[SPARK-19637] add to_json APIs to SQL

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.2.0
• Component/s: SQL
• Assignee: Takeshi Yamamuro
• Reporter: Burak Yavuz
• Created: 16/Feb/17 23:10
• Updated: 16/Mar/17 04:15
• Resolved: 07/Mar/17 17:01

Description

The method "to_json" is a useful method in turning a struct into a json string. It currently doesn't work in SQL, but adding it should be trivial.

Issue Links

• is related to: SPARK-19967 Add from_json APIