[FLINK-12077] Introduce HashJoinOperator and LongHashJoinGenerator to blink

• Type: New Feature
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.9.0
• Component/s: Table SQL / Runtime
• Labels: pull-request-available
• Assignee: Jingsong Lee
• Reporter: Jingsong Lee
• Created: 01/Apr/19 09:34
• Updated: 02/Apr/19 08:19
• Resolved: 02/Apr/19 08:19

Description

Introduce HashJoinOperator to support all join type.

Introduce LongHashJoinGenerator to do some performance optimization when key is long using LongHybridHashTable.

HashJoinOperator and LongHashJoinOperator can be used in both shuffle hash join and broadcast hash join.

Issue Links

• is a child of: FLINK-11490 Add an initial Blink SQL batch runtime
• links to: GitHub Pull Request #8093