Iaroslav Zeigerman created FLINK-21507:
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Summary: Given a sequence of multiple custom stream partitioning
operations only last transformation in sequence is applied while others are
dropped
Key: FLINK-21507
URL: https://issues.apache.org/jira/browse/FLINK-21507
Project: Flink
Issue Type: Bug
Components: API / DataStream, API / Scala
Affects Versions: 1.11.0
Reporter: Iaroslav Zeigerman
When I use multiple custom partitioning operations in a row like this:
{code:java}
stream
.partitionCustom(<custom_partitioner1>, _.key)
.process(...)
.partitionCustom(<custom_partitioner2>, _.key)
.process(...)
....{code}
I see that only last partitioning operation (custom_partitioner2) is reflected
in the DAG while the 1st one is ignored entirely.
I've also confirmed that the 1st partitioning wasn't applied at runtime from
application logs.
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