Attean::API::AggregateExpression - Role representing an aggregate expression tree
This document describes Attean::API::AggregateExpression version 0.021
use v5.14; use Attean;
This is a Moo role representing aggregate expressions.
This role consumes Attean::API::DirectedAcyclicGraph.
Classes consuming this role must provide the following methods:
The name of the aggregate operator.
A HASH reference of scalar variables. The only scalar variable defined for SPARQL 1.1 is
'seperator', a string separator used with the GROUP_CONCAT aggregate.
Please report any bugs or feature requests to through the GitHub web interface at https://github.com/kasei/attean/issues.
Gregory Todd Williams
Copyright (c) 2014--2018 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.