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.IX Title "RDF::Query::Algebra::NamedGraph 3pm"
.TH RDF::Query::Algebra::NamedGraph 3pm "2017-01-04" "perl v5.24.1" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.SH "NAME"
RDF::Query::Algebra::NamedGraph \- Algebra class for NamedGraph patterns
.SH "VERSION"
.IX Header "VERSION"
This document describes RDF::Query::Algebra::NamedGraph version 2.918.
.SH "METHODS"
.IX Header "METHODS"
Beyond the methods documented below, this class inherits methods from the
RDF::Query::Algebra class.
.ie n .IP """new ( $graph, $pattern )""" 4
.el .IP "\f(CWnew ( $graph, $pattern )\fR" 4
.IX Item "new ( $graph, $pattern )"
Returns a new NamedGraph structure.
.ie n .IP """construct_args""" 4
.el .IP "\f(CWconstruct_args\fR" 4
.IX Item "construct_args"
Returns a list of arguments that, passed to this class' constructor,
will produce a clone of this algebra pattern.
.ie n .IP """graph""" 4
.el .IP "\f(CWgraph\fR" 4
.IX Item "graph"
Returns the graph node of the named graph expression.
.ie n .IP """pattern""" 4
.el .IP "\f(CWpattern\fR" 4
.IX Item "pattern"
Returns the graph pattern of the named graph expression.
.ie n .IP """quads""" 4
.el .IP "\f(CWquads\fR" 4
.IX Item "quads"
Returns a list of the quads belonging to this NamedGraph.
.ie n .IP """sse""" 4
.el .IP "\f(CWsse\fR" 4
.IX Item "sse"
Returns the \s-1SSE\s0 string for this algebra expression.
.ie n .IP """explain""" 4
.el .IP "\f(CWexplain\fR" 4
.IX Item "explain"
Returns a string serialization of the algebra appropriate for display on the
command line.
.ie n .IP """as_sparql""" 4
.el .IP "\f(CWas_sparql\fR" 4
.IX Item "as_sparql"
Returns the \s-1SPARQL\s0 string for this algebra expression.
.ie n .IP """as_hash""" 4
.el .IP "\f(CWas_hash\fR" 4
.IX Item "as_hash"
Returns the query as a nested set of plain data structures (no objects).
.ie n .IP """as_spin ( $model )""" 4
.el .IP "\f(CWas_spin ( $model )\fR" 4
.IX Item "as_spin ( $model )"
Adds statements to the given model to represent this algebra object in the
\&\s-1SPARQL\s0 Inferencing Notation ().
.ie n .IP """type""" 4
.el .IP "\f(CWtype\fR" 4
.IX Item "type"
Returns the type of this algebra expression.
.ie n .IP """referenced_variables""" 4
.el .IP "\f(CWreferenced_variables\fR" 4
.IX Item "referenced_variables"
Returns a list of the variable names used in this algebra expression.
.ie n .IP """potentially_bound""" 4
.el .IP "\f(CWpotentially_bound\fR" 4
.IX Item "potentially_bound"
Returns a list of the variable names used in this algebra expression that will
bind values during execution.
.ie n .IP """definite_variables""" 4
.el .IP "\f(CWdefinite_variables\fR" 4
.IX Item "definite_variables"
Returns a list of the variable names that will be bound after evaluating this algebra expression.
.ie n .IP """qualify_uris ( \e%namespaces, $base_uri )""" 4
.el .IP "\f(CWqualify_uris ( \e%namespaces, $base_uri )\fR" 4
.IX Item "qualify_uris ( %namespaces, $base_uri )"
Returns a new algebra pattern where all referenced Resource nodes representing
QNames (ns:local) are qualified using the supplied \f(CW%namespaces\fR.
.ie n .IP """check_duplicate_blanks""" 4
.el .IP "\f(CWcheck_duplicate_blanks\fR" 4
.IX Item "check_duplicate_blanks"
Returns true if blank nodes respect the \s-1SPARQL\s0 rule of no blank-label re-use
across BGPs, otherwise throws a RDF::Query::Error::QueryPatternError exception.
.SH "AUTHOR"
.IX Header "AUTHOR"
.Vb 1
\& Gregory Todd Williams
.Ve