Question

abort_query problem

Asked by: goip

hello, i want help
i make a button in form of forms 6i. i make a trigger on this button 'when_button_pressed.and in it i wrote abort_query. but when i run the form and it is in query mode and i press the button it don't cancel the query but gives the message that 'last record retrieved'. please help me and tell me the valid way to put the cancel query button on my form.
 regards.
Khalid Majeed

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Asked On
2004-01-08 at 01:56:54ID20844599
Tags

abort_query

Topic

Oracle Database

Participating Experts
1
Points
70
Comments
3

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Answers

 

by: adixitPosted on 2004-01-08 at 02:21:31ID: 10069965

abort_query
--------------

Description: Closes a query that is open in the current block.
A query is open between the time the SELECT statement is issued and the time when all the rows have been fetched from the database.  In particular, a query is not open when the form is in Enter Query mode, because the SELECT statement has not yet been issued.

Syntax  PROCEDURE ABORT_QUERY;
Built-in Type   unrestricted procedure

Enter Query Mode  yes
A query is open between the time the SELECT statement is issued and the time when all the rows have been fetched from the database.  In particular, a query is not open when the form is in Enter Query mode, because the SELECT statement has not yet been issued.

Usage Notes
ABORT_QUERY is not the equivalent of the Query, Cancel runtime default menu command.  It does not prevent the initial fetch from the database, but rather interrupts fetch processing, thus preventing subsequent fetches

RESTRICTIONS:
Do not use ABORT_QUERY in the following triggers:

on-Fetch.  The On-Fetch trigger is provided for applications using transactional triggers  to replace default Form Builder functions when running against non-Oracle data sources.  To signal that your On-Fetch trigger is done fetching rows, exit the On-Fetch trigger without issuing the CREATE_QUERIED_RECORD built-in.

Pre-Query.  The Pre-Query trigger fires before the query is open, so there is no open query to close and ABORT_QUERY is ignored. To programmatically cancel Enter Query mode, call the built-in EXIT_FORM, using a When-New-Record-Instance trigger to check a flag as follows:

IF (:global.cancel_query = 'Y'
      and :system.mode = 'ENTER-QUERY')
THEN
     Exit_Form;
     :global.cancel_query = 'N';
END IF;

Then set the flag to 'TRUE' either from a Pre-Query trigger or an On-Error trigger that traps for the FRM-40301 error.

20120131-EE-VQP-002

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