[SPARK-32948] Optimize Json expression chain

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: SQL
• Assignee: L. C. Hsieh
• Reporter: L. C. Hsieh
• Created: 21/Sep/20 05:52
• Updated: 29/Sep/20 05:23
• Resolved: 29/Sep/20 05:23

Description

Like GetStructField and CreateNamedStruct, the expression chain of json expressions, e.g., StructsToJson and JsonToStructs, could be optimized.

Issue Links

• links to: [Github] Pull Request #29828 (viirya)
• links to: [Github] Pull Request #29828 (viirya)