOR_VD * NO_OF_DAYS ?>
<?end when?>
<?otherwise?>0
<?end otherwise?>
<?end choose?>
4.<?if:BAL_FOR_VD < 0?><?BAL_FOR_VD*NO_OF_DAYS?><end if?>
but ended up getting errors or nothing is getting displayed.
When i used <?BAL_FOR_VD * NO_OF_DAYS ?> alone its working fine and correct getting result. But on giving condition its erring out.
I will be glad if i get some solution for this.
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Vishnu T Ramakrishnan

Hi..
Below syntax should work..I tried with a sample xml..
<?xdofx:if BAL_FOR_VD < 0 then BAL_FOR_VD * NO_OF_DAYS
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0
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Need help with summing column when using if-then-else

Using logic
<?xdofx:if INVOICE_BILL_AMT_IN_INV_CURR is null then INVPROC_BILL_AMOUNT else INVOICE_BILL_AMT_IN_INV_CURR end if?> for column field.
Having trouble summing the column using the logic above.
Any suggestions would be very much appreciated.
Thanks,
Nancy

Thanks Tim,
That worked. Got rid of my error. However, if the field is null (=''), I get a total.
11.05 + 1429.70 = 1440.75
If the not null (!='') I am not getting a total.
103.74 + 173.13 =
BTW, recently took XML class. Leta Davis highly recommended your blog and I have gotten a lot of great tips from it.
Thanks,
Nancy

Case when null statement

Afternoon Folks,
The line highlighted in Bold is where I have the issue. I want it to pick up NULL or Blanks in the method type has well as types E,G,T. I've tried NULL is the statement, "", and '' put none of these work. What am I doing wrong? I'm using 11g by the way
select specialty,
member_id,
sp_id,
service_date,
sum(case when method_type = 'C' then (payment_total) end) "CONSULTATION",
sum(case when method_type = 'M' then (payment_total) end) "MOT",
sum(case when method_type = 'D' then (payment_total) end) "TESTS",
sum(case when method_type in ('E','G','T') then (payment_total) end) "OTHER",
sum(payment_total) "TOTAL"
from a3_fact_sms_service_inv
where specialty in ('Chiropody','Podiatry')
and service_date between date '2011-01-01' and date '2011-12-31'
group by specialty,
member_id,
sp_id,
service_date
order by specialty,
member_id,
sp_id,
service_date

957099 wrote:
Afternoon Folks,
The line highlighted in Bold is where I have the issue. I want it to pick up NULL or Blanks in the method type has well as types E,G,T. I've tried NULL is the statement, "", and '' put none of these work. What am I doing wrong? I'm using 11g by the way
select specialty,
member_id,
sp_id,
service_date,
sum(case when method_type = 'C' then (payment_total) end) "CONSULTATION",
sum(case when method_type = 'M' then (payment_total) end) "MOT",
sum(case when method_type = 'D' then (payment_total) end) "TESTS",
sum(case when method_type in ('E','G','T') then (payment_total) end) "OTHER",
sum(payment_total) "TOTAL"
from a3_fact_sms_service_inv
where specialty in ('Chiropody','Podiatry')
and service_date between date '2011-01-01' and date '2011-12-31'
group by specialty,
member_id,
sp_id,
service_date
order by specialty,
member_id,
sp_id,
service_dateWell, effectively the in is like saying method_type = 'E' or method_type = 'G' or method_type = 'T'
and so trying null as well in the in-list would be ...or method_type = null which won't work
as null isn't equal (nor not equal) to null.
so you could try
sum(case when method_type in ('E','G','T') or method_type is null then (payment_total) end) "OTHER",or use nvl
sum(case when nvl(method_type,'X') in ('E','G','T','X') then (payment_total) end) "OTHER",where 'X' is a value you definitely don't (and won't) use as a real value in method_type.
(Not tested as you didn't provide create table statements or inserts of test data).

