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I've successfully created a .net assembly BCS to crawl external data in my enviorment. The BCS include an AssociationNavigator to crawl related entities based on foreign key. When i perform a crawl and debug the BCS connector i see that the AssociationNavigator method is hit and it returns the list of related entities. My question is how on earth i get back this data in core search result?

My understanding of related entities was that if i search for a term that is on the 'source' entity, the child entities should return in the search results as well. Am i wrong? Is there any way to make these child entities appear?

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Have you checked the crawled properties being generated/returned when crawling your BCS source? Might me a mapping of crawled properties to managed properties issue..and you can display them. – Mikael - SharePoint MVP Mar 10 at 19:05
When the content is being crawled it calls the NavigatorAccessor method and crawl the child entities. I checked the crawled properties and the properties are there (because of the child entity being crawled regardless of the navigator). I mapped one of these to a managed property but when i try to get it back in the core search result it doesnt come back. If i search for text that is in the child entity directly - it comes back. I fear that FAST doesnt event support this concept of child entities :( – JohnnyT Mar 10 at 19:29
Then my guess is that it's not just FAST, but crawler related to BCS. – Mikael - SharePoint MVP Mar 11 at 7:27

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