GitHub user xccui opened a pull request:
https://github.com/apache/flink/pull/4830
[FLINK-7730] [table] Restrict the predicates of table function left outer
join
## What is the purpose of the change
The PR aims to temporarily cover up the table function left outer join
problem by adding restrictions on the join predicates.
## Brief change log
- Predicates check for table function left outer join (correlate) are
added to `DataSetCalcRule` and `DataStreamCalcRule`.
- Update related tests.
- Refine the documents.
## Verifying this change
This change is already covered by existing tests, such as `CorrelateITCase`
and `CorrelateTest`.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (no)
- The serializers: (no)
- The runtime per-record code paths (performance sensitive): (no)
- Anything that affects deployment or recovery: JobManager (and its
components), Checkpointing, Yarn/Mesos, ZooKeeper: (no)
## Documentation
- Does this pull request introduce a new feature? (no)
- If yes, how is the feature documented? (docs)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xccui/flink FLINK-7730
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4830.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4830
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commit 58d2635877f76937cc23d97fe1aa1da8ff51ebd7
Author: Xingcan Cui <xingc...@gmail.com>
Date: 2017-10-16T08:49:14Z
[FLINK-7730] [table] Add restrictions on table function left outer join
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