Case when then not working

In my database, two variable ID and time (varchar2) are there. I want to populate another variable using case when then by putting below conditon to convert like this
But its not working. Can anyone help me
if time =1 day then '1 Day'
time > 2 days and time <=7 days then '2 to 7 days'
time > 8 days and time <=15 days then '8 to 15 days'
else 'not matching'
ID Time
12 1 days
23 244 days
12 2 days
14 4 days
15 6 days
17 9 days
select time,
case WHEN
UPPER(Time) = '1 DAY'
THEN
'1 day'
WHEN
UPPER(Time) Between '2 DAYS' and '7 DAYS'
THEN
'2 to 7 days'
WHEN
UPPER(Time) Between '8 DAYS' and '15 DAYS'
THEN
'8 to 15 days'
ELSE
'Not matching'
END "update time"
from table1

900487 wrote:
In my database, two variable ID and time (varchar2) are there. If you are storing Days in a column store it as NUMBER or INTERVAL data type. The way you have stored the value looks incorrect.
What you can do is extract the number portion of your time column and apply the CASE statement. Something like this
SQL> with t
2 as
3 (
4 select 12 id, '1 days' time1 from dual union all
5 select 23 id, '244 days' time1 from dual union all
6 select 12 id, '2 days' time1 from dual union all
7 select 14 id, '4 days' time1 from dual union all
8 select 15 id, '6 days' time1 from dual union all
9 select 17 id, '9 days' time1 from dual
10 )
11   select id,
12          time1,
13          case when time1 = 1              then '1 day'
14               when time1 between 2 and 7 then '2 to 7 days'
15               when time1 between 8 and 15 then '8 to 15 days'
16               else 'not matching'
17          end "update time"
18     from (
19              select id, to_number(regexp_substr(time1, '^[[:digit:]]*')) time1
20                from t
21          )
22 /
        ID      TIME1 update time
        12          1 1 day
        23        244 not matching
        12          2 2 to 7 days
        14          4 2 to 7 days
        15          6 2 to 7 days
        17          9 8 to 15 days
6 rows selected.

If-then-else in a select statement

hi, is it possible to make a if-then-else in a select query, something like:
select name, age, if(sex=f,1,2) as my_columnn from table1;
thx.

Hallo,
yes it is possible:
1. with decode
select name, decode(sex, 'f',1,2) as your_column from table1;
2. with case
select name, case when sex='f' THEN 1 ELSE 2 END) as your_column from table1;
Regards
Dmytro

Case When Statement and ORA:01722 Invalid number error

Hi folks, I have posted this under another heading as well under E-business suite so apologies if some you have already seen it but I would really appreciate some help on this one. Any suggestions are most welcome.
We are trying to put together a calculation that returns the number of days absent an individual has had in a given time period. We need to cater for those absences that started before the period and are closed during it, absence that start during the period and end after it, and those that open and close within it.
The period is always a rolling 6 months from sysdate.
This is the calc we have come up with so far which works for some people but we get the invalid number error if the absence includes a half day - so 0.5, 1.5,etc.
This is probably over complicated but we are not techie at all so are learning as we go!
We are using the HRMS - Administration - Oracle Human Resources (Core) business area in 10G and the Absence Attendance and Person folders.
SUM(TO_NUMBER(NVL(( CASE WHEN Absence Attendance.Actual Start Date < TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') THEN ( CASE WHEN Absence Attendance."Actual End Date" > SYSDATE THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),SYSDATE) ) ELSE ( CASE WHEN ( CASE WHEN TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') >= Absence Attendance.Actual Start Date THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),Absence Attendance."Actual End Date") ) ELSE ( CASE WHEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) IS NULL THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( CASE WHEN SYSDATE <= Absence Attendance."Actual End Date" THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) END ) END ) END ) IS NULL THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),SYSDATE) ) ELSE ( CASE WHEN TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') >= Absence Attendance.Actual Start Date THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),Absence Attendance."Actual End Date") ) ELSE ( CASE WHEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) IS NULL THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( CASE WHEN SYSDATE <= Absence Attendance."Actual End Date" THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) END ) END ) END ) END ) END ) ELSE ( CASE WHEN ( CASE WHEN TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') >= Absence Attendance.Actual Start Date THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),Absence Attendance."Actual End Date") ) ELSE ( CASE WHEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) IS NULL THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( CASE WHEN SYSDATE <= Absence Attendance."Actual End Date" THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) END ) END ) END ) IS NULL THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),SYSDATE) ) ELSE ( CASE WHEN TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') >= Absence Attendance.Actual Start Date THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),Absence Attendance."Actual End Date") ) ELSE ( CASE WHEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) IS NULL THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( CASE WHEN SYSDATE <= Absence Attendance."Actual End Date" THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( Absence Attendance.Duration Days ) END ) END ) END ) END ) END ),( DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") )),'999999990D00'))

