Update specific field on SOLR index

Question

I want to using solr for search on articles

I have 3 table:

1. Group (id , group name)
2. ArticleBase (id, groupId, some other field)
3. Arti

Answer 1

You can refer to this documentation for Partial Updates. You can make an update either by replacing it or adding more values to that particular field although (like a list), it's not required in your case