[SPARK-40970] Support List[Column] for Join's on argument.

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: Connect
• Assignee: Rui Wang
• Reporter: Rui Wang
• Created: 31/Oct/22 03:42
• Updated: 02/Dec/22 08:13
• Resolved: 02/Dec/22 08:13

Description

Right now Join's on does not support a list of ColumnRef: [df.age == df2.age, df.name == df2.name], we can improve the expression system to figure out a way to support it.

Issue Links

• links to: [Github] Pull Request #38866 (amaliujia)