RDFStore-0.51

Changes for version 0.51 - 2006-06-19

RDFStore.xs
- fixed bug into RDFStore_Literal_new() when literal is NULL
- fixed bug when using modern threaded versions of perl (added dTHX; definitions)
- updated search() to receive an hash-ref as main paramter (see t/01_rdfstore.t for example)
- updated TIEHASH() to receive bt_compare_fcn_type parameter after mode (alos updated dbms/clinet tests)
- added from() method to DBMS
- added RDFStore::if_modified_since() method
DBMS.pm
- added $DBMS::BT_COMP_INT, $DBMS::BT_COMP_DOUBLE and $DBMS::BT_COMP_DATE definitions accordngly to include/rdfstore_flat_store.h
include/backend_bdb_store_private.h
- added from() method
include/backend_dbms_store_private.h
- added from() method
include/backend_store.h
- added from() method
backend_caching_store.c
- updated to use debug malloc/free
- added from() method
backend_bdb_store.c
- fixed bug into first() and next() methods by removing DB_DBT_MALLOC flag on returned key
- added from() method
backend_dbms_store.c
- added from() method
- misc fixed bugs when returning status and errors to caller
include/rdfstore_ms.h
- added some XSD constants
include/rdfstore_flat_store.h
- added b-tree ordering function support if requested on open/creation
- added from() method
rdfstore_flat_store.c
- added b-tree ordering function support if requested on open/creation
- added from() method
- updated delete() method to properly return FLAT_STORE_E_NOTFOUND if key not found
include/rdfstore.h
- added RDFSTORE_INDEXING_VERSION_KEY and RDFSTORE_INDEXING_VERSION constants
rdfstore_kernel.c
- ignore default model context for data access methods like search() and contains() and use explit parameter
- updated rdfstore_fetch_object() method to consider also bNodes as source node of the CBD
- added xsd:double and xsd:integer b-tree sorted tables
- added simple range search using xsd:integer and xsd:double tables
- added RDFSTORE_INDEXING_VERSION_KEY to model and check of RDFSTORE_INDEXING_VERSION on connect()
- updated insert and remove methods to check rdfstore_flat_store_delete() errors and avoid to index word as stem too
- added rdfstore_if_modified_since() method and updated insert and remove methods to touch last modify date
- added rdfstore_get_version() method to return perl level compiled time $VERSION string
RDFStore::NodeFactory
- fixed bNodes identifers generation
RDFStore::Parser
- updated wget() adding Accept: HTTP header and use LWP::UserAgent if available
RDFStore::Parser::SiRPAC
- updated wget() method invocation
- force rdf:parseType="Literal" if rdf:dataType="http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral"
- fixed bug in processDescription() when expanding rdf:nodeID on predicate with inline typed node
RDFStore::Parser::NTriples
- updated wget() method invocation
RDFStore::Parser::Styles::RDFStore::Statement
- new module to dump dump RDF/XML parsing results / statements
RDQL::Parser
- added SELECT DISTINCT
- added SPARQL PREFIX support and default/built-in prefixes
- added # and // style comments
- added SPARQL QNAME like support
- added ?prefix:var QName support to vars
- added SPARQL CONSTRUCT support
- added SPARQL $var support
- added getQueryType() method
- added SPARQL DESCRIBE support
- fixed bug in Literal() when matching floating point numbers
- updated constraints and removed AND keyword to be SPARQL compatible
- added not standard RDQL/SPARQL DELETE support
- added default SPARQL PREFIX op: <http://www.w3.org/2001/sw/DataAccess/operations> and PREFIX fn: <http://www.w3.org/2004/07/xpath-functions>
- updated and simplified constraints productions to reflect latest SPARQL spec
- constraints are now stacked into a RPN
- added full SPARQL graph-patterns and grouping
- added SPARQL FROM NAMED support
- added SPARQL LIMIT support
- added SPARQL OFFSET support
- added SPARQL ORDER BY support
DBD::RDFStore
- added SELECT DISTINCT support
- updated RDF-for-XML format to return xsi:type information
- start adding empty bound/var support
- added ?prefix:var QName support to vars
- updated RDF/XML format to stream one single graph
- added SPARQL CONSTRUCT support
- added DBD::RDFStore::st::getQueryStatement() method
- renamed asRDF DBI parameter as results - and removed output handle and output_string modes
- updated XML and misc RDF output format interface to use DBD::RDFStore::st specific methods: fetchrow_XML(), fetchall_XML(), fetchsubgraph_serialize(), fetchallgraph_serialize()
- added fetchsubgraph() and fetchallgraph() methods to return matches as RDFStore::Model
- added SPARQL DESCRIBE support
- fixed bug into _prepareTriplepattern() when bNode is substituted
- added simple RDF/S rdfs:subClassOf rdfs:subPropertyOf and owl:sameAs inferencing if aval into input RDF merge and requested
- updated search() method call to use new XS code interface (hash ref)
- added simpler XML serialization (dawg-xml) see http://www.w3.org/2001/sw/DataAccess/rf1/
- replaced rdfqr-results with dawg-results format http://www.w3.org/2001/sw/DataAccess/tests/result-set#
- removed rs:size from dawg-results format see http://lists.w3.org/Archives/Public/public-rdf-dawg/2004OctDec/0196.html
- added not standard RDQL/SPARQL DELETE support
- updated to rw mode for database connection if specified or DELETE requested
- added default SPARQL PREFIX op: <http://www.w3.org/2001/sw/DataAccess/operations> and PREFIX fn: <http://www.w3.org/2004/07/xpath-functions>
- added basic set of SPARQL operations and functions - see http://www.w3.org/2001/sw/DataAccess/rq23/#tests
- constraints are now process using a RPN stack
- added simple SPARQL OPTIONAL keyword support
- fixed bug when processing bNodes
- added SPARQL LIMIT support
- added SPARQL OFFSET support
- added SPARQL ORDER BY support
lib/RDFStore/Model
- updated search() method call to use new XS code interface (hash ref)
- added ifModifiedSince() method
utils/rdfquery.pl
- replaced rdfqr-results with dawg-results format http://www.w3.org/2001/sw/DataAccess/tests/result-set#
- added dawg-xml serialization ( see http://www.w3.org/2001/sw/DataAccess/rf1/ )
- updated to use more general fetchrow_XML() adn fetchsubgraph_serialize() methods and return XML results by default
- added -smart option to due simple inferencing
- removed -query option and reads query either as string or from specified filename
- added 'comment' and 'metadata' options
utils/rdf.pl
- use RDFStore::Parser::Styles::RDFStore::Statement if no storage is required
- added '-version' option to print $RDFStore::VERSION
RDFStore::Serializer::RDFXML
- fixed bug when model context is set
RDFStore::Serializer::RSS
- fixed bug when model context is set