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RDF-Query-2.919
River stage two • 23 direct dependents • 30 total dependents
/ RDF::Query::Parser::RDQL

NAME

RDF::Query::Parser::RDQL - An RDQL parser for RDF::Query

VERSION

This document describes RDF::Query::Parser::RDQL version 2.919.

METHODS

new ( $query_object )

Returns a new RDF::Query object.

parse ( $query )

Parses the supplied RDQL query string, returning a parse tree.

REVISION HISTORY

$Log$
Revision 1.5  2006/01/11 06:03:45  greg
- Removed use of Data::Dumper::Simple.

Revision 1.4  2005/05/08 08:26:09  greg
- Added initial support for SPARQL ASK, DESCRIBE and CONSTRUCT queries.
  - Added new test files for new query types.
- Added methods to bridge classes for creating statements and blank nodes.
- Added as_string method to bridge classes for getting string versions of nodes.
- Broke out triple fixup code into fixup_triple_bridge_variables().
- Updated FILTER test to use new Geo::Distance API.

Revision 1.3  2005/04/26 02:54:40  greg
- added core support for custom function constraints support
- added initial SPARQL support for custom function constraints
- SPARQL variables may now begin with the '$' sigil
- broke out URL fixups into its own method
- added direction support for ORDER BY (ascending/descending)
- added 'next', 'current', and 'end' to Stream API

Revision 1.2  2005/04/25 00:59:29  greg
- streams are now objects usinig the Redland QueryResult API
- RDF namespace is now always available in queries
- row() now uses a stream when calling execute()
- check_constraints() now copies args for recursive calls (instead of pass-by-ref)
- added ORDER BY support to RDQL parser
- SPARQL constraints now properly use the 'FILTER' keyword
- SPARQL constraints can now use '&&' as an operator
- SPARQL namespace declaration is now optional

Revision 1.1  2005/04/21 02:21:44  greg
- major changes (resurecting the project)
- broke out the query parser into it's own RDQL class
- added initial support for a SPARQL parser
  - added support for blank nodes
  - added lots of syntactic sugar (with blank nodes, multiple predicates and objects)
- moved model-specific code into RDF::Query::Model::*
- cleaned up the model-bridge code
- moving over to redland's query API (pass in the model when query is executed)

AUTHOR

Gregory Williams <gwilliams@cpan.org>