[FLINK-26457] Introduce Join Accumulator for Wide table

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: table-store-0.1.0
• Component/s: Table Store
• Labels: pull-request-available
• Assignee: Jingsong Lee
• Reporter: Jingsong Lee
• Created: 03/Mar/22 05:51
• Updated: 27/Apr/22 04:22
• Resolved: 22/Apr/22 01:55

Description

Consider a Join Accumulator, It will merge two records, completing the not-null fields.

It is very useful for wide tables, where two source tables join together to form a wide table.

Issue Links

• links to: GitHub Pull Request #98