[ https://issues.apache.org/jira/browse/FLINK-1599?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Max Michels updated FLINK-1599: ------------------------------- Summary: TypeComperator with no keys and comparators matches some elements (was: TypeComperator) > TypeComperator with no keys and comparators matches some elements > ----------------------------------------------------------------- > > Key: FLINK-1599 > URL: https://issues.apache.org/jira/browse/FLINK-1599 > Project: Flink > Issue Type: Bug > Components: Distributed Runtime > Affects Versions: 0.8.0 > Reporter: Max Michels > Priority: Minor > > If you create a custom type comparator by subclassing {{TypeComperator}} and > implement {{int extractKeys(Object record, Object[] target, int index)}} and > {{TypeComparator[] getFlatComparators()}} to return 0 and no type comparators > respectively, the {{coGroup}} operator (possibly others) find matching > elements although no comparators have been specified. > In this case, the expected behavior for a CoGroup would be that only elements > from one side are supplied in the CoGroup method. -- This message was sent by Atlassian JIRA (v6.3.4#6332)