Subquery in case statement
I have the following case statement as a value in a larger select statement. I am getting a "MISSING KEYWORD" error when I try to run this. Can someone tell me what I am missing?
CASE upper(QCTYPE)
WHEN 'DATE' THEN 'PreviousMonth/PreviousYear'
WHEN 'RANGE' THEN 'between '||cast(s.LOWVALUE as VARCHAR2(25))||' and '||cast(s.HIGHVALUE as VARCHAR2(25))
WHEN 'RANGEREAL' THEN 'between '||cast(s.LOWVALUE as VARCHAR2(25))||' and '||cast(s.HIGHVALUE as VARCHAR2(25))
WHEN 'TABLE' THEN (select v.HARVESTCODE||': '||v.DESCRIPTION AS EXVALUE from INTERPRETATIONVALUES v where v.SHORTNAME = s.SHORTNAME
and v.HARVESTCODE = (select min(c.HARVESTCODE) from INTERPRETATIONVALUES c where c.SHORTNAME = s.SHORTNAME)) as EXVALUESUB
WHEN 'TEXT' THEN 'beginning with the letter A'
END AS EXPECTEDVALUEThanks,
Eva
The issue was having my tablename referenced as V. Turns out that does not work. That and I actually didn't have one of the columns I was calling in the table. That doesn't work that great!
Thanks for the "mark as answered" reminder. You are correct, I had been lax on that.
Similar Messages
-
Subquery inside CASE statement
I am trying to use a subquery within a Case statement with a 'where' condition that binds to the parent query. Like this:
Select T.idperson , CASE WHEN T.type = 'C' THEN (SELECT name from Customers where C.idcustomer = T.idperson)
ELSE
(SELECT name from Providers where idprovider = T.idperson)
END Name
from myTable T This works for me in SQL Server but in ORACLE the subquery does not return any rows, i guess its the binding to parent query part. Any thoughts of another way I could get the result I want?
Thanks,
JuanDiegoHi, Juandiego,
If it's not returning any rows, then you must not have any rows in the table.
If you have any rows in the table, you will either get
(a) an error, or
(b) some rows (even if the columns are NULL).
There is another way to get the results you want.
I probably wouldn't use scalar sub-queries. I would outer-join all the tables, like this:
Select T.idperson
, CASE
WHEN T.type = 'C'
THEN c.name
ELSE p.name
END AS Name
from myTable t
LEFT OUTER JOIN Customers c ON c.idcustomer = T.idperson
LEFT OUTER JOIN Providers p ON p.idprovider = T.idperson
; -
Case statement with Subquery
select case when condition then
i want to execute qr1
else qr2
How to implement this ?Hi,
Welcoem to the forum!
972471 wrote:
Case statement with SubqueryHow does a sub-query, or a query, figure in this question?
Be more specific. Post a complete script that you tried, and what output you expected from it. If you got an error, post the complete error message, including line numbers.
See the forum FAQ {message:id=9360002}
select case when condition then
i want to execute qr1
else qr2
How to implement this ?Here's one way:
BEGIN
CASE
WHEN 1 = 1
THEN
dbms_output.put_line ('Condition was TRUE');
ELSE
dbms_output.put_line ('Condition was FALSE or UNKNOWN');
END CASE;
END;
/If the condition involves a query, then you may have to select the results into a variable first, and then use the variable in the CASE statement. -
Case statement in a multiple query
Hi everyone,
This is my first time to use case statement in a multiple query. I have tried to implement it but i got no luck.. Please see below
set define off
SELECT g.GROUP_NAME as Market
,t.NAME as "Template Name"
,t.TEMPLATE_ID as "Template ID"
,(SELECT created
FROM material
where template_id = t.template_id) as "Date Created"
*,(SELECT DESTINATION_FOLDER_ID,*
CASE DESTINATION_FOLDER_ID
WHEN NULL THEN 'Upload'
ELSE 'HQ'
END
from log_material_copy
where destination_material_id in (select material_id
from material
where template_id = t.template_id ))as "Origin"
,(select material_id
from log_material_copy
where destination_material_id in (select material_id
from material
where template_id = t.template_id)) as "HQ/Upload ID"
,(SELECT COUNT (mse.ID)
FROM MATERIAL_SEND_EVENT mse, material m, creative c
WHERE mse.MATERIAL_ID = m.MATERIAL_ID
AND mse.MATERIAL_TYPE_ID = m.MATERIAL_TYPE_ID
AND m.ASSET_ID = c.id
AND c.TEMPLATE_ID = t.TEMPLATE_ID) as Sent
,(SELECT COUNT (de.ID)
FROM download_event de, material m, creative c
WHERE de.MATERIAL_ID = m.MATERIAL_ID
AND de.MATERIAL_TYPE_ID = m.MATERIAL_TYPE_ID
AND m.ASSET_ID = c.id
AND c.TEMPLATE_ID = t.TEMPLATE_ID) as Download
,(SELECT 'https://main.test.com/bm/servlet/' || 'UArchiveServlet?action=materialInfo&materialId=' || DESTINATION_MATERIAL_ID || '&materialFolderId=' || DESTINATION_FOLDER_ID
from log_material_copy
where destination_material_id in (select material_id
from material
where template_id = t.template_id)) as "URL to template on MPC layer"
--, t.AVAILABLE_FOR_TRANSFER as "Available for transfer"
FROM template t, layout l, groups g
WHERE t.LAYOUT_ID = l.LAYOUT_ID
AND l.ORGANIZATION_ID = g.IP_GROUPID
AND g.IP_GROUPID in ( 1089, 903, 323, 30, 96, 80, 544, 1169, 584, 785, 827, 31, 10, 503, 1025 )
ORDER BY g.GROUP_NAME ASC;
The one in bold is my case statement.. Please let me know what is wrong with this.
