GitHub user suez1224 opened a pull request: https://github.com/apache/flink/pull/4989
[Flink 7003] [Table API & SQL] use PEEK_FIELDS_NO_EXPAND for CompositeRelDataType ## What is the purpose of the change This pull request change CompositeRelDataType to use the newly added StructKind PEEK_FIELDS_NO_EXPAND to disable the flattening behavior when select star. ## Brief change log - Change CompositeRelDataType to use StructKind.PEEK_FIELDS_NO_EXPAND. - added unittests for both stream/batch table/SQL APIs. ## Verifying this change This change added unittests for both stream/batch table/SQL APIs to verify the behavior. ## 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 No You can merge this pull request into a Git repository by running: $ git pull https://github.com/suez1224/flink flink-7003 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/4989.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 #4989 ---- commit e676cfeb2ecc4ed07960813bf91c7bf2442fe1c2 Author: Shuyi Chen <sh...@uber.com> Date: 2017-11-09T08:05:20Z use PEEK_FIELDS_NO_EXPAND for CompositeRelDataType ---- ---