Need to pass variable in a command and assign value to a variable Post: 302999725

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rdf::redland::query

RDF::Redland::Query(3pm)				User Contributed Perl Documentation				  RDF::Redland::Query(3pm)

NAME

       RDF::Redland::Query - Redland RDF Syntax Query Class

SYNOPSIS

	 use RDF::Redland;

	 ...
	 my $query=new RDF::Redland::Query($query_string); # default query language
	 my $results=$query->execute($model);
	 # or my $results=$model->query_execute($query);
	 while(!$results->finished) {
	   for (my $i=0; $i < $results->bindings_count(); $i++) {
	     my $name=$results->binding_name($i);
	     my $value=$results->binding_value($i);
	     # ... do something with the results
	   }
	   $results->next_result;
	 }

DESCRIPTION

       This class represents queries of various syntaxes over an RDF::Redland::Model returning a sequence of results that (currently) bind
       variable names to RDF::Redland::Node values.

CONSTRUCTORS

       new QUERY-STRING [BASE-URI [QUERY-LANG-URI [QUERY-LANG]]]
	   Create a new RDF::Redland::Query object for a query string QUERY-STRING with optional base URI BASE-URI IN QUERY language QUERY-LANG or
	   query language URI QUERY-LANG-URI (both can be undef).  If QUERY-LANG-URI is omitted, the current directory is used as the base URI.
	   If QUERY-LANG-NAME is undef, the default query language "rdql" is used.  If BASE-URI is omitted, no base URI is used.

METHODS

       execute MODEL
	   Run the query against model MODEL returning a RDF::Redland::QueryResults object or undef on failure.

SEE ALSO

       RDF::Redland::QueryResults

AUTHOR

       Dave Beckett - http://www.dajobe.org/

perl v5.14.2							    2011-02-04						  RDF::Redland::Query(3pm)

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