Regards,
JasI think you're getting the idea, but:
You're still selecting 2 columns in the (scalar) subquery. Did you read the link I posted for you?
"a) scalar subqueries - *a single row, single column query that you use in place of a "column"*, it looks like a column or function."
You must move that query outside, join to template.
Something like:
NOT TESTED FOR OBVIOUS REASONS SO YOU'LL PROBABLY NEED TO TWEAK IT A BIT
select g.group_name as market,
t.name as "Template Name",
t.template_id as "Template ID",
m.created as "Date Created",
lmc.destination_folder_id,
case lmc.destination_folder_id
when null then 'Upload'
else 'HQ'
end as "Origin"
(select material_id
from log_material_copy
where destination_material_id in
(select material_id
from material
where template_id = t.template_id)) as "HQ/Upload ID"
(select count(mse.id)
from material_send_event mse, material m, creative c
where mse.material_id = m.material_id
and mse.material_type_id = m.material_type_id
and m.asset_id = c.id
and c.template_id = t.template_id) as sent
(select count(de.id)
from download_event de, material m, creative c
where de.material_id = m.material_id
and de.material_type_id = m.material_type_id
and m.asset_id = c.id
and c.template_id = t.template_id) as download
(select 'https://main.test.com/bm/servlet/' ||
'UArchiveServlet?action=materialInfo&materialId=' ||
destination_material_id || '&materialFolderId=' ||
destination_folder_id
from log_material_copy
where destination_material_id in
(select material_id
from material
where template_id = t.template_id)) as "URL to template on MPC layer"
--, t.AVAILABLE_FOR_TRANSFER as "Available for transfer"
from template t
, layout l
, groups group by
, MATERIAL M
, LOG_MATERIAL_COPY LMC
where t.layout_id = l.layout_id
and l.organization_id = g.ip_groupid
and M.TEMPLATE_ID = t.template_id
and LMC.destination_material_id in ( select material_id
from material
where template_id = t.template_id
and g.ip_groupid in (1089,
903,
323,
30,
96,
80,
544,
1169,
584,
785,
827,
31,
10,
503,
1025)
order by g.group_name asc; -
I am working on a project for ambulance response times. In
the following query which is in my coldfusion code, I am using a
CASE statement on a subquery to count the ambulance response times
in bins. An ambulance should arrive at an emergency incident in
less than 8:59 (539 seconds) or else it is considered late. In my
coldfusion Transact-SQL code I am:
1.) doing a subquery.
2.) counting the 'event numbers' based on the time it took
for the ambulance to arrive.
3.) only counting Lee County ambulances and excluding A6 type
calls (non-emergencies).
4.) grouping it by the dateparts.
