GitHub user lincoln-lil opened a pull request: https://github.com/apache/flink/pull/5046
[FLINK-6101] [table] Support select GroupBy fields with arithmetic ex⦠## What is the purpose of the change Support select GroupBy fields with arithmetic expressions(include UDF) ## Brief change log - Using an internal alias for groupBy fields with arithmetic expressions(include UDF) in groupBy(). ## Verifying this change `AggregateITCase` verifies - select GroupBy fields with arithmetic expression/UDF ## 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) - The S3 file system connector: (no) ## Documentation - Does this pull request introduce a new feature? (no) - If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented) You can merge this pull request into a Git repository by running: $ git pull https://github.com/lincoln-lil/flink FLINK-6101 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/5046.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 #5046 ---- commit d529b9e6e9ed0977fbd2f27f27e1af0521b9231d Author: lincoln-lil <lincoln.8...@gmail.com> Date: 2017-11-22T01:53:54Z [FLINK-6101] [table] Support select GroupBy fields with arithmetic expressions(include UDF) ---- ---