Hi,
It could be that this is because you are using SYSDATE which contains the time as a fraction rather than TRUNC(SYSDATE) which just contains the current time. It could be that your working_dates_between raises this error.
However, your formula is far more complicated than it needs to be.
Firstly, you want to look at the date window ADD_MONTHS(TRUNC(SYSDATE), -6) to TRUNC(SYSDATE). Then you want to look at the portion of the absence that falls in the date window. This is GREATEST(Absence Attendance.Actual Start Date, ADD_MONTHS(TRUNC(SYSDATE), -6)) to LEAST(NVL(Absence Attendance."Actual End Date",TRUNC(SYSDATE)), TRUNC(SYSDATE)). You may need to add 1 to the absence end date because this is the last day of their absence rather than the date they return. It depends how you calculate the days between the start and end
date of the absence. You can create calculations for the start and end date of the absences within the 6 months time window. Create calculation AbsenceStart as
GREATEST(Absence Attendance.Actual Start Date, ADD_MONTHS(TRUNC(SYSDATE), -6))
and AbsenceEnd as
LEAST(NVL(Absence Attendance."Actual End Date",TRUNC(SYSDATE)), TRUNC(SYSDATE))
Then you need to only pick up absence that a part of the absence in your 6 month date window. You can use a condition in the workbook or a condition in a case statement to do this. You then need to calculate the difference between these dates and SUM all the values.
SUM(CASE WHEN AbsenceEnd >= AbsenceStart THEN WORKING_DAYS_BETWEEN(AbsenceStart, AbsenceEnd) END)
That's it. Not so complicated after all.
Rod West

Case When Statement and ORA:1722 Invalid number error

Sorry I posted this in the wrong forum - I have the answer now
Cheers
HELP!!!
We are trying to put together a calculation that returns the number of days absent an individual has had in a given time period. We need to cater for those absences that started before the period and are closed during it, absence that start during the period and end after it, and those that open and close within it.
The period is always a rolling 6 months from sysdate.
This is the calc we have come up with so far which works for some people but we get the invalid number error if the absence includes a half day - so 0.5, 1.5,etc.
This is probably over complicated but we are not Techie at all so are learning as we go! We are using the HRMS - Administration - Oracle Human Resources (Core) business area in 10G and the Absence Attendance and Person folders.
SUM(TO_NUMBER(NVL(( CASE WHEN Absence Attendance.Actual Start Date < TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') THEN ( CASE WHEN Absence Attendance."Actual End Date" > SYSDATE THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),SYSDATE) ) ELSE ( CASE WHEN ( CASE WHEN TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') >= Absence Attendance.Actual Start Date THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),Absence Attendance."Actual End Date") ) ELSE ( CASE WHEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) IS NULL THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( CASE WHEN SYSDATE <= Absence Attendance."Actual End Date" THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) END ) END ) END ) IS NULL THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),SYSDATE) ) ELSE ( CASE WHEN TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') >= Absence Attendance.Actual Start Date THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),Absence Attendance."Actual End Date") ) ELSE ( CASE WHEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) IS NULL THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( CASE WHEN SYSDATE <= Absence Attendance."Actual End Date" THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) END ) END ) END ) END ) END ) ELSE ( CASE WHEN ( CASE WHEN TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') >= Absence Attendance.Actual Start Date THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),Absence Attendance."Actual End Date") ) ELSE ( CASE WHEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) IS NULL THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( CASE WHEN SYSDATE <= Absence Attendance."Actual End Date" THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) END ) END ) END ) IS NULL THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),SYSDATE) ) ELSE ( CASE WHEN TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY') >= Absence Attendance.Actual Start Date THEN ( WORKING_DAYS_BETWEEN(TO_DATE(ADD_MONTHS(SYSDATE,-6),'DD-Mon-YYYY'),Absence Attendance."Actual End Date") ) ELSE ( CASE WHEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") ) IS NULL THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( CASE WHEN SYSDATE <= Absence Attendance."Actual End Date" THEN ( WORKING_DAYS_BETWEEN(Absence Attendance.Actual Start Date,SYSDATE) ) ELSE ( Absence Attendance.Duration Days ) END ) END ) END ) END ) END ),( DAYS_BETWEEN(Absence Attendance.Actual Start Date,Absence Attendance."Actual End Date") )),'999999990D00'))
Edited by: CPearce on Sep 25, 2008 8:03 AM

