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https://issues.apache.org/jira/browse/FLINK-2997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15197311#comment-15197311
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ASF GitHub Bot commented on FLINK-2997:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/1776#discussion_r56332311
--- Diff:
flink-optimizer/src/main/java/org/apache/flink/optimizer/traversals/RangePartitionRewriter.java
---
@@ -221,7 +223,7 @@ public void postVisit(PlanNode node) {
prRemoverNode.setParallelism(targetParallelism);
prPlanNode.setParallelism(targetParallelism);
GlobalProperties globalProperties = new GlobalProperties();
- globalProperties.setRangePartitioned(new Ordering(0, null,
Order.ASCENDING));
+ globalProperties.setRangePartitioned(new Ordering(0, null,
Order.ASCENDING), channel.getDataDistribution());
--- End diff --
can you pass `null` instead of `channel.getDataDistribution()` to make it
clear that no provided data distribution is available?
> Support range partition with user customized data distribution.
> ---------------------------------------------------------------
>
> Key: FLINK-2997
> URL: https://issues.apache.org/jira/browse/FLINK-2997
> Project: Flink
> Issue Type: New Feature
> Reporter: Chengxiang Li
>
> This is a followup work of FLINK-7, sometime user have better knowledge of
> the source data, and they can build customized data distribution to do range
> partition more efficiently.
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