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https://issues.apache.org/jira/browse/FLINK-7439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16125307#comment-16125307
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ASF GitHub Bot commented on FLINK-7439:
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GitHub user wuchong opened a pull request:
https://github.com/apache/flink/pull/4536
[FLINK-7439] [table] Support variable arguments for UDTF in SQL
## What is the purpose of the change
Support variable arguments for UDTF in SQL
## Brief change log
- `TableSqlFunction`'s operand type inference and checker
- modify `ScalarFunctionCallGen` and `TableFunctionCallGen` which handles
var args incorrectly.
## Verifying this change
This change added tests and can be verified as follows:
- *Added `CorrelateTest.scala` for batch and stream queries to verify
logical plan*
The integration test can be covered by existing `CorrelateITCase`.
## 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? na
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wuchong/flink udtf
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4536.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 #4536
----
commit b18ce206ad69e0abf72f5388538bb65e4911c65a
Author: Jark Wu <j...@apache.org>
Date: 2017-08-14T06:18:52Z
[FLINK-7439] [table] Support variable arguments for UDTF in SQL
----
> Support variable arguments for UDTF in SQL
> ------------------------------------------
>
> Key: FLINK-7439
> URL: https://issues.apache.org/jira/browse/FLINK-7439
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Reporter: Jark Wu
> Assignee: Jark Wu
>
> Currently, both UDF and UDAF support variable parameters, but UDTF not.
> FLINK-5882 supports variable UDTF for Table API only, but missed SQL.
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