Join Three SmartObjects

Unfortunately, the way the company is using K2 with just SmartObjects on the K2 server - a Stored Procedure isn't an really an option.  Is there any other methods to do this?

Can you elaborate on what breaks when you try to join the third table? It should be possible to add as many joins as you want to a method of a SmartObject. Screenshots would help us understand the scenario better as well.

I can do the joins in two seperate methods and it works perfect.

When I do 1 method with all the SMOS and 2 links - it breaks.

Basically I have 2 SMOS to hold form data and I need to join it to the Form SMO to give form name.   For filter purposes.

See screenshots.  Hopefully that helps.  Only way I've been able to make it work is a right join from the Form to the primary.

I'm sorry but I would like to know what you mean by it breaks when you add the additional link - does it throw an error? If so, can I please see a screenshot of the error and how your are setting up the links? The details of each row in the "Service Method Links" tab would be most helpful.

The columns are blank. 

If I have one setup - it works and displays

When I set up a method with 1 link - the data appears.

When I setup a method with 2 links - the data does not appear.

Links are:
1st Link:  Form SMO right join to my Environment Table - on the FORMID

2nd Link:  Form SMO right join to my Safety Table - on the FORMID

The Blank Column image is how it displays when I setup 2 links (1 for Environment / 1 for Safety)

The Filled in Column image is how it displays when I just have 1 link. (1 for either of the above alone)

Attaching images again below.

What I'm utimately trying to accomplish is this:

Select
A.column1 as ID,
A.column 2 as FormID,
B.FormDescr, B.FormCategory
from table A join  table B on A.FormID = B.FormID 

union

Select
C.column1 as ID,
C.column 2 as FormID,
B.FormDescr, B.FormCategory
from table C join  table B on A.FormID = B.FormID

I can get this to work in SQL but I can't get it to work using three regular SmartBox SMOs.   With the current business practice here -  I can't create my own SQL Views / Stored Procedures on the K2 Database.   So I'm needing to use Out of the Box functionality if at all possible.

I can get them to individually work but that doesn't help me when I need to have 1 list of everything joined together. 

I've attached screenshots in previous threads that hopefully give an idea.

After discussions - I was able to get it to the point where I am allowed to create Stored Procedures on a different database that got me a solution I needed. 

Ok, great! Sorry I couldn't help you with our other approach, it should've been possible but I couldn't figure out what was going wrong.