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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [CLOSED] Processing Stpes of a FOCEXEC

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[CLOSED] Processing Stpes of a FOCEXEC
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Ed Hogan
Member
posted
What are the Processing Steps (phases) of a FOCEXEC? It's something like this:
1. Read a record
2. Apply the DEFINE's
3. Apply the IF/WHERE filters
4. Sort
etc...

I believe there is a document that lays out the seqnece of events in a TABLE FILE procedure. Can anyone point me to this piece of information

This message has been edited. Last edited by: Kerry,


WebFOCUS 716 MVS DB2 AIX UDB
 
Posts: 18 | Registered: November 14, 2005Report This Post
GinnyJakes
Expert
posted Hide Post
At a gross level:
1. Evaluate and run Dialogue Manager commands, i.e. prompt for amper variables, run -SETs, etc.
2. Parse the master.
3. Read a record.
4. Apply screening conditions on real (fields in the master).
5. Evaluate the defines.
6. Apply screening conditions on defined fields.
7. Build the internal matrix.
8. Perform COMPUTEs.
9. Present the report.

I'm sure that there are more steps. But this should give you an idea of what goes on under the covers.


Ginny
---------------------------------
Prod: WF 7.7.01 Dev: WF 7.6.9-11
Admin, MRE,self-service; adapters: Teradata, DB2, Oracle, SQL Server, Essbase, ESRI, FlexEnable, Google
 
Posts: 2723 | Location: Ann Arbor, MI | Registered: April 05, 2006Report This Post
<JG>
posted
Just to throw confusion into it, it all depends on the data source and setting applied to the adapter in use.

Defines can be processed data server side or WebFOCUS server side dependent on optimization.

So in the perfect scenario all define based selects and calculations will be passed to the data server.

The result of that is that the defines are evaluated before the read and applied at the appropriate location.

If this can happen is adapter specific
 
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Hua
Guru
posted Hide Post
As a new WF user, I was confused with the processing blocks too. Took me a while to realize JOIN is before DEFINE FILE...

I would use the GUI version of Report Painter, go directly to the "Report" when you pull-down the diamond shape connecter.

You will asked to select a synonmy and it will open up the report painter when you do so.

There are 3 basic areas:
1. Preparation Group
- define,join,olap,set...
2. Data manipulation group
-detail, sum, by, across, where/if...
3. Output
-html,pdf,exel...

After you touch base with these areas, look it up in the text editor, and the processing flow is layout nicely for you, in the context you familiar with. Of course this is just one conner of it. Many other good stuff like Diaglog Manager are outside of this box. Go by the book to get the full coverage.

Hua


Developer Studio 7.6.11
AS400 - V5R4
HTML,PDF,XLS
 
Posts: 305 | Location: Winnipeg,MB | Registered: May 12, 2008Report This Post
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