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https://issues.apache.org/jira/browse/RYA-260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15979044#comment-15979044
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ASF GitHub Bot commented on RYA-260:
------------------------------------
Github user kchilton2 commented on a diff in the pull request:
https://github.com/apache/incubator-rya/pull/156#discussion_r112729828
--- Diff:
extras/rya.pcj.fluo/pcj.fluo.api/src/main/java/org/apache/rya/indexing/pcj/fluo/api/CreatePcj.java
---
@@ -82,6 +82,7 @@
*/
@DefaultAnnotation(NonNull.class)
public class CreatePcj {
+ private static final Logger log = Logger.getLogger(CreatePcj.class);
--- End diff --
Which logging framework are we using? I can update my code at the very
least to use that. Is it SLF4J?
> Add Aggregation support for Fluo/PCJ app
> ----------------------------------------
>
> Key: RYA-260
> URL: https://issues.apache.org/jira/browse/RYA-260
> Project: Rya
> Issue Type: New Feature
> Reporter: Andrew Smith
> Assignee: Kevin Chilton
>
> A user must be able to submit a PCJ query that contains the following
> aggregation functions from SPARQL:
> * Sum
> * Count
> * Average
> * Min
> * Max
> This task does not include any aggregations that appear within a GroupBy
> clause. We only need to support queries that have the aggregation within the
> SELECT section.
> For example, the following query should be processed:
> {code}
> SELECT (avg(?price) as ?averagePrice)
> {
> urn:BookA urn:price ?price.
> }
> {code}
> And the following query should not be processed because it requires a group
> by:
> {code}
> SELECT ?title (avg(?price) as ?averagePrice)
> {
> ?title urn:price ?price.
> }
> GROUP BY ?title
> {code}
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