Fabian Hueske created FLINK-6257:
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Summary: Post-pass OVER windows
Key: FLINK-6257
URL: https://issues.apache.org/jira/browse/FLINK-6257
Project: Flink
Issue Type: Improvement
Components: Table API & SQL
Affects Versions: 1.3.0
Reporter: Fabian Hueske
Priority: Critical
The OVER windows have been implemented by several contributors.
We should do a post pass over the contributed code and:
* Functionality
** currently every time attributes is allows as ORDER BY attribute. We must
check that this is actually a time indicator ({{procTime()}}, {{rowTime()}}) an
that the order is ASCENDING.
* Documentation
** Add documentation for OVER windows
* Code style
** Consistent naming of {{ProcessFunctions}} and methods
* Tests
** Move the OVER window tests out of SqlITCase into a dedicated class
** Move the OVER window tests out of WindowAggregateTest into a dedicated class
** Add tests based on the test harness for all {{ProcessFunctions}} similar to
{{BoundedProcessingOverRangeProcessFunction}}. The tests should include exact
boundary checks for range windows and check for proper parallelization with
multiple keys.
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