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https://issues.apache.org/jira/browse/CRUNCH-503?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Wills resolved CRUNCH-503.
-------------------------------
Resolution: Fixed
Fix Version/s: 0.12.0
Pushed to master.
> Behavior of MAX_N Aggregator for duplicate values is counter-intuitive
> ----------------------------------------------------------------------
>
> Key: CRUNCH-503
> URL: https://issues.apache.org/jira/browse/CRUNCH-503
> Project: Crunch
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.11.0
> Reporter: Tycho Lamerigts
> Assignee: Josh Wills
> Fix For: 0.12.0
>
> Attachments: CRUNCH-503.patch, CRUNCH-503b.patch
>
>
> I would expect code below to return \{1, 2, 3\}. Instead, it returns \{2, 3\}.
> {code}
> public class MaxNAggregatorTest {
> @Test
> public void duplicateMaxNValueShouldBeIgnored() {
> Aggregator<Integer> myAggregator = Aggregators.MAX_N(3,
> Integer.class);
> myAggregator.reset();
> myAggregator.update(1);
> myAggregator.update(2);
> myAggregator.update(3);
> myAggregator.update(3);
> assertEquals(3, Iterables.size(myAggregator.results()));
> }
> }
> {code}
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