SELECT DATENAME("M", I.I_tTimeDispatch) as mths,
(DATEPART("yyyy", I.I_tTimeDispatch)) AS yr,
COUNT(CASE WHEN (DATEDIFF("S",I.I_tTimeDispatch,
I.I_tTimeArrival)) BETWEEN 0 AND 539 THEN evnt END) AS OnTime,
COUNT(CASE WHEN (DATEDIFF("S",I.I_tTimeDispatch,
I.I_tTimeArrival)) BETWEEN 540 AND 1028 THEN evnt END) AS Late,
COUNT(CASE WHEN (DATEDIFF("S",I.I_tTimeDispatch,
I.I_tTimeArrival)) > 1028 THEN evnt END) AS Outlier
FROM (SELECT I_EventNumber AS evnt, I_tTimeDispatch,
I_tTimeArrival, I_kTypeInfo, I_Agency FROM dbo.IIncident) as I
INNER JOIN dbo.ITypeInfo AS T ON I.I_kTypeInfo =
T.ITI_TypeInfo_PK
WHERE I.I_Agency='LC'
AND T.ITI_TypeID NOT LIKE 'A6*'
GROUP BY (DATEPART("M", I.I_tTimeDispatch)), (DATENAME("M",
I.I_tTimeDispatch)), (DATEPART("yyyy", I.I_tTimeDispatch))
ORDER BY (DATEPART("yyyy", I.I_tTimeDispatch)) ASC,
(DATEPART("M", I.I_tTimeDispatch)) ASC
Here is my problem!
I go into Microsoft Access to verify my statistics and I get
different counts. For instance, in April 2008 my coldfusion query
returns 3,944 on-time ambulance responses. My Access query for the
same time period using only Lee County ambulances and excluding A6
non-emergencies returns only 3,805 responses. This is an undercount
of 139 responses. Even for my other time bins I am getting an
undercount.
Here is my Access SQL for the on time response bin (<539
seconds or 8:59):
SELECT Count(dbo_IIncident.I_EventNumber) AS
CountOfI_EventNumber
FROM dbo_IIncident INNER JOIN dbo_ITypeInfo ON
dbo_IIncident.I_kTypeInfo = dbo_ITypeInfo.ITI_TypeInfo_PK
WHERE (((dbo_IIncident.I_Agency)="lc") AND
((dbo_ITypeInfo.ITI_TypeID) Not Like "a6*") AND
((dbo_IIncident.I_tTimeDispatch) Between #4/1/2008# And #5/1/2008#)
AND
((DateDiff("s",[dbo_IIncident]![I_tTimeDispatch],[dbo_IIncident]![I_tTimeArrival]))
Between 0 And 539));
How could two queries that are supposed to be doing the same
thing return such different results?
To clear up any confusion I am temporarily posting the page.
Please look at it because it may help you visualize the problem.
http://lcfcfn01/Secure/GTandLT_8_59.cfmThank you for your quick reply.
I thought about that, but it isn't what is causing the
discrepancy in the numbers. This is because Access is hitting the
SQL Server through ODBC. The time stamps in SQL Server are ODBC
datetime stamps so they look like this: 4/19/2008 6:20:18 PM
When my query uses the date #5/1/2008# it is like saying May
1, 2008 00:00:00. Please correct me if I am wrong. The query won't
return any results from May 1, 2008 because it stops at zero
hundred hours. I believe it will only go to April 30, 2008 23:59:59
and then stop there.
I do try and play with the date ranges and the 'seconds'
(<539 or >539) parameter and I consistently get different
results from what my coldfusion page is telling me.
David -
Hi, I have two issues, here is my initial code:
select
cc.name_id_no
,cc.discover_date
,cc.cla_case_no
,max(rl.year_of_incident)Non_Loss_Past_5
,rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
Now a cla_case_no can map to several year_of_incident. I only want the cla_case_no that maps to the max year_of_incident ie There should only be a single cla_case_no corresponding to the max year_of_incident.
To get around this I did the following which is not very efficient and I'm hoping it can be improved:
select distinct z.cla_case_no from (
select
cc.name_id_no
,cc.discover_date
,cc.cla_case_no
,max(rl.year_of_incident)Non_MW_Loss_Past_5
,rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
) z
Now comes the second issue: The above is actually a subquery that will link to a bigger table via cla_case_no ccx
SELECT
ie ,(select distinct z.cla_case_no from (
select cc.name_id_no, cc.discover_date ,cc.cla_case_no, max(rl.year_of_incident)Non_MW_Loss_Past_5, rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
) z
where z.cla_case_no = ccx.cla_case_no
) Non_MW_Loss_Past_5
FROM etc
Now only certain cc.cla_case_no from the subquery will corresp to the ccx_cla_case_no from the main table and the other entries will be null.
What I require is that if the subquery returns a result that IS NOT NULL to return 'Y' ELSE 'N' instead of the varies cla_case_no's and (null) entries in the Non_MW_Loss_Past_5 column
Thanks!!!
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NLSRTL Version 11.2.0.2.0 - ProductionHi,
It looks like you have another copy of this question:
Case Statement and sub query
That's probably not your fault, but you should mark the other copy as "Answered" right away, and then you'll only have to look for replies in one place.
