[SPARK-32942] Optimize catalyst expression chain

• Type: Umbrella
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.1.0
• Component/s: SQL
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 20/Sep/20 01:06
• Updated: 20/Sep/20 01:06

Description

When using catalyst expressions, it is possibly to have inefficient expression chain. We should optimize them.

Sub-Tasks

• Optimize csv expression chain: Open