[SPARK-41595] Support generator function explode/explode_outer in the FROM clause

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: SQL
• Assignee: Allison Wang
• Reporter: Allison Wang
• Created: 20/Dec/22 01:24
• Updated: 10/Jan/23 06:09
• Resolved: 10/Jan/23 06:09

Description

Currently, the table-valued generator function explode/explode_outer can only be used in the SELECT clause of a query:

SELECT explode(array(1, 2))

This task is to allow table-valued functions to be used in the FROM clause of a query:

SELECT * FROM explode(array(1, 2))

Issue Links

• links to: [Github] Pull Request #39133 (allisonwang-db)