Doing union of data model child objects

[kamalm1]

Data Model Name Child Objects Property Values
datamodel1

childobject1 Description

record1
record2

                                 childobject2                          Description  
                                                                                                record3
                                                                                                record4

Final output required as through search query not in data model record1

record2

record3

record4

[kamalm1]

| set union [| datamodel

Above solution is verified and working.

[MuS]

Try this instead http://answers.splunk.com/answers/215346/best-practices-to-join-two-child-objects-of-a-data.html , it will be much faster