Hi,
It could be that this is because you are using SYSDATE which contains the time as a fraction rather than TRUNC(SYSDATE) which just contains the current time. It could be that your working_dates_between raises this error.
However, your formula is far more complicated than it needs to be.
Firstly, you want to look at the date window ADD_MONTHS(TRUNC(SYSDATE), -6) to TRUNC(SYSDATE). Then you want to look at the portion of the absence that falls in the date window. This is GREATEST(Absence Attendance.Actual Start Date, ADD_MONTHS(TRUNC(SYSDATE), -6)) to LEAST(NVL(Absence Attendance."Actual End Date",TRUNC(SYSDATE)), TRUNC(SYSDATE)). You may need to add 1 to the absence end date because this is the last day of their absence rather than the date they return. It depends how you calculate the days between the start and end
date of the absence. You can create calculations for the start and end date of the absences within the 6 months time window. Create calculation AbsenceStart as
GREATEST(Absence Attendance.Actual Start Date, ADD_MONTHS(TRUNC(SYSDATE), -6))
and AbsenceEnd as
LEAST(NVL(Absence Attendance."Actual End Date",TRUNC(SYSDATE)), TRUNC(SYSDATE))
Then you need to only pick up absence that a part of the absence in your 6 month date window. You can use a condition in the workbook or a condition in a case statement to do this. You then need to calculate the difference between these dates and SUM all the values.
SUM(CASE WHEN AbsenceEnd >= AbsenceStart THEN WORKING_DAYS_BETWEEN(AbsenceStart, AbsenceEnd) END)
That's it. Not so complicated after all.
Rod West

Using :case when in where clause

Hello,
I need some help with using of case statement in a where clause
Table that contains info about employees taking some coursework:
Class (values could be SAP, ORACLE, JAVA)
Code (if Class is SAP then CODE is not null; if class is any other CODE is NULL)
Start Date (date they began class not null)
End Date (date then ended the class - could be null)
Employee Level(numbers from one through five)
I need a single LOV in forms that should show Employee_Level for input class,code,date.
How to do this?
I started off with this but get 'missing statement error'
select distinct employee_level from e_course
   where (
   case when &class='SAP' then code ='1' and start_date > to_date('20000101','YYYYMMDD') and
                                           end_date < to_date('20000101','YYYYMMDD')
           else
               null
   end) order by employee_level;Thanks

Hi,
user469956 wrote:
But all these examples have only one condition for each case.Depending on how you count, all WHERE clauses have only one condition.
I see an example in that thread that has 6 atomic conditions, linked by AND and OR.
I need to check date & code. This is what is causing the error.Why do you want to use a CASE statement?
Why can't you put all your conditions directly iinto a WHERE clause, soemthing like this:
WHERE   (   &class='SAP'
        AND code ='1'
OR      (   start_date > to_date('20000101','YYYYMMDD')
        AND end_date    < to_date('20000101','YYYYMMDD')
        )I said "something like this" because I don't know what you really want to do.

Error creating view with CASE -- WHEN statement in SQL*Plus

I am using Oracle 8i 8.1.7
I have an Oracle view which uses CASE...WHEN statements.
The view compiles fine in DBA studio.
Using TOAD I saved the view as an *.sql file.
However, when I try to create the view in SQL*Plus I get the following error:
SP2-0734: unknown command beginning "CASE WHEN ..." - rest of line ignored.
According to the documentation CASE -- WHEN has been implemented since since Oracle 8i rel. 2 (8.1.6)

