How to user HTMLDB_COLLECTIONS in a PL/SQL function?

Hi!
I am trying to validate/check that an item from an updateable report is not in a collection before I add the item. I wrote a PL/SQL function to do this. It appears that a "normal" PL/SQL function cannot correctly see the HTMLDB_COLLLECTIONS view. The idea for this was posted to the forum about using a decode statement and a function to detemine whether to display the link value or not for each row. If an item has been added to the collection I want to not display the link. If the item is removed from the collection I need to redisplay the link.
I have tried validations but they depend on the page being resumbitted. And I tried to force that using a branch where the request was = 'ADD'. However everytime I set it up as a redirect to a URL it kept resetting the branch to a 'branch to a page within this application'.
Any suggestions on how to check the HTMLDB_COLLECTIONS before it is updated?
This is V2.0.
Thanks! Dave Venus

Hi!
Yes things work much better when run from within the "application". I had been trying to test the code from both SQL*Plus and from the SQL WorkShop.
The problem I was having even within the application was that I was getting back NULL return values. So I put some exception handling into the code and trapped the
data_not_found and others exceptions. I also had SQL%NOTFOUND code in my function. It appears the SQL%NOTFOUND was not being processed and the exception code was. I can paste the code I was using here if you want.
I went another way around the problem and rewrote the query (esp. the where clause) for the report and it seems to be doing what I need now. I would love to get the function working and understand how it should have worked so that I can use that functionallity in other applications.
Thanks!
Dave Venus

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