pgvector version 0.5.0 is now available for Aiven for PostgreSQL®.
It introduces new features and bug fixes on top of release 0.4.2.
Key features
- New
- HNSW index type
- Support for parallel index builds for IVFFlat
l1_distance
function- Element-wise multiplication for vectors
sum
aggregate
- Improved
- Performance of distance functions
- Error message for malformed vector literal
- Cost estimation
- Support for spaces with text input
Bug fixes
- Fixed out of range results for cosine distance
- Fixed results for NULL and NaN distances for IVFFlat
- Fixed segmentation fault with index creation on i386
- Fixed segmentation fault with text input
- Fixed consecutive delimiters with text input
- Fixed infinite and NaN values with binary input
- Fixed infinite values with vector addition and subtraction
- Fixed infinite values with list centers
- Fixed compilation error when
float8
is pass by reference - Fixed compilation error on PowerPC