885178 wrote:
... Now a cla_case_no can map to several year_of_incident. I only want the cla_case_no that maps to the max year_of_incident ie There should only be a single cla_case_no corresponding to the max year_of_incident.If you know there will only be one, then you can use LAST, and you don't need GrOUP BY
To get around this I did the following which is not very efficient and I'm hoping it can be improved:
select distinct z.cla_case_no from (
select
cc.name_id_no
,cc.discover_date
,cc.cla_case_no
,max(rl.year_of_incident)Non_MW_Loss_Past_5
,rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
) zHere's one way:
SELECT MIN (cla_case_no) KEEP (DENSE_RANK LAST ORDER BY r1.year_of_incident)
AS latest_cla_case_no
FROM cla_case cc
, rbn_loss rl
WHERE cc.name_id_no = rl.customer_no
AND rl.year_of_incident > TRUNC (cc.discover_date) - 1095
AND rl.year_of_incident < TRUNC (cc.discover_date)
AND rl.type_of_loss < 1000
AND rl.timestamp < TRUNC (cc.discover_date)
AND cc.question_class IN (20, 25)
;If you'd post some sample data (CREATE TABLE and INSERT statements) and the results you want from that data, then I could test this.
Now comes the second issue: The above is actually a subquery that will link to a bigger table via cla_case_no ccx
SELECT
ie ,(select distinct z.cla_case_no from (
select cc.name_id_no, cc.discover_date ,cc.cla_case_no, max(rl.year_of_incident)Non_MW_Loss_Past_5, rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
) z
where z.cla_case_no = ccx.cla_case_no
) Non_MW_Loss_Past_5
FROM etc
Now only certain cc.cla_case_no from the subquery will corresp to the ccx_cla_case_no from the main table and the other entries will be null.
What I require is that if the subquery returns a result that IS NOT NULL to return 'Y' ELSE 'N' instead of the varies cla_case_no's and (null) entries in the Non_MW_Loss_Past_5 column
NVL2 (x, 'Y', 'N')returns 'Y' if x is NULL, and it returns 'N' if x is not NULL. X can be a scalar sub-query:
NVL2 ((SELECT ...), 'Y', 'N')You could also use an EXISTS sub-query:
CASE
WHEN EXISTS (SELECT ...)
THEN 'Y'
ELSE 'N'
END -
Why doesn't this case statement work?
SELECT
case when PRODUCTS.PRODUCT_NAME in
select case when rank() over(order by ( sum(ag.RX_CNT) ) desc) < 6 then ( p.PRODUCT_NAME ) else 'XXXX' END RankedProduct
FROM
PAP_MONTHLYTIME_DIM m,
PAP_PRESCRIPTIONS_DEMOG_AGG ag,
PRODUCTS p,
PAP_ENROLLMENT_FLAGS_DIM f
WHERE
( m.MONTHLYTIME_DIM_ID = ag.MONTHLYTIME_DIM_ID )
AND ( ag.ENROLLMENT_FLAGS_DIM_ID = f.ENROLLMENT_FLAGS_DIM_ID )
AND ( p.PRODUCT_ID = ag.PRODUCT_DIM_ID )
AND ( f.ACTIVE_FLAG = 'Y' )
AND m.CALENDAR_YEAR_MONTH = '2007-04'
GROUP BY
m.MONTH_END_DATE,
p.PRODUCT_NAME
then
( PRODUCTS.PRODUCT_NAME ) else 'All Other' end as ProdNm,
PRODUCTS.PRODUCT_NAME,
sum(PAP_PRESCRIPTIONS_DEMOG_AGG.RX_CNT)
FROM
PRODUCTS,
PAP_PRESCRIPTIONS_DEMOG_AGG
WHERE
( PRODUCTS.PRODUCT_ID=PAP_PRESCRIPTIONS_DEMOG_AGG.PRODUCT_DIM_ID )
GROUP BY
PRODUCTS.PRODUCT_NAME
The first case statement is not working properly. First off - I know I can do this without the subquery in the case statement, but it's then tied to the Month and I don't want that.
The result set of the subquery contains valid product_names that match EXACTLY (I added LTRIM RTRIM just in case), but the ProdNm field still evaluates to "All Other" for them. If I change the subquery to something basic and remove the rank function, it works, but of course I need that function. My understanding is that it shouldn't matter what function is in the subquery. I thought Oracle would get the result set of the subquery first, then evaluate the case statement based on the result set (the subquery is obviously not correlated).
Any ideas?
