GitHub user suez1224 opened a pull request: https://github.com/apache/flink/pull/5472
[FLINK-7658][Table API & SQL] support Collect aggregate function in Table API ## What is the purpose of the change Add Collect aggregate function for Table API. ## Brief change log - Add Collect aggregate function for Table API ## Verifying this change - Added integration tests ## 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? (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/suez1224/flink FLINK-7658 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/5472.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 #5472 ---- commit da26176105a7ee3634d9db2834bacf17003c3823 Author: Shuyi Chen <shuyi@...> Date: 2018-02-13T09:18:12Z support Collect aggregate function in Table API ---- ---