oxigraph/CHANGELOG.md

Master

Added

• SPARQL 1.1 Update support for Rust, Python and JavaScript. All store-like classes now provide an update method.
• SPARQL 1.1 Query Results CSV and TSV Formats serializers and TSV format parser.
• SPARQL 1.1 Graph Store HTTP Protocol partial support in oxigraph_server. This protocol is accessible under the /store path.
• The SPARQL Query and Update algebra is now public.
• The stores are now "graph aware" i.e. it is possible to create and keep empty named graphs.
• A simple built-in HTTP client. In the Rust library, is disabled by default behind the http_client feature. It powers SPARQL federation and SPARQL UPDATE LOAD operations.
• std::str::FromStr implementations to NamedNode, BlankNode, Literal, Term and Variable allowing to easily parse Turtle/SPARQL serialization of these terms.
• Optional Sled storage for oxigraph_server.

Removed

• The default_graph_uris and named_graph_uris parameters from pyoxigraph query methods.
• Python 3.5 support.
• (Memory|RocksDB|Sled)Store::prepare_query methods. It is possible to cache SPARQL query parsing using the Query::parse function and give the parsed query to the query method.

Changed

• Loading data into oxigraph_server is now possible using /store and not anymore using /. For example, you should use now curl -f -X POST -H 'Content-Type:application/n-quads' --data-binary "@MY_FILE.nq" http://localhost:7878/store to add the N-Quads file MY_FILE.nt to the server dataset.
• Fixes evaluation of MONTH() and DAY() functions on the xsd:date values.
• Variable::new now validates the variable name.
• (Memory|RocksDB|Sled)Store::query does not have an option parameter anymore. There is now a new query_opt method that allows giving options.
• xsd:boolean SPARQL function now properly follows XPath specification.
• Fixes SPARQL DESCRIBE evaluation.

Disk data format

The disk data format has been changed between Oxigraph 0.1 (version 0) and Oxigraph 0.2 (version 1). Data is automatically migrated from the version 0 format to the version 1 format when opened with Oxigraph 0.2.

[0.1.1] - 2020-08-14

Added

• The "sophia" feature implementing the sophia_api traits on Oxigraph terms and stores.
• Explicit types for quads iterators returned by stores.

Changed

• QueryOptions::with_default_graph now takes an impl Into<GraphName> instead of an impl Into<NamedNode>.
• QueryOptions::with_named_graph now takes an impl Into<NamedOrBlankNode> instead of an impl Into<NamedNode>.
• pyoxigraph query methods now takes two new parameters, default_graph and named_graphs. default_graph_uris and named_graph_uris parameters are deprecated.
• Fixes a bug in xsd:gYear parsing.

[0.1.0] - 2020-08-09

Added

• QueryOptions now allows settings the query dataset graph URIs (the SPARQL protocol default-graph-uri and named-graph-uri parameters).
• pyoxigraph store query methods allows to provide the dataset graph URIs. It also provides an option to use all graph names as the default graph.
• "default graph as union option" now works with FROM NAMED.
• pyoxigraph now exposes and documents Variable, QuerySolution, QuerySolutions and QueryTriples

[0.1.0-rc.1] - 2020-08-08

Added

• oxigraph Rust library with SPARQL 1.1 query support and memory, Sled and RocksDB stores.
• oxigraph_server standalone SPARQL server.
• oxigraph_wikibase standalone SPARQL server loading data from a Wikibase instance.
• pyoxigraph Python library based on Oxigraph.
• oxigraph NodeJS library based on Oxigraph.