Multi Row Delete Error

Hi,
Am trying to do a multi row delete on a report. Have added a [row selector] to the report and a 'multi row delete' process. Copied this from a sample app i got, but when i try and delete a row(s) i get the following error message:
Unexpected error, unable to find item name at application or page level.
ERR-1002 Unable to find item ID for item "P2_ROWS" in application "120".
Can anyone give me any hints as to why this might be happeneing?
Best regards
Simon

Simon,
Are you still having trouble with this?
Scott

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Tabular form - Multi row delete error

Apex 4.0.2
We have a simple CRUD type of application on a bunch of tables built using Apex v1.6 that has, over the years, been upgraded to v4.0.2 and it is working mostly fine. It uses all out-of-the-box standard components, forms, classic reports, nothing too fancy. Recently one of the tabular forms started to misbehave, the multi-row-delete process raises a No Data Found error. The tabular form is based on a view with a INSTEAD OF trigger to handle the DML. Manually deleting the row in SQL*Plus works fine delete from mytab here pk_id = :pk_id but selecting the same row in Apex and clicking Delete raises the error.
How does one go about troubleshooting & fixing this sort of thing? I tried re-saving the region in the Builder, exporting/importing the entire app, nothing. Running in Debug mode doesn't really provide any additional information, just that the MRD process failed. Tabular forms are the most frustrating, opaque component in Apex, wish they were easier to troubleshoot.
Any ideas?

Hello Vikas,
>> How does one go about troubleshooting & fixing this sort of thing?
By given us a bit more information :)
• Is it a manual Tabular Form (using the ITEM API) or a wizard created one?
• Are the Insert/Update operations work correctly? If not, what is the type of your PK column(s)?
• If the problem is limited to the Delete operation, maybe the problem lies with the checkbox column. Are you sure that on page it is rendered as the f01 column?
• As triggers are involved, can you save the PK that the trigger sees? Is it the expected value?
• Are there any other processes that are fired before the DML process? If so, maybe the problem is with them. You can temporarily disable them and see if it change anything.
>> Tabular forms are the most frustrating, opaque component in Apex, wish they were easier to troubleshoot
Yes, I agree. However, I believe that 4.1 made some serious advancement where Tabular Form is concerned. Having simplified Tabular Form related Validations and Process should make things easier, and as a result, prone to less errors. Still, the main problem is that the type of error you are talking about is usually the result of metadata problems and these are indeed very hard to track.
Regards,
Arie.
&diams; Please remember to mark appropriate posts as correct/helpful. For the long run, it will benefit us all.
&diams; Author of Oracle Application Express 3.2 – The Essentials and More

ORA-20001: Error in multi row delete operation: ORA-01403: no data

Whenever I attempt a multi-row delete on my master detail page, I recieve the error:
ORA-20001: Error in multi row delete operation: ORA-01403: no dataI have seen in other threads that the primary key attribute of the underlying table needs to be set to 'Show' in the report attributes. I have tried this both with it displaying as 'Hidden' ('Show' is unchecked) and with it displaying as text. Either way still gives me the same error.
Is there anything else not mentioned in the other threads that could be causing this error for me?
Thanks.
BoilerUP

Jimmy,
In your multi row delete process you specify schema name, table and column name. Your report needs to be of type âSQL query (Updateable report)â. And your report needs to include the primary key column of your table. The column or alias name of that report column needs to correspond with the actual column name of your table.
Marc

