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https://issues.apache.org/jira/browse/FLINK-2997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15208234#comment-15208234
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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_r57141500
--- Diff:
flink-tests/src/test/java/org/apache/flink/test/javaApiOperators/CustomDistributionITCase.java
---
@@ -94,12 +104,10 @@ public void testRangeWithDistribution2() throws
Exception{
@Override
public void mapPartition(Iterable<Tuple3<Integer,
Integer, String>> values, Collector<Boolean> out) throws Exception {
int partitionIndex =
getRuntimeContext().getIndexOfThisSubtask();
-
for (Tuple3<Integer, Integer, String> s :
values) {
- if (s.f0 <= partitionIndex *
(partitionIndex + 1) / 2 ||
- s.f0 > (partitionIndex
+ 1) * (partitionIndex + 2) / 2 ||
- s.f1 - 1 !=
partitionIndex) {
- fail("Record was not correctly
partitioned: " + s.toString());
+
+ if ((s.f0 > partitionIndex + 1) ||
((s.f0 == partitionIndex + 1) && (s.f1 > dist.rightBoundary[partitionIndex]))) {
--- End diff --
The test checks only one bucket boundary. We need to check
- the upper boundary if `partitionIndex == 0`
- lower and upper boundaries if `0 < `partitionIndex` < 4`
- the lower boundary if `partitionIndex == 4.
> 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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