Cosmos Rrf overload with weights #36604
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roji changed the title 
cincuranet approved these changes Aug 19, 2025
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As part of some due diligence on Cosmos, I noticed that we're missing the overload of RRF that accepts weights (docs). The RRF function implements hybrid search, which allows combining multiple search results together, typically vector and full-text search. This is a new Ai-related feature in EF 10 that's incomplete without this.
The actual product changes are as minimal as they can be - adding an overload and a tiny fragment to translate it to NoSQL. The rest of this PR involves substantial cleanup almost exclusively on tests (but a bit on the translator as well).
/cc @artl93 @Pilchie