.\" -*- mode: troff; coding: utf-8 -*- .\" Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>. .ie n \{\ . ds C` "" . ds C' "" 'br\} .el\{\ . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "RDF::Query::Parser::RDQL 3pm" .TH RDF::Query::Parser::RDQL 3pm 2024-04-12 "perl v5.38.2" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH NAME RDF::Query::Parser::RDQL \- An RDQL parser for RDF::Query .SH VERSION .IX Header "VERSION" This document describes RDF::Query::Parser::RDQL version 2.918. .SH METHODS .IX Header "METHODS" .ie n .IP """new ( $query_object ) """ 4 .el .IP "\f(CWnew ( $query_object ) \fR" 4 .IX Item "new ( $query_object ) " Returns a new RDF::Query object. .ie n .IP """parse ( $query ) """ 4 .el .IP "\f(CWparse ( $query ) \fR" 4 .IX Item "parse ( $query ) " Parses the supplied RDQL query string, returning a parse tree. .SH "REVISION HISTORY" .IX Header "REVISION HISTORY" .Vb 3 \& $Log$ \& 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 \*(Aq$\*(Aq sigil \& \- broke out URL fixups into its own method \& \- added direction support for ORDER BY (ascending/descending) \& \- added \*(Aqnext\*(Aq, \*(Aqcurrent\*(Aq, and \*(Aqend\*(Aq 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 \*(AqFILTER\*(Aq keyword \& \- SPARQL constraints can now use \*(Aq&&\*(Aq 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\*(Aqs 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\*(Aqs query API (pass in the model when query is executed) .Ve .SH AUTHOR .IX Header "AUTHOR" .Vb 1 \& Gregory Williams .Ve