VERSION
This document describes Attean::API::AggregateExpression version 0.017SYNOPSIS
use v5.14;
use Attean;
DESCRIPTION
This is a Moo role representing aggregate expressions.ROLES
This role consumes Attean::API::DirectedAcyclicGraph.REQUIRED METHODS
Classes consuming this role must provide the following methods:- "operator()"
- The name of the aggregate operator.
- "scalar_vars()"
- 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.
BUGS
Please report any bugs or feature requests to through the GitHub web interface at <https://github.com/kasei/attean/issues>.AUTHOR
Gregory Todd Williams "<[email protected]>"COPYRIGHT
Copyright (c) 2014--2016 Gregory Todd Williams. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.