[SPARK-40194] SPLIT function on empty regex should truncate trailing empty string.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: SQL
• Assignee: Vitalii Li
• Reporter: Vitalii Li
• Created: 23/Aug/22 22:14
• Updated: 31/Aug/22 08:52
• Resolved: 31/Aug/22 08:52

Description

E.g. `select split('hello', '')` should convert to `['h', 'e', 'l', 'l', 'o']` instead of `['h', 'e', 'l', 'l', 'o', '']`. Requires explicit `limit` parameter to preserve trailing empty string.

Issue Links

• links to: [Github] Pull Request #37631 (vitaliili-db)