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NAME

RDF::Query::Algebra::Sequence - Algebra class for a sequence of algebra operations

VERSION

This document describes RDF::Query::Algebra::Sequence version 2.905_01.

METHODS

Beyond the methods documented below, this class inherits methods from the RDF::Query::Algebra class.

new ( @patterns )

Returns a new Sequence structure.

construct_args

Returns a list of arguments that, passed to this class' constructor, will produce a clone of this algebra pattern.

patterns

Returns a list of patterns belonging to this sequence.

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.

clone
bind_variables ( \%bound )

Returns a new algebra pattern with variables named in %bound replaced by their corresponding bound values.

AUTHOR

 Gregory Todd Williams <gwilliams@cpan.org>