Extensions / Functions and aggregates
Experimental C extension providing scalar distance, text similarity, and one-dimensional array similarity functions derived from smlar.
pgext.cloud · Source code · Documentation · Control file
| Package | postgresql_extension |
|---|---|
| Version | 1.0 |
| Repository | Unspecified |
| Extension type | Standard |
| Requires CREATE EXTENSION | Yes |
| Requires preload | No |
| Trusted | No |
| Relocatable | Yes |
| Stars | 1 |
| Latest commit | 2019-01-16 |
| Catalogue updated | 2026-08-30 |
| pg_similarity | support similarity queries |
| hamming_distance | Hamming distance and similarity functions for hexadecimal feature-vector strings. |
| tanimoto | Fast C implementation of the Tanimoto similarity coefficient for PostgreSQL bit-varying fingerprints. |
| vmatch | Text similarity functions and a fuzzy-match /= operator with typo-aware weighting. |
| pg_trgm | text similarity measurement and index searching based on trigrams |
| colors | C functions for perceptual color-distance calculations in the CIE L*a*b* color space |
| pase | PostgreSQL ultra-high dimensional approximate nearest neighbor search extension. |
| smlar | Effective similarity search |