In Helix, how do you add nearest-neighbour search to a graph query?
Table of Contents
Today's lesson quote, straight from the lesson transcript: "no separate index, no separate service".
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In Helix, how do you add nearest-neighbour search to a graph query?
A. Call a separate vector service and join the results by id
B. Add a SearchV segment to the same HelixQL pipeline
C. Keep embeddings as JSON metadata beside each node
D. Build a second index and keep it in sync by hand
Answer
B. Correct. SearchV is one more segment in the same compiled query, next to Out and WHERE.
Why the others are wrong
- A. No. The lesson says there is no separate service to call or join.
- C. No. The lesson says there is no JSON metadata layer to keep in sync.
- D. No. The lesson says there is no separate index; the search lives in the query.
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