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https://issues.apache.org/jira/browse/FLINK-7798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204015#comment-16204015
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ASF GitHub Bot commented on FLINK-7798:
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GitHub user xccui opened a pull request:
https://github.com/apache/flink/pull/4825
[FLINK-7798] [table] Add support for stream windowed inner joins to Table
API
## What is the purpose of the change
The PR enables the time-windowed inner join for
`StreamExecutionEnvironment` in Table API.
## Brief change log
- Remove the inner join check for `StreamTableEnvironment` in
`operators.scala`.
- Add some tests for stream table inner join translation.
- Update related docs.
## Verifying this change
This change adds tests to `JoinITCase.scala`, which can be run directly.
## 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? (yes)
- 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-7798
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4825.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 #4825
----
commit 7a424ac402e5690e510f1a4286c40936230fb012
Author: Xingcan Cui <[email protected]>
Date: 2017-10-13T18:25:47Z
[FLINK-7798] [table] Add support for stream time-windowed inner join to
Table API
----
> Add support for windowed joins to Table API
> -------------------------------------------
>
> Key: FLINK-7798
> URL: https://issues.apache.org/jira/browse/FLINK-7798
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Affects Versions: 1.4.0
> Reporter: Fabian Hueske
> Assignee: Xingcan Cui
> Priority: Blocker
> Fix For: 1.4.0
>
>
> Currently, windowed joins on streaming tables are only supported through SQL.
> The Table API should support these joins as well. For that, we have to adjust
> the Table API validation and translate the API into the respective logical
> plan. Since most of the code should already be there for the batch Table API
> joins, this should be fairly straightforward.
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