1RDF::Query::Plan::ConstUasnetr(3C)ontributed Perl DocumeRnDtFa:t:iQounery::Plan::Constant(3)
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6 RDF::Query::Plan::Constant - Executable query plan for Constants.
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9 This document describes RDF::Query::Plan::Constant version 2.918.
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12 Beyond the methods documented below, this class inherits methods from
13 the RDF::Query::Plan class.
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15 "new ( @variable_bindings )"
16 "execute ( $execution_context )"
17 "bindings"
18 Returns a list of the variable bindings for this constant result
19 set.
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21 "is_unit"
22 Returns true if this constant result set is comprised of a single,
23 empty variable binding.
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25 "next"
26 "close"
27 "size"
28 "distinct"
29 Returns true if the pattern is guaranteed to return distinct
30 results.
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32 "ordered"
33 Returns true if the pattern is guaranteed to return ordered
34 results.
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36 "plan_node_name"
37 Returns the string name of this plan node, suitable for use in
38 serialization.
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40 "plan_prototype"
41 Returns a list of scalar identifiers for the type of the content
42 (children) nodes of this plan node. See RDF::Query::Plan for a list
43 of the allowable identifiers.
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45 "plan_node_data"
46 Returns the data for this plan node that corresponds to the values
47 described by the signature returned by "plan_prototype".
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50 Gregory Todd Williams <gwilliams@cpan.org>
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54perl v5.28.0 2017-01-04 RDF::Query::Plan::Constant(3)