Thanks.My understanding is that it shouldn't matter what function is in the subquery. I thought Oracle would get the result set of the subquery first, then evaluate the case statement based on the result set (the subquery is obviously not correlated). It looks like the queries ARE somehow correlated. Consider the two simplified queries:
michaels> SELECT ename, deptno,
CASE
WHEN deptno IN (
SELECT CASE
WHEN ROW_NUMBER () OVER (ORDER BY NULL) < 3
THEN deptno
ELSE 1000
END
FROM dept)
THEN 'Found'
ELSE 'NOT Found'
END FOUND
FROM emp
ORDER BY deptno
ENAME DEPTNO FOUND
CLARK 10 NOT Found
KING 10 NOT Found
MILLER 10 NOT Found
JONES 20 NOT Found
FORD 20 NOT Found
ADAMS 20 NOT Found
SMITH 20 NOT Found
SCOTT 20 NOT Found
WARD 30 NOT Found
TURNER 30 NOT Found
ALLEN 30 NOT Found
JAMES 30 NOT Found
BLAKE 30 NOT Found
MARTIN 30 NOT Found
michaels> SELECT ename, deptno,
CASE
WHEN deptno IN (
SELECT *
FROM (SELECT CASE
WHEN ROW_NUMBER () OVER (ORDER BY NULL) < 3
THEN deptno
ELSE 1000
END
FROM dept))
THEN 'Found'
ELSE 'NOT Found'
END FOUND
FROM emp
ORDER BY deptno
ENAME DEPTNO FOUND
CLARK 10 Found
KING 10 Found
MILLER 10 Found
JONES 20 Found
FORD 20 Found
ADAMS 20 Found
SMITH 20 Found
SCOTT 20 Found
WARD 30 NOT Found
TURNER 30 NOT Found
ALLEN 30 NOT Found
JAMES 30 NOT Found
BLAKE 30 NOT Found
MARTIN 30 NOT FoundSo in the first query ROW_NUMBER() evaluates to NULL (not sure why) so the condition will never be satisfied! This is easily proofed when actually testing for nullity:
WHEN ROWNUM() OVER (ORDER BY NULL) IS NULL THEN
...will always show 'Found'!
Inlining the subquery »materializes« it, and ROW_NUMBER() gets the desired value. -
APEX_ITEM.MD5_CHECKSUM and Case Statements
I have an updateable report
select apex_item.display_and_save(3,parameter) ||
APEX_ITEM.MD5_CHECKSUM(parameter,value_char,value_number,to_char(value_date,'dd.mm.yyyy'),param_set) ||
apex_item.hidden(2,rownum) parameter
,value_char value_char_current
,APEX_ITEM.TEXT(4,value_char,20,128) value_char_new
,case when parameter in ('OBJINCID', 'HISTTRANSFERID') then '<span style="color:#000000;font-weight:bold">'||value_number||'</span>'
else to_char(value_number) end value_number_current
,APEX_ITEM.TEXT(5,value_number,10) value_number_new
,case when parameter = 'TRANSFERDAY' then '<span style="color:#000000;font-weight:bold">'||to_char(value_date,'dd.mm.yyyy')||'</span>'
else to_char(value_date,'dd.mm.yyyy') end value_date_current
,APEX_ITEM.DATE_POPUP2(6,value_date,'DD.MM.YYYY','15','10','style=""',null,null,null,null,null,'both',null,'MONTH_AND_YEAR') value_date_new
,apex_item.display_and_save(7,param_set) param_set
,apex_item.display_and_save(8,param_type) param_type
,APEX_ITEM.TEXT(9,jobname) jobname
,system system
,config config
,APEX_ITEM.TEXT(10,parameter) parameter_hid
,APEX_ITEM.TEXT(11,value_number) vnhid
,APEX_ITEM.DATE_POPUP2(12,value_date,'DD.MM.YYYY','15','10','style=""',null,null,null,null,null,'both',null,'MONTH_AND_YEAR') vdhid
from etl_job_param
where config = substr(:P285_CONFIG,instr(:P285_CONFIG,'_')+1)
and system = :P285_SYSTEMI would like to change my sql for the value_date_new col to
,case when parameter = 'TRANSFERDAY' then
APEX_ITEM.DATE_POPUP2(6,NULL,'DD.MM.YYYY','15','10','style="" disabled="disabled"',null,null,null,null,null,'both',null,'MONTH_AND_YEAR')
else
APEX_ITEM.DATE_POPUP2(6,value_date,'DD.MM.YYYY','15','10','style=""',null,null,null,null,null,'both',null,'MONTH_AND_YEAR') end value_date_newI think I need to change my checksum so if parameter = 'TRANSFERDAY' then use the value from the vdhid column and not value_date_new.