Well I'm using 8.1.6.3 and CASE and DECODE both work for me:
SQL> create or replace view v_accs as select account_name, txn,
2 decode(credit, 0, 'DB', 'CR') t_type
3 from accs;
View created.
SQL> select * from v_accs;
ACCOUNT_NA TXN T_
APC 1 DB
ABC 2 DB
HJJ 3 DB
HJH 4 CR
HJK 5 CR
APC 6 DB
APC 7 DB
ABC 8 DB
ABC 9 DB
HJJ 10 DB
HJJ 11 DB
HJH 12 DB
HJH 13 DB
HJK 14 DB
HJK 15 CR
15 rows selected.
SQL> create or replace view v_accs as select account_name, txn,
2 case when credit = 0 then 'DB' else 'CR'end as t_type
3* from accs
View created.
SQL> select * from v_accs;
ACCOUNT_NA TXN T_
APC 1 DB
ABC 2 DB
HJJ 3 DB
HJH 4 CR
HJK 5 CR
APC 6 DB
APC 7 DB
ABC 8 DB
ABC 9 DB
HJJ 10 DB
HJJ 11 DB
HJH 12 DB
HJH 13 DB
HJK 14 DB
HJK 15 CR
15 rows selected.
SQL>
rgds, APC

Discoverer: "CASE WHEN...." in calculations won't show anything in GUI !?!?

Hi all!
I have a report in Discoverer Plus (Version 10.1.2.48.18) which contains 2 columns: One with actual spendings and one with budget figures. I want to make a third column which holds actual spendings in percentage of the budget. To do this, I need to make a calculation similar to:
CASE WHEN SUM(budget) <> 0 THEN SUM(spendings)/SUM(budget) ELSE NULL END
However, when I apply this calculation to the third column, my report don't return any numbers at all in any column.
What am I doing wrong? -- Is this a bug, and how should I solve my problem?
~Morten

I can get something out if I do this (applying an aggregate function to it all):
SUM(CASE WHEN budget <> 0 THEN spendings/budget ELSE NULL END)
However, this is wrong (Summarizing these percentages doesn't give any meaning).
SQL lookes something like this:
SELECT /*+ NOREWRITE */ o100448.ACCOUNT as E100451,(decode((ADD_MONTHS(o100862.DATE1,-4)),null,to_date(null, 'MMDDYYYY'),to_date(to_char(trunc((ADD_MONTHS(o100862.DATE1,-4)),'YYYY'),'YYYY') || '01','YYYYMM'))) as E101004,MAX(o100448.ACCOUNTNUM) as as100473_100451_NEW,CASE WHEN ( SUM(o100862.BUDGET) ) <> 0 THEN ( SUM(o100862.AMOUNT) )/( SUM(o100862.BUDGET) ) ELSE NULL END as C_1,( SUM(o100862.BUDGET) )*o100448.SIGN as C_3,( SUM(o100862.AMOUNT) )*o100448.SIGN as C_2,GROUPING_ID(o100448.ACCOUNT,o100448.SIGN,(decode((ADD_MONTHS(o100862.DATE1,-4)),null,to_date(null, 'MMDDYYYY'),to_date(to_char(trunc((ADD_MONTHS(o100862.DATE1,-4)),'YYYY'),'YYYY') || '01','YYYYMM')))) as GID
FROM TANGO.TANGO_ACCOUNTS o100448,
TANGO.TANGO_SUMS o100862
WHERE ( (o100862.ORG = o100448.ORG AND o100862.ACCOUNTNUM = o100448.SUBACCOUNTNUM))
AND (o100448.ACCOUNTNUM BETWEEN 30000 AND 79999)
AND (o100862.DIM = '50')
AND (o100448.ORG = 'bru')
GROUP BY GROUPING SETS(( o100448.ACCOUNT,o100448.SIGN,(decode((ADD_MONTHS(o100862.DATE1,-4)),null,to_date(null, 'MMDDYYYY'),to_date(to_char(trunc((ADD_MONTHS(o100862.DATE1,-4)),'YYYY'),'YYYY') || '01','YYYYMM'))) ),( o100448.ACCOUNT,(decode((ADD_MONTHS(o100862.DATE1,-4)),null,to_date(null, 'MMDDYYYY'),to_date(to_char(trunc((ADD_MONTHS(o100862.DATE1,-4)),'YYYY'),'YYYY') || '01','YYYYMM'))) ))
HAVING (GROUP_ID()=0)
ORDER BY GID DESC;
I tried to fire this SQL up in TOAD (or whatever SQL-tool you might have), and columns C_2 and C_3 are empty. Seems like I'm doing something awfully wrong here.....
Any ideas? (There must be some SQL sharks out there ;-p)
~Morten

"IN" operator in Case When statement

Hi
When I'm trying to use "IN" operator in the "Case When" statement , the following error is being displayed : " [nQSError: 27002] Near <In>: Syntax error [nQSError: 26012] " .
Please let me know wether we can use "IN" oprerator in the Case When statement.
Thanks.

