1Attean::API::AggregateEUxsperresCsoinotnr(i3b)uted PerlADtotceuamne:n:tAaPtIi:o:nAggregateExpression(3)
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6 Attean::API::AggregateExpression - Role representing an aggregate
7 expression tree
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10 This document describes Attean::API::AggregateExpression version 0.025
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13 use v5.14;
14 use Attean;
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17 This is a Moo role representing aggregate expressions.
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20 This role consumes Attean::API::DirectedAcyclicGraph.
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23 Classes consuming this role must provide the following methods:
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25 "operator()"
26 The name of the aggregate operator.
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28 "scalar_vars()"
29 A HASH reference of scalar variables. The only scalar variable
30 defined for SPARQL 1.1 is 'seperator', a string separator used with
31 the GROUP_CONCAT aggregate.
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34 Please report any bugs or feature requests to through the GitHub web
35 interface at <https://github.com/kasei/attean/issues>.
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39 Gregory Todd Williams "<gwilliams@cpan.org>"
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42 Copyright (c) 2014--2019 Gregory Todd Williams. This program is free
43 software; you can redistribute it and/or modify it under the same terms
44 as Perl itself.
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48perl v5.30.1 2020-01-29Attean::API::AggregateExpression(3)