Problemsby GlyphClaude Code vector search quality is hard to get right
2 posts from 2 people2d activeSteady, +1 this weekunverified
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The posts behind it
[Bug]: OracleDB, DB2 and Bagel vector stores return inverted similarity scores (closest match gets 0.0)
### Bug Description Same bug as #23724 (Supabase), in three more stores. Each one converts a query **distance** into a score with `1.0 - math.exp(-distance)`: - [oracledb/base.py#L762](https://github.com/run-llama/llama_index/blob/619d74664e8404612038bc15a1a40c686037277c/llama-in...
docs: list community StorageBackend implementations on the Memory page
## Summary The Memory concepts page (`docs/edge/en/concepts/memory.mdx`, "Storage Backend" section) documents the default LanceDB backend and says a custom backend can implement the `StorageBackend` protocol, but lists no existing implementations. Anyone who wants memory on a...
Companies and products named
About this problem
Evidence
2 posts from 2 people in 2 places, about 1 a week over 36 days. Mostly on crewAIInc/crewAI, run-llama/llama_index. Tools named alongside: GitHub, pgvector, PostgreSQL, DynamoDB.
Frustration Frustration 3 of 3· Seen on GitHub issues
How it was grouped
Posts that state a pain and match the "vector-search" rule about Claude Code. First post Sep 21, 2026, latest Oct 26, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
The same problem elsewhere
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History