1RDF::Query::Plan::ProjeUcste(r3)Contributed Perl DocumenRtDaFt:i:oQnuery::Plan::Project(3)
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6 RDF::Query::Plan::Project - Executable query plan for Projects.
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9 This document describes RDF::Query::Plan::Project 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 ( $plan, \@keys )"
16 "execute ( $execution_context )"
17 "next"
18 "close"
19 "pattern"
20 Returns the query plan that will be used to produce the data to be
21 projected.
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23 "distinct"
24 Returns true if the pattern is guaranteed to return distinct
25 results.
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27 "ordered"
28 Returns true if the pattern is guaranteed to return ordered
29 results.
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31 "plan_node_name"
32 Returns the string name of this plan node, suitable for use in
33 serialization.
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35 "plan_prototype"
36 Returns a list of scalar identifiers for the type of the content
37 (children) nodes of this plan node. See RDF::Query::Plan for a list
38 of the allowable identifiers.
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40 "plan_node_data"
41 Returns the data for this plan node that corresponds to the values
42 described by the signature returned by "plan_prototype".
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44 "graph ( $g )"
45 "explain"
46 Returns a string serialization of the plan appropriate for display
47 on the command line.
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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::Project(3)