Beyond the methods documented below, this class inherits methods from the RDF::Query::Algebra class.
"new ( $query )"
Returns a new SubSelect structure.
"construct_args"
Returns a list of arguments that, passed to this class' constructor, will produce a clone of this
algebra pattern.
"query"
Returns the sub-select query.
"sse"
Returns the SSE string for this algebra expression.
"as_sparql"
Returns the SPARQL string for this algebra expression.
"as_hash"
Returns the query as a nested set of plain data structures (no objects).
"type"
Returns the type of this algebra expression.
"referenced_variables"
Returns a list of the variable names used in this algebra expression.
"potentially_bound"
Returns a list of the variable names used in this algebra expression that will bind values during
execution.
"definite_variables"
Returns a list of the variable names that will be bound after evaluating this algebra expression.