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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [SOLVED]FML Top Element Error

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[SOLVED]FML Top Element Error
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T.Peters
Platinum Member
posted
Has anyone ever seen this error message when using FML in Report Painter:

"Top Element is Missing. Would you like to display a data tree anyway"

I cannot find any documentation on what it cannot find nor how to solve it. I am trying to use a permanent HOLD file as an input to my FML report. I have manipulated the metadata to have a PARENT_OF property to allow for the hierarchy I want. Whenever I try to use the file in this manner, I get the error. If I take all the hierarchy pieces out, I am able to pull the elements I want, but they are summarized to a level that I cannot use. I need to be able to show the detail for the elements selected.

I think this may be a specific data issue because I can simulate this report using the CAR tables and everything comes out normally, but when I go to use my production tables, I fail.

This message has been edited. Last edited by: T.Peters,


WebFOCUS: 7702
O/S : Windows
Data Migrator: 7702
 
Posts: 127 | Location: San Antonio | Registered: May 29, 2009Report This Post
Waz
Expert
posted Hide Post
I think that this is related to your data.

Possibly you don't have a record that has no parent, i.e. the opt element.


Waz...

Prod:WebFOCUS 7.6.10/8.1.04Upgrade:WebFOCUS 8.2.07OS:LinuxOutputs:HTML, PDF, Excel, PPT
In Focus since 1984
Pity the lost knowledge of an old programmer!

 
Posts: 6347 | Location: 33°49'23.0"S, 151°11'41.0"E | Registered: October 31, 2006Report This Post
Brian Suter
Platinum Member
posted Hide Post
I believe Waz got that right. To render a tree, ONE row must have a parent pointer that is empty (can't remember if it needs to be blank or missing...)


Brian Suter
VP WebFOCUS Product Development
 
Posts: 200 | Location: NYC | Registered: January 02, 2007Report This Post
T.Peters
Platinum Member
posted Hide Post
Ok, I think I know what you're talking about. Wish there was some kind of documentation somewhere that told me what the heck WF was telling me with this. I'll see what I can do and get back to y'all.


WebFOCUS: 7702
O/S : Windows
Data Migrator: 7702
 
Posts: 127 | Location: San Antonio | Registered: May 29, 2009Report This Post
Hua
Guru
posted Hide Post
I am kind of believe that the data has no parent because FML can only handle a tree, not a forest.

It seems to me that FML has no provision to select a parent at run time, like the normal tabular report where you can have WHERE PARENT EQ &PARENT in the fex.


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Posts: 305 | Location: Winnipeg,MB | Registered: May 12, 2008Report This Post
T.Peters
Platinum Member
posted Hide Post
Thanks for your help, guys. I manually built a hierarchy that has a "Top Element" that expires where my parent id number = 0. That seems to have fixed this issue. I may have more questions regarding this report, but for now this is good. Thanks again.


WebFOCUS: 7702
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Posts: 127 | Location: San Antonio | Registered: May 29, 2009Report This Post
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