[GitHub] [flink] hequn8128 opened a new pull request #8230: [FLINK-10977][table] Add streaming non-window FlatAggregate to Table API

[GitBox <gi...@apache.org>]

hequn8128 opened a new pull request #8230: [FLINK-10977][table] Add streaming non-window FlatAggregate to Table API
URL: https://github.com/apache/flink/pull/8230
 
 
   ## What is the purpose of the change
   
   This pull request supports (streaming, nonwindow)flatAggregate on Table API.
   
   ## Brief change log
   
   - Add user defined table agg function interface
   - Add flatAggregate api on table
   - Resolve expression and build LogicalTableAggregate
   - Add Plan support for table aggregate
   - Add code gen support for table aggregate
   - Add runtime support for table aggregate
   - Add registration for table aggregate
   
   
   ## Verifying this change
   
   
   This change added tests and can be verified as follows:
   
    - Added plan test(TableAggregateTest) to verify plan
    - Add IT case(TableAggregateITCase) to verify code gen and runtime logic
    - Add Harness test(TableAggregateHarnessTest) to test runtime logic
    - Add TableAggregateStringExpressionTest to test java.
   
   ## 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)`: (yes / 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)
   

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services