Hi
Below is the code in which I'm trying to use "IN" operator in the CASE WHEN statement :
CASE WHEN Month=1 then Year IN (2009,2010) else 0 end
Above - (Year and month are of integer datatype, hence i did not use single quotes)
Thanks

Using more than one case when statement

Hi there,
I have a question on using case when statements.
Currently I have a table where it shows me mulitple dates.
Order Saledate TransferDate StartDate Enddate GetDate
I have created a where statement to show me records against the transferdate dependant if it appears within the date range of the year, or if it appears within the startdate and today's date.
(lpatran.trandate between targets.startdate
and (case when targets.enddate < getdate() then targets.enddate else getdate() end))
However on some of the records the transfer date is null, and so they want to use the saledate as the date to use.
So I created
(case when Lpatran.trandate is not null then (Lpatran.trandate between targets.startdate
and (case when targets.enddate < getdate() then targets.enddate else getdate()))
else (lpatran.saledate between targets.startdate
and (case when targets.enddate < getdate() then targets.enddate else getdate())) end )
However it gives me an incorrect syntax near the word ‘between ‘
Is there a simple fix for this or does sql not allow me to do this?

I have created a new column called transferdate and done a case when statement
CASE
WHEN lpatran.trandate
IS
NULL
THEN lpatran.saledate
ELSE lpatran.trandate
END
AS Transferdate,
Then created a temptable and did a select * from temptable. Created a where statement from transferdate, which does work and gives me the correct data.
TransferDate between startdate
and(case
when enddate
<
getdate()
then enddate
else
getdate()
end))
However I wanted to know if there was a way of obtaining the same data without having to use the temptable ?

Problem with case when statement, when doing an insert.

Hi there, I have written the following coding, that has got an issue, due to not being allowed null values to be inserted into a column on a table.
,Case
WHENCL.LocationISNOTNULLANDCL.[Floor]ISNOTNULLANDCL.RoomISNULLTHEN
(SELECTTop1
FL.FloorIDFROMPMIS.dbo.ConsentLocationF
JOINtbBuildingBONB.BuildingNumber=F.LocationCOLLATELatin1_General_CI_AS
JOINtbFloorFLONFL.BuildingID=B.BuildingID
WHEREF.Location=CL.LocationANDFL.FloorName=CL.[Floor]COLLATELatin1_General_CI_AS)
WHENCL.LocationISNOTNULLANDCL.[Floor]ISNOTNULLANDCL.RoomISNOTNULLTHEN
(SELECTTop1
R.RoomIDFROMPMIS.dbo.ConsentLocationF
JOINtbBuildingBONB.BuildingNumber=F.LocationCOLLATELatin1_General_CI_AS
JOINtbFloorFLONFL.BuildingID=B.BuildingID
JOINtbRoomRONR.FloorID=FL.FloorID
WHEREF.Location=CL.LocationANDFL.FloorName=CL.[Floor]COLLATELatin1_General_CI_ASANDR.RoomNumber=CL.RoomCOLLATELatin1_General_CI_AS)
ENDasParentID
I have written this case when statement above to find a ParentID. I have got the case when statement to work individually, e.g. I get the correct records back. However when I put it into a insert statement, as I want this ParentID to go
into a column in a table I get an error with the following message.
Cannot insert the value NULL into column 'ParentID', table 'K2_Master_4_Test.dbo.tbConsentLink'; column does not allow nulls. INSERT fails.
Can someone point me in the right direction, as to what I need to do to get this case when statement working? Also no I cannot change the structure of the table to allow for null values either. So I need to modifiy this one.

The error is valid because your table column has 'not null' constraint and when your case expression does not satisfy either of the 'when' conditions, it is returning NULL to the insert statement.
you can get around this by defining a generic value. Simple Example
select case when <<Column>>=1 then 'First' When <<Column>>=2 then 'Second' Else 'Last' End
In this case, when column value is not 1 or 2, it will insert 'Last'.
So, you have to do something like this...i.e add ELSE condition to your case..
Hope it Helps!!

"CASE WHEN 1=0 THEN.......ELSE....END"??

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