[FLINK-29111] deprecate 'lookup.async' in hbase connector to expose both async and sync lookup capabilities to planner

• Type: Improvement
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: Connectors / HBase
• Labels: auto-deprioritized-major pull-request-available
• Assignee: Unassigned
• Reporter: lincoln lee
• Created: 26/Aug/22 07:16
• Updated: 21/Aug/23 10:35

Description

FLIP-234 introduced a LOOKUP hint which support suggest planner to use sync or async lookup function by hint option 'async' = 'false' or 'true', also the planner prefers an async lookup when a connector has both sync and async lookup capabilities.

As discussed in the mailing list before (https://lists.apache.org/thread/9k1sl2519kh2n3yttwqc00p07xdfns3h), this 'lookup.async' option should be deprecated and refactor the hbase table source to expose both async and sync lookup capabilities to planner, so that users can switch to use the new query hint

Issue Links

• is related to: FLINK-28968 Release Testing: Verify FLIP-234 LOOKUP Hint
• links to: GitHub Pull Request #20767