SID-02295: Get the "Grandparent" of a topic

Status:	Answered	TWiki version:	6.0.0	Perl version:	v5.10.0
Category:	CategorySearch	Server OS:	Suse Linux Enterprise Server 11 SP1	Last update:	9 years ago

I have the following structure of topics (If I show it in Treeview):

Application1

...+-- ProvServ1

......+-- EsbServ1

...+-- ProvServ2

......+-- EsbServ2

......+-- EsbServ3

Application2

...+-- ProvServ3

......+-- EsbServ4

In the Topics "EsbServ1" and "EsbServ2" is a Link to Application2

With a nested search as discribed in the "Formattedsearch"-Topic I get the Infomation, that "Application2" is referenced by "EsBServ1" and "EsbServ2".

So far so well.

But I needed to know the "Grandparent" of EsbServ1 and EsbServ2 - that is "Application1", because the Question is "Which applications are neccessary, that Application2 can work?".

Is there a way to get the Grandparent in the nested search results, so it looks like

Application2 is referenced by:

Application1-EsbServ1, Application1-EsbServ2

Or is there any other way to get the needed information? i.e. an "nested"

%PARENTTOPIC{topic="%PARENTTOPIC{topic="EsbServ1"}%"}%

Peter Starek - 2017-02-01

Discussion and Answer

Yes, you can nest PARENTTOPIC. Alternatively get first the full breadcrumb with a META:

%META{ "parent" nowebhome="on" format="$topic" separator=", " }%

You can wrap that in a CALCULATE SpreadSheetPlugin formula to get the second last item of the comma-list.

-- Peter Thoeny - 2017-02-01

Thank you

-- Peter Starek - 2017-02-28

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