Problem with multi row delete

Hi, I'm new in apex and I tried to build master detail report on some view. Everything is cool but "delete checked" doesn't work.
"ORA-20001: Error in multi row delete operation: row= , ORA-06502: PL/SQL: numeric or value error: NULL index table key value,"
the problem is that I don't know what is wrong :), I have a special trigger "instead of delete on MY_VIEW", but in this error problem is not explained.
Anybody knows what can be wrong? It is probably a problem with trigger or multi row doesn't work with views? I couldn't find how MRD knows what kind of statement use to delete rows so I don't know if the statement that program used is correct. In debug it lokks that:
0.32: ...Do not run process "ApplyMRU", process point=AFTER_SUBMIT, condition type=REQUEST_IN_CONDITION, when button pressed=
0.32: ...Process "ApplyMRD": MULTI_ROW_DELETE (AFTER_SUBMIT) #OWNER#:MY_VIEW:ITEM1:ITEM2
0.33: Show ERROR page...
0.33: Performing rollback...
thanks for any help
//sorry for english mistakes
edit: it doesn't matter if I use in trigger delete from ... where item1=:OLD.item1 ; or if I use item1=:P4_item1 (which actually saves correct values)
Edited by: user5931224 on 2009-06-13 08:55

I realised that this is not a problem with trigger, I changed trigger to "NULL;" and problem is the same. Maybe sb used master detail on view not only on tables and know what can be wrong in this situation?

Multi-row Delete (MRD) on a view?

All,
I created a tabular form on a view, using an instead of trigger to encapsulate the logic for the data manipulations. Works great--until someone checks a row and hits the delete button, at which point APEX throws this error:
ORA-20001: Error in multi row delete operation: row= 107970-18527, ORA-06502: PL/SQL: numeric or value error: character to number conversion error,
Error multi row operation failedAs far as I can tell, it's not even getting to the trigger; I commented out the body of the instead of delete trigger (replacing it with null), and I'm still getting the same error. I have no validations or processes on the page at this point.
The underlying data of the view requires three columns for a unique identifier, so I've concatenated two of them together as an extra column in the view (creating a varchar2 column), and told the MRD to use the calculated column and the third column as the primary key columns. But even using two of the three numeric columns (tweaking the trigger to use a hard-coded value for the third) as an ID fails miserably.
Any idea what's going on?
Thanks,
-David
(In case it makes a difference, we're on APEX 4.0.1.)

Hi David,
This might help:
http://oraclequirks.blogspot.com/2011/07/ora-20001-error-in-multi-row-delete.html
Hope it helps!
Regards,
Kiran

Multi Row Delete and then I get a unique contraint violation on my PK

I have a simple table with 2 columns, one a PK. I have a checkbox style, multi-row delete function setup on this (to be honest, APEX set this up automatically).
I removed the add/edit functionality to keep just the delete button and delete procedure.
When I select an item, and then click delete, I get a unique constraint violation that I'm violating my Primary Key.
How can I fix this, or see what it's doing when it tries to delete the row?

Hi,
It sounds as though you haven't properly removed all of the add/edit functionality or that you still have some form of validation and/or computation in place or that you have a trigger that is trying to insert records into, for example, a history table (is the constraint on the table you are deleting from - the error message should tell you this?)
Check that the only process you have is ApplyMRD and that this is pointing to the correct table and has the correct primary key set. Ensure that this has Conditional Processing set for a Request of "MULTI_ROW_DELETE".
Check for any validations - there is no need to perform validations if your user can not insert or update data unless you want to check that they've ticked one or more checkboxes.
Check for processes that could run if the user clicks the Delete button. Validations and processes could be conditional on either the button click or on request = "MULTI_ROW_DELETE".
Review any triggers that you have on the table to ensure that deletions do not try to insert records into another table where the primary key on that table is not being populated.
Regards
Andy

Validation in a Multi Row Delete

Hi all,
i made a page with an updateable report region - all works fine.
But now i want to do a validation in the process 'Multi Row Delete'.
The aim is to guarantee that the specific row is not deleted if the validation for that row fails.
How can i achieve that?
Any feedback is welcome.
Best regards
Martin

Hi,
many thanks for your reply.
Yes in my case it is a tabular form and the validation should be done vor 'multi row delete'. Accordingly to the article you mentioned i created a validation with the following PL/SQL code:
DECLARE
vRow PLS_INTEGER;
BEGIN
FOR i in 1..apex_application.g_f01.COUNT LOOP
IF apex_application.g_f01(i) IS NOT NULL THEN
vRow := TO_NUMBER(apex_application.g_f01(i));
IF lpkom_api.checkPersonAssigned(apex_application.g_f03(vRow)) THEN
RETURN 'Delete is not allowed for this row.';
END IF;
END IF;
END LOOP;
END;
Best regards
Martin

