Join does not work if n instances of focused type are referenced from one object of the other type

[JohannaOtt]

Version 4.1.0.SNAPSHOT Build 734217868 Revision 7fd6e6b3c63a30c87cd03f0e513ed8247cb7c871

Abstract case:

• join two featuretypes A and B on their properties a and b
• focus should be on featuretype A
• an object of B links to several instances of A

Concrete use case:

• German XPlanung standard: e.g. featuretypes BP_Plan (B) and BP_TextAbschnitt (A)
• Join with focus on BP_TextAbschnitt (as OfficialDocumentation objects should be created)
• one BP_Plan object references several BP_TextAbschnitt objects
• only one object is identified as match

Example project: 869.zip

The Groovy Join between BP_Plan and BP_TextAbschnitt contains a log message that underlines the issue.

Example data for which the issue occurs can be demanded from me. (note: 5.1 testdata MusterstadtNordwest).

[github-actions[bot]]

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