ORA-01403: no given available problem when you use FETCH of AUTOMATIC LINE to fill
ORA-01403: no given available problem when you use FETCH of AUTOMATIC LINE to fill out a form.1) has created a FORM on the use of assistants of EMP. This creates an AUTOMATIC FETCH of LINE
NAME OF THE TABLE - EMP
The PRIMARY KEY containing - P2099_EMPNO point
Primary key column - EMPNO
By default, automatic extraction has a "process Error Message' of"Unable to fetch line."
(2) created an HTML region. In this region add
text P2099_FIND_EMPNO element
GET_EMP submit button
The update branch the conditional branch created when the Create button to set P2099_EMPNO with & P2099_FIND_EMPNO.
If I then turn the page, enter an employee in P2099_EMPNO number and press the GET_EMP button, the form is filled correctly. But if I get an employee who does not exist, then I get error oracle ORA-01403: no data found and no form but a message at the top of the page 'Action transformed '. I was expecting a blank form is displayed with the message 'Could not extract line.'
In conditioning automated extraction so that it checks that the line exists first, I can work around that. Change the fetch EMP automated line so that it is conditional
EXIST (SQL query returns at least one row)
Select 'x '.
from EMP
where EMPNO =: P2099_EMPNO
But this means that when the employee exists I must be get DB twice, once to the State, and then again for the extraction of the actual line.
I can't change so I don't get the Oracle error, rather than work around for a above is there something? I wonder now if the automatic extraction of line is only supposed to be used when you bind a report to a form and that I should manually write the extraction process. The reason for which I don't have at the moment, it is that I'm trying to stick with the auto generation Assistant as I can.
Any ideas?
Thanks, Pete
Pete:
The process Assistant APEX (ARF, ARP etc) errors are generally not recoverable. The error encountered is simply displayed on a page by using the model of "Error Message. So as you said yourself, you create your own process line Fetch and have the opportunity to customize the management mistakes, or you paste a validation on the page to verify that a folder can be accessed for the views expressed.
CITY
Tags: Database
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