Multi Row Delete & Row selector in 1.5

Hi All,
Please forgive my ignorance.
But, are these processes (Multi Row Delete, Row selector) not available for HTML DB 1.5.
What is the other way to do this.
Thanks
Monika

Hi Monika,
It's been a while since I used 1.5 so I can't answer that, however whilst I'm not generally in favour of upgrading just for the sake of it, is there a reason why you wouldn't consider upgrading to a later release?

Multi-Row Delete from a table via a button without submitting the page

Hi,
I have a simple page based on a (temporary) table. There is a submit button that calls a PL/SQL process. However, I would like to have an 'Abort' button that deletes all rows from the table belonging to a specific user.
I had a look at 'Processes -> Data Manipulation --> Multi Row Delete' but this can only be linked to a page level event such as onSubmit. My onSubmit is linked to another process so this is not an option for me.
I thought of creating a PL/SQL function for the deletion and calling it from Javascript linked to a button. I have done the PL/SQL and the button but don't know how to call PL/SQL from JS. And is this the correct way of doing something like a deletion? Any documents that show how can this be done will be much appreciated....
I had a look at the forum and the documentation but could not find anything for multil-row deletion triggered from a button.
Your help is appreciated as I'm a newbie :-)
Thanks
Angela

Hi,
I actually found the solution. I created a button (that submits) and a computation that calls the PL/SQL function conditional on that button being pressed. Initially I got confused because I already had another PL/SQL function attached to different button. I didn't think that having two buttons that submit the page and call different functions was possible.
Thanks
Angela

Multi-row delete

Hello,
I want to display a checkbox in a multi-row query for deletion.
when the user will submit, I want to delete all checked record.
I've tried to do it by creating a checkbox in the select statement of the query (select HTMLDB_ITEM.CHECKBOX (1, 'Y') checkbox, ...) and create a process to do the delete. Here my process code:
declare
l_val_rows varchar2(400) default null;
begin
for i in 1..htmldb_application.g_f01.count loop
if instr(nvl(htmldb_application.g_f01(i),0),1) > 0 then
delete gsr_corporates where id = htmldb_application.g_f02(i);
end if;
end loop;
end;
2 problems:
1)
When I submit, if my checkbox is not checked, I get error "Error in mru internal routine: ORA-20001: no data found in tabular form". If checked, it is working.
2)
When checked, I get the error "Error in mru internal routine: ORA-20001: Checksum column ("FCS") is required and was not supplied".
So, is it a good way to do what I want? If yes, what's wrong? If no, what is your suggestion?
Thank you
Jean

Jean,
Please take a look at this example:
http://www.oracle.com/technology/products/database/htmldb/howtos/checkbox.html#HANDLE
The problem is that when a checkbox is not checked, there is no corresponding entry in the array. Thus, the array indexes for f01 and f02 will be out of sync. To fix this, make the value of a checkbox, when checked, the primary key of the row you want deleted. Then you can simply walk through one array and delete every row that corresponds to an entry in it.
Sergio

Multi Row Update Error

Hello Everyone
I get the following error when attempting to perform a multi row update. Is anyone able to advise what the issue is?
Error in mru internal routine: ORA-20001: Error in MRU: row= 1, ORA-20001: ORA-20001: Current version of data in database has changed since user initiated update process. current checksum = "F71A42E70B86E7C8A14343633169264E", item checksum = "43A7146FE322237B683C4139D66E4DC5"., update "CSS_PRODUCTIVITY"."CENTREDATAASSOCIATIONS_TEST" set "MONTH" = :b1, "TM1_PREMISE_NAME" = :b2,

hi oolite
i can't help you with your problem
but i have one suggestion
i don't know whether you created your tabular form with the wizard or manually
when you use the wizard
i would suggest that you try to build a tabular form manully
in fact it is a little bit more work but i think all what you have done by yourself
is more transparent and errors should be found easier
other suggestions take a look
Error in mru internal routine: Error in MRU
Error in mru internal routine
or search for error on mru
sorry that i can't tell you more