It is not allowing me to use column alias in the checksum
How do I do this ?
GusWell, you could either put the CASE statement in the checksum parameter as well (duplicating logic = bad) or use a factored subquery with the case statment in and alias that column, then reference it in the main query (logic in one place = good).
Cheers
Ben -
SQL Expression in decode function or case statement?
Can I put SQL expressions in decode function or case statement?
For example,
select le.profile, decode( select count(1) from profile_data where NAME= 'XXXX_AFTER' and object_id = le.profile, 0, 'N', 'Y')
from element le;
or
select le.profile, case WHEN ( select count(1) from profile_data where NAME= 'XXXX_AFTER' and object_id = le.profile) = 0 THEN 'N'
ELSE 'Y'
from element le;
None of the above work.
Can anyone tell me how to make it work?
Is there any workaround?
Thanks,
JYou simply needed and END to your CASE statement;
SQL> with profile_data as (
select 'XXXX_AFTER' name, 1 object_id from dual),
element as (
select 1 profile from dual union all
select 2 from dual)
select le.profile,
case WHEN ( select count(1) from profile_data where NAME= 'XXXX_AFTER' and object_id = le.profile) = 0
THEN 'N'
ELSE 'Y'
END new_col
from element le
PROFILE N
1 Y
2 N -
CASE not found while executing CASE statement on Submit Form
Hi to all APEX users and developers.
I have several APEX applications and they are all working well, but recently I got one strange exception when I try to submit page:
Session: Fetch session header information
...metadata, fetch page info
...Validate item page affinity.
...Validate hidden_protected items.
Add error onto error stack
...Error data:
......message: Error processing request.
......additional_info: ORA-06592: CASE not found while executing CASE statement
......display_location: ON_ERROR_PAGE
......is_internal_error: true
......apex_error_code: APEX.UNHANDLED_ERROR
......ora_sqlcode: -6592
......ora_sqlerrm: ORA-06592: CASE not found while executing CASE statement
.....error_backtrace: ORA-06512: at "APEX_040100.WWV_FLOW", line 9273
......component.type: APEX_APPLICATION_AUTH
......component.id: 41350431648668800
......component.name: MNRFR
...Show Error on Error Page
......Performing rollback
Processes - point: AFTER_ERROR_HEADER
Processes - point: BEFORE_ERROR_FOOTER
End Page Processinga
Page has more than 120 items (most of them are hidden), so my first thought is that page has problem with posting so many items, but APEX error message doesn't hel me at all. Any help would be very appreciated :)
AlmirHi Almir,
actually it is the 100 page item limit. See (http://download.oracle.com/docs/cd/E17556_01/doc/user.40/e15517/limits.htm)
I also had a look into the source code and the code at the position where the error gets raised only supports 100 page items.
Can you have a look into the generated HTML code and look if you have a page items which is mapped to p_t101 or a higher number ?
I will file a bug to show a better error message.
Regards
Patrick
My Blog: http://www.inside-oracle-apex.com
APEX Plug-Ins: http://apex.oracle.com/plugins
Twitter: http://www.twitter.com/patrickwolf -
hi.
i have a case statement query. i wonder if in the select statement, can i do computation using different parameter from the main report to subreport?
for example, (qty * parameter)
if parameter = 0, i uses $P{abc} to multiply qty
if parameter > 0, i uses $P{xyz} to multiply qty
in this case, i've writen a sql (as below) but its does not execute.
select ....., (QTY *
case $P{QTY}
when 0 then ' * $P{abc}'
else ' $P{xyz}'
end
from....
hence, what should i do in order to get the right parameter to multiply with? pls guide. thanks.I'm not sure about these parameter placeholders which are specific to whatever report tool you are using, but the structure would be (assuming the parameter value would never be less than zero):
qty * case when $P{QTY} = 0 then $P{abc} else $P{xyz} end -
Case Statement in Answers Filter
Hi,
I'm trying to build a query in Answers that filters the data returned based on the current month number. If the current month is 1 then we want to show all 12 months, otherwise we want to show months less than the current month. If I use the following:
CASE WHEN extract(month from current_date) = 1 THEN "Calculated Values Monthly"."MONTH" >= 1 ELSE "Calculated Values Monthly"."MONTH" < extract (month from current_date) END
I get the error below. All works fine until I add the CASE.
