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2c3a699af3
Add 30+ SPARQL 1.1 built-in functions and the MINUS algebra operator to the custom SPARQL query backend. String functions: - SUBSTR (2-arg and 3-arg forms), STRBEFORE, STRAFTER - REPLACE (regex with flags), ENCODE_FOR_URI Numeric functions: - FLOOR, CEIL, ROUND, ABS Date/time accessors: - YEAR, MONTH, DAY, HOURS, MINUTES, SECONDS - NOW, TZ Hash functions: - MD5, SHA1, SHA256, SHA512 Term constructors: - IRI/URI, BNODE, UUID, STRUUID Other functions: - LANGMATCHES, RAND - EXISTS / NOT EXISTS (with async pre-evaluation to bridge the sync expression evaluator and async algebra evaluator) Algebra: - MINUS set-difference operator - HAVING already works via rdflib's Filter mapping (verified) Fix SPARQL ORDER handling Includes 653 lines of new unit tests covering all added functionality across expressions, solutions, and algebra layers. |
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| .. | ||
| trustgraph | ||
| pyproject.toml | ||
| README.md | ||