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Feat v0.8.3 vector column #70

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xcaliber merged 1 commits from feat/v0.8.3-vector-column into main 2026-04-03 09:41:33 +00:00
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xcaliber commented 2026-04-03 09:41:29 +00:00
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xcaliber added 1 commit 2026-04-03 09:41:29 +00:00
Feat v0.8.3 vector column type (#70)
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4fed810dd5 
Add vector(N) column type to db_tables manifests with three-tier
progressive enhancement: native pgvector on Postgres, JSONB fallback
without pgvector, TEXT fallback on SQLite. New db.query_similar()
Starlark builtin with dual-path dispatch.

- parseVectorDim validates 1..4096 dimensions
- mapColType gains hasPgvector parameter for tier selection
- HNSW index auto-created on pgvector backends
- starlarkToGoValue extended with list→JSON serialization
- cosineDistance helper for Go-side fallback computation
- ExtensionHandler gains SetCapabilities for install-time DDL
- Roadmap updated: v0.8.4 docs refresh + surface sizing fix

13 new tests (5 schema + 8 db module), all passing with -race.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
xcaliber merged commit 190905b3e6 into main 2026-04-03 09:41:33 +00:00
xcaliber deleted branch feat/v0.8.3-vector-column 2026-04-03 09:41:33 +00:00
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Reference: switchboard/core#70
Delete Branch "feat/v0.8.3-vector-column"

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