Error Codes: YQCO4T56:OPR4ONWY:U9IM8TAC:OI2DL65P
Location: saw.views.evc.activate, saw.httpserver.processrequest, saw.rpc.server.responder, saw.rpc.server, saw.rpc.server.handleConnection, saw.rpc.server.dispatch, saw.threadpool, saw.threadpool, saw.threads
Odbc driver returned an error (SQLExecDirectW).
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. [nQSError: 27002] Near <>=>: Syntax error [nQSError: 26012] . (HY000)
Can you use a case statement in a filter? If not, what are the other options, if any?
Thxziekc wrote:
Hi,
I'm trying to build a query in Answers that filters the data returned based on the current month number. If the current month is 1 then we want to show all 12 months, otherwise we want to show months less than the current month. If I use the following:
CASE WHEN extract(month from current_date) = 1 THEN "Calculated Values Monthly"."MONTH" >= 1 ELSE "Calculated Values Monthly"."MONTH" < extract (month from current_date) END
I get the error below. All works fine until I add the CASE.
Error Codes: YQCO4T56:OPR4ONWY:U9IM8TAC:OI2DL65P
Location: saw.views.evc.activate, saw.httpserver.processrequest, saw.rpc.server.responder, saw.rpc.server, saw.rpc.server.handleConnection, saw.rpc.server.dispatch, saw.threadpool, saw.threadpool, saw.threads
Odbc driver returned an error (SQLExecDirectW).
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. [nQSError: 27002] Near <>=>: Syntax error [nQSError: 26012] . (HY000)
Can you use a case statement in a filter? If not, what are the other options, if any?
ThxAccording to your requirements, when the month is January, you want all 12 months; any other number and you want months from 1 to "1 less than the current month number." Yes? Okay, here's what to do:
In the filter on your date column, click on the filter button, convert it to SQL and enter this:
MONTH(tablename.date_column) BETWEEN 1 AND CASE WHEN MONTH(CURRENT_DATE) = 1 THEN 12 ELSE MONTH(CURRENT_DATE)-1 END
Here's the logic:
a) When the current month is January, then the case statement will yield 12 and the filter will be:
WHERE MONTH(tablename.date_column) BETWEEN 1 AND 12 ...or all 12 months.
b) When the current month is any other month, say June, then the case statement will yield one less than the what the month number is, or in this case 5.
WHERE MONTH(tablename.date_column BETWEEN 1 AND 5 ...or all the months from 1 to 5 (Jan through May)
This will give you what you want... -
CASE statement in Calculated column
Hi Frzz,
I have below requirement in Calculated column with CASE statement. Could some one help me how to achieve this with case statement.
String = 0Hello
01Hello
012Hello
0123Hello
If 1st Character of the string is '0' then - 0Hello
1st 2 characters of the String is '01' - 22Hello
1st 3 characters of the String is '01' - 333Hello
1st 4 characters of the String is '01' - 4444Hello
Thank you.
Best Regards,
Krishna.Hi Krishna ,
Using IF and MATCH to do that: ( I took one of the conditions you specified )
IF(match("STRING1",'??0??'),'333Hello',"STRING1")
Output:
Regards,
Krishna Tangudu -
Hi PL/SQL experts,
I'm going a bit loopy here, so could someone please point out what I'm doing wrong with this case statement:
Test procedure is:
CREATE OR REPLACE procedure SCOTT.postcode_validate_2 (input_post_code VARCHAR2) as
alphabet_string VARCHAR2(52) := 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvxwyz';
number_string VARCHAR2(10) := '012345789';
last_part_postcode VARCHAR2(3) := NULL;
BEGIN
IF INSTR(input_post_code,' ') = 0
THEN
DBMS_OUTPUT.PUT_LINE('We need a space in the postcode please');
GOTO exit;
ELSIF LENGTH(SUBSTR(input_post_code,instr(input_post_code,' ')+1)) > 3
THEN
DBMS_OUTPUT.PUT_LINE('Last part of postcode can only be 3 characters');
GOTO exit;
ELSE
last_part_postcode := SUBSTR(input_post_code,instr(input_post_code,' ')+1);
END IF;
CASE input_post_code
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 2
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(number_string,substr(input_post_code,2,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format A9')
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format A9');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 3
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(alphabet_string,substr(input_post_code,2,1)) != 0
AND instr(number_string,substr(input_post_code,3,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format AA9')
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format AA9');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 3
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(number_string,substr(input_post_code,2,1)) != 0
AND instr(number_string,substr(input_post_code,3,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format A99')
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format A99');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 3
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(number_string,substr(input_post_code,2,1)) != 0
AND instr(alphabet_string,substr(input_post_code,3,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format A9A')
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format A9A');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 4
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(alphabet_string,substr(input_post_code,2,1)) != 0
AND instr(number_string,substr(input_post_code,3,1)) != 0
AND instr(number_string,substr(input_post_code,4,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format AA99')
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format AA99');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 4
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(alphabet_string,substr(input_post_code,2,1)) != 0
AND instr(number_string,substr(input_post_code,3,1)) != 0
AND instr(alphabet_string,substr(input_post_code,4,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format AA9A')
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format AA9A');
-- GOTO exit;
-- END IF;
END;
-- Check last part of format, should be AA9
IF (instr(number_string,substr(input_post_code,1,1)) != 0
AND instr(alphabet_string,substr(input_post_code,2,1)) != 0
AND instr(alphabet_string,substr(input_post_code,3,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('End part of the postcode is in the correct format, 9AA');
ELSE
DBMS_OUTPUT.PUT_LINE('End part of the postcode is in the wrong format!');
END IF;
<<exit>>
DBMS_OUTPUT.PUT_LINE('Please try again');
END;
However, I'm getting the following error:
LINE/COL ERROR
37/6 PLS-00103: Encountered the symbol "WHEN" when expecting one of
the following:
:= . ( % ;
On a second note, can I not have the ELSE structure embedded within the case (currently commented out)?
