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https://issues.apache.org/jira/browse/FLINK-18939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17327692#comment-17327692
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Flink Jira Bot commented on FLINK-18939:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> Sort-partition result is incorrect when use Bigdecimal as Key
> -------------------------------------------------------------
>
> Key: FLINK-18939
> URL: https://issues.apache.org/jira/browse/FLINK-18939
> Project: Flink
> Issue Type: Bug
> Components: API / DataSet
> Affects Versions: 1.9.1
> Reporter: Shengnan YU
> Priority: Major
> Labels: stale-major
>
> result of Dataset sort-partition method gives incorrect result when use
> BigDecimal as key.
> Here is the test code. The print result does not give the right order.
> {code:java}
> ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
> DataSet<String> ss = env.fromElements("1234567.89", "3456789.12",
> "2345678.91");
> DataSet<String> result = ss.sortPartition(new
> KeySelector<String,BigDecimal>() {
> @Override
> public BigDecimal getKey(String value) throws Exception {
> return new BigDecimal(value);
> }
> }, Order.ASCENDING).setParallelism(1);
> result.print();
> {code}
> It seems that class BigDecComprator some problem and the normalized key
> cannot be compared correctly.
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