[FLINK-28779] Support Retryable Lookup Join To Solve Delayed Updates Issue In External Systems

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.16.0
• Component/s: Table SQL / Planner, Table SQL / Runtime
• Release Note: Adds retryable lookup join to support both async and sync lookups in order to solve the delayed updates issue in external systems.
• Assignee: Unassigned
• Reporter: lincoln lee
• Created: 02/Aug/22 12:29
• Updated: 13/Sep/22 13:40
• Resolved: 02/Sep/22 08:07

Description

FLIP-234: Support Retryable Lookup Join To Solve Delayed Updates Issue In External Systems

https://cwiki.apache.org/confluence/display/FLINK/FLIP-234%3A+Support+Retryable+Lookup+Join+To+Solve+Delayed+Updates+Issue+In+External+Systems

Sub-Tasks

• Introduces LOOKUP join hint to support delayed retry for lookup join (table alias unsupported in hint): Closed
• Add it cases with lookup hint using new lookup function api for lookup join: Closed
• Fix LOOKUP hint with retry option on async lookup mode: Closed
• Adds user documentation for the new LOOKUP hint: Closed