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ASF GitHub Bot commented on FLINK-3140: --------------------------------------- Github user fhueske commented on a diff in the pull request: https://github.com/apache/flink/pull/1465#discussion_r48288039 --- Diff: flink-core/src/main/java/org/apache/flink/api/common/typeutils/base/BasicTypeComparator.java --- @@ -42,6 +42,10 @@ protected BasicTypeComparator(boolean ascending) { this.ascendingComparison = ascending; } + public boolean isAscendingComparison() { --- End diff -- There is no need to touch this class, if you overwrite the `createComparator` method in the `RowTypeInfo` (details below). > NULL value data layout in Row Serializer/Comparator > --------------------------------------------------- > > Key: FLINK-3140 > URL: https://issues.apache.org/jira/browse/FLINK-3140 > Project: Flink > Issue Type: Sub-task > Components: Table API > Reporter: Chengxiang Li > Assignee: Timo Walther > > To store/materialize NULL value in Row objects, we should need new Row > Serializer/Comparator which is aware of NULL value fields. -- This message was sent by Atlassian JIRA (v6.3.4#6332)