[FLINK-23748] Testing window TVF session window

• Type: Improvement
• Status: Closed
• Priority: Blocker
• Resolution: Won't Do
• Fix Version/s: 1.14.0
• Component/s: Tests
• Labels: pull-request-available release-testing
• Assignee: liwei li
• Reporter: Jing Zhang
• Created: 13/Aug/21 03:12
• Updated: 08/Oct/21 11:35
• Resolved: 06/Sep/21 03:31

Description

Window TVF would support SESSION window in the following case:

1. SESSION Window TVF followed by Window Aggregate. 

 

Note, SESSION window TVF only works in limited cases currently, the following user cases is not supported yet:

1. SESSION WINDOW TVF followed by Window JOIN
2. SESSION WINDOW TVF followed by Window RANK**

BESIDES, SESSION window Aggregate does not support the following performance improvement yet:

     1. Split Distinct Aggregation

     2. Local-global Aggregation

     3. Mini-batch Aggregate

Issue Links

• is related to: FLINK-24024 Support session Window TVF
• links to: GitHub Pull Request #17056
• links to: GitHub Pull Request #17145