pgvector-knowledge-patch
pgvector 0.7+ Knowledge Patch
Claude's baseline knowledge covers pgvector through 0.6.x. This skill provides features from 0.7.0 (Apr 2024) onwards.
Source: pgvector GitHub at https://github.com/pgvector/pgvector
Reference Files
references/vector-types-and-indexing.md— halfvec, sparsevec, bit indexing, binary quantization, expression indexes, subvector extractionreferences/iterative-index-scans.md— iterative scan modes, overfiltering solutions, scan limits, CTE patterns
Quick Reference: New Vector Types (0.7.0)
| Type | Description | Max Indexed | Format |
|---|---|---|---|
halfvec(n) |
Half-precision (float16) vectors | 4,000 dims | Same as vector |
sparsevec(n) |
Sparse vectors | 1,000 non-zero | '{1:val,3:val}/dims' (1-indexed) |
bit(n) indexing |
Binary vector search | 64,000 dims | Standard bit type |
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