[Koha-devel] Authority merge

[Marcel de Rooy]

Hi developers,

I have a question on the update of biblio records after changing an authority. The 3.0 / 3.2 code in authorities.pl/AuthoritiesMarc.pm apparently replaces the complete MARC field in the biblio record (say 700) with the report tag of the authority record (say 100 for PERSO_NAME).
This means that if I have an additional subfield e.g. 4 (relator code) in the biblio record with such an authority, an update of the authority record (without such a relator code) simply discards such extra subfields on the biblio side.

My question is: Are we misunderstanding MARC in my library and should we always put the relator code on the authority side, or is this code doing something unintentional ??
If the first is true and I would have two separate relator codes for one authority, should I then make one authority record per relator code? It seems somewhat odd..
If the latter should be the case, I could write a bug report and submit a patch for it.

Thanks for your time.

Marcel

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