Built-In Multi Row Update - Error on 9i but not 10g

Hello,
I've just moved my application from APEX 2.0 on Oracle 10g to APEX 2.0 on Oracle 9i and now when the MRU process for a Tabular Form runs, I get this error:
Error in mru internal routine: ORA-20001: Error in MRU: row= 0, ORA-20001: ORA-20001: Current version of data in database has changed since user initiated update process. current checksum = "34F541D6AF533308E50C1F36D78F72DD", item checksum = "A884FA308C851783DDFE3A33709CB23C"., update "PAVEL_TEST_SCHEMA"."MYTABLE" set
The data is not changing between the time I load the form and the time the MRU runs, I know that for a fact, so it must be something else. What could it be?
Thanks,
Pavel

I've just discovered that no tables on this schema are being used. Instead, there are synonyms for the tables. That's probably what causes the problem. Is there a reasonable workaround?
Thanks,
Pavel

Multi Row Delelte - Delete all rows

I have a multi row delete button with multi row checkboxes. When I tried to delete the selected rows, actually all rows are deleted. I have a multi row delete process.
Other information:
This tabular form displays all related users for one particular department. The department ID is the primary key in this reference table.
I am using APEX 2.2 and IE as browser. Any one else here know what settings I should set.

After review previous thread, I created the following PL/SQL expression for the multi row delete process in the condition field:
FOR I IN 1..APEX_APPLICATION.G_F01.COUNT LOOP
DELETE FROM tbl
WHERE colNM = APEX_APPLICATION.G_F02(APEX_APPLICATION.G_F01(I))
END LOOP;
END;
I also tried htmldb_application.g_f01.count to reference the selected rows. Both of them are not working. Someone, please help, where should I put this PL/SQL expression. I am pretty to APEX.
Thanks.

Multi Row Insert

I have read a few posts that mention a multi-row-insert but I can't find it.
There is a multi row update and a multi row delete.
I am using html db 1.6. We will be upgrading after we get this version of our app up and running, but don't want to take time out for the upgrade right now.
Is multi_row_insert new to Application Express 2.0?
Thanks,
Gregory

No, the multi row insert is not new to 2.0
The builtin MRU processes handle multi-row updates and multi-row inserts. However, the default Add Rows process that the wizard creates on a tabular form does create only 1 blank row when you click the Add Row button. To increase this, just open the Add Rows process page and change 1 to a different number.