Thanks very much in advance.
DevFixed code:
CREATE OR REPLACE procedure postcode_validate_2 (input_post_code VARCHAR2) as
alphabet_string VARCHAR2(52) := 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvxwyz';
number_string VARCHAR2(10) := '012345789';
last_part_postcode VARCHAR2(3) := NULL;
BEGIN
IF INSTR(input_post_code,' ') = 0
THEN
DBMS_OUTPUT.PUT_LINE('We need a space in the postcode please');
GOTO exit;
ELSIF LENGTH(SUBSTR(input_post_code,instr(input_post_code,' ')+1)) > 3
THEN
DBMS_OUTPUT.PUT_LINE('Last part of postcode can only be 3 characters');
GOTO exit;
ELSE
last_part_postcode := SUBSTR(input_post_code,instr(input_post_code,' ')+1);
END IF;
CASE
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 2
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(number_string,substr(input_post_code,2,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format A9');
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format A9');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 3
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(alphabet_string,substr(input_post_code,2,1)) != 0
AND instr(number_string,substr(input_post_code,3,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format AA9');
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format AA9');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 3
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(number_string,substr(input_post_code,2,1)) != 0
AND instr(number_string,substr(input_post_code,3,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format A99');
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format A99');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 3
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(number_string,substr(input_post_code,2,1)) != 0
AND instr(alphabet_string,substr(input_post_code,3,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format A9A');
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format A9A');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 4
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(alphabet_string,substr(input_post_code,2,1)) != 0
AND instr(number_string,substr(input_post_code,3,1)) != 0
AND instr(number_string,substr(input_post_code,4,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format AA99');
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format AA99');
-- GOTO exit;
-- END IF;
WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 4
AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
AND instr(alphabet_string,substr(input_post_code,2,1)) != 0
AND instr(number_string,substr(input_post_code,3,1)) != 0
AND instr(alphabet_string,substr(input_post_code,4,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format AA9A');
-- ELSE
-- DBMS_OUTPUT.PUT_LINE('Sorry but that is an incorrect postcode! Format AA9A');
-- GOTO exit;
-- END IF;
END CASE;
-- Check last part of format, should be AA9
IF (instr(number_string,substr(input_post_code,1,1)) != 0
AND instr(alphabet_string,substr(input_post_code,2,1)) != 0
AND instr(alphabet_string,substr(input_post_code,3,1)) != 0)
THEN
DBMS_OUTPUT.PUT_LINE('End part of the postcode is in the correct format, 9AA');
ELSE
DBMS_OUTPUT.PUT_LINE('End part of the postcode is in the wrong format!');
END IF;
<<exit>>
DBMS_OUTPUT.PUT_LINE('Please try again');
END;
/As VG2 pointed out you were missing some semicolons.
Also, CASE input_post_code was replaced with just CASE since you are doing a searched case.
Also, END at the end of the case statement was replaced with END CASE. -
Case statement in advanced sql
how to use case statement in advanced sql.Example if quarter=1 i need to select jan,fev,and march months from table
this is the case statement i am using :
case when 1=@{quarter} then substring(cast((etxnmis.month_year) as char) from 5 for 2) IN ('03', '04', '05') else null end
and i get the below error
: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 27002] Near <IN>: Syntax error [nQSError: 26012] . (HY000)
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