[SPARK-35354] Minor cleanup to replace BaseJoinExec with ShuffledJoin in CoalesceBucketsInJoin

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 3.2.0
• Fix Version/s: 3.2.0
• Component/s: SQL
• Assignee: Cheng Su
• Reporter: Cheng Su
• Created: 09/May/21 00:00
• Updated: 10/May/21 01:05
• Resolved: 10/May/21 01:05

Description

As title. We should use a more restrictive interface `ShuffledJoin` other than `BaseJoinExec` in `CoalesceBucketsInJoin`, as the rule only applies to sort merge join and shuffled hash join.

Issue Links

• links to: [Github] Pull Request #32480 (c21)
• links to: [Github] Pull Request #32480 (c21)