Multi-row sub query returns ORA-00904 :invalid identifier error

I am creating a report from two tables that I am not joining. I want a single line for every row in table1 that meets a date range. Table2 can contain none or many rows for each recored in table1. I want to get up to two fields from table2.
I was using a case statement to check if there was data and then an in-line query or subquery. Once again, the idea is to have a single line on the report for each table1 record.
I get this error with the code below. It seems the nested multi-row subquery can not see the a.cr_mas_cr_no identifier.
ORA-00904: "a"."cr_mas_cr_no": invalid identifier
Any help is greatly appreciated,
Sam
select
a.cr_mas_cr_no "CRNO", a.cr_mas_type "TYPE", a.cr_mas_status "CR Status",
a.cr_mas_date_logged "Logged date", a.CR_REL_REQ_APP_DATE "RTP approved",a.CR_REL_REQ_RTP_DATE "RTP Date",
a.cr_accepted_date "Complete", a.cr_mas_submitted_by "Requester",
select doc_user FROM crrm_cr_documents WHERE doc_cr_number =a.cr_mas_cr_no and rownum = 1 and DOC_TYPE = 'BD' ) "Bus Design",
(select doc_user FROM crrm_cr_documents WHERE doc_cr_number = a.cr_mas_cr_no and rownum = 1 and DOC_TYPE = 'TD' ) "Tech Design",
(select doc_user FROM crrm_cr_documents WHERE doc_cr_number = a.cr_mas_cr_no and rownum = 1 and DOC_TYPE = 'TE' ) "User acceptance test",
case
when (select count(appr_user) from crrm_cr_approvals where appr_cr_no = a.cr_mas_cr_no and appr_type = 'RTP') > 0
then (select appr_user from (select * from crrm_cr_approvals where appr_cr_no = a.cr_mas_cr_no and appr_type = 'RTP') where rownum = 1)
end
"RTP #1",
case
when (select count(appr_user) from crrm_cr_approvals where appr_cr_no = a.cr_mas_cr_no and appr_type = 'RTP') > 1
then (select appr_user from (select * from crrm_cr_approvals where appr_cr_no = a.cr_mas_cr_no and appr_type = 'RTP') where rownum = 2)
end
"RTP #2",
a.CR_REL_REQ_RTP_BY "Released by",
a.CR_ACCEPTED_BY "Post RTP User Acceptance",
a.cr_mas_title "Title", a.cr_mas_id "ID"
from
crrm_crmaster a
where
(a.CR_REL_REQ_RTP_DATE >= :P1109_BEGDATE and (a.CR_REL_REQ_RTP_DATE <= :P1109_ENDDATE) and
(a.cr_mas_status = 'Complete' or (a.cr_mas_status = 'Release Approved'and a.CR_REL_REQ_APP_DATE < :P1109_ENDDATE))
Message was edited by:
slavanaway

Iceman,
Thanks for the reply I will try your suggestion.
I will try and explain why I think two subqueries (an in-line query with a subquery?) are required. I will use the creation of the column RTP #1 as the example as the RTP #2 column is only different in the rownum selected.
Looking only at the lines that fail, here is my analysis. (If I rem out the two case lines the query runs, I just don't get two columns of data I need.) I will only examine the first case as the second is changed to extract the second approval via the rownum = 2 criteria. The first statement checks there is at least one RTP approval stored for the request and then gets the user who approved the request if the test is true.
case when
(select count(appr_user) from crrm_cr_approvals where appr_cr_no =a.cr_mas_cr_no and appr_type = 'RTP') > 0
then
The above part works fine and the correct count of approvals is returned.
(select appr_user from (select * from crrm_cr_approvals where appr_cr_no=a.cr_mas_cr_no and appr_type = 'RTP') where rownum = 1)
end
"RTP #1",
I moved the parenthesis to the correct location. There can be multiple approvals for a given parent record. Some parent records need one, some need two approvals. If I replace
(select appr_user from (select * from crrm_cr_approvals where appr_cr_no =a.cr_mas_cr_no and appr_type = 'RTP') where rownum = 1)
with
(select appr_user from approvals where appr_cr_no =a.cr_mas_cr_no and appr_type = 'RTP' and rownum = 1)
The correct result is returned because it returns exactly one row as rownum=1 limits the query. When rownum = 2 then the query returns null as the rownum never gets to two as the rownum column is built via the set created by the second subquery.
The subquery builds a set of approvals for a specific "cr_no" and appr_type of "RTP". the outer query then looks at the rownum of the second query
Here is where I got the rownum information from;
http://www.oracle.com/technology/oramag/oracle/06-sep/o56asktom.html
So here is what I think is happening;
1. Main query From and Where are processed. This should provide the "set" for the query
2.The from subqueries for RTP #1 and RTP #2 should be able to access the a.cr_mas_cr_no field and build a set from the approvals table.
3.The RTP #1/2 subquery (inline maybe a better description?) would then get the correct row from the from subquery.
The error "invalid identifier" refers to the a.cr_mas_cr_no field. I assume it means it can not resolve the table alias inside the subquery.
So maybe your grouping would help, I will try.
Sam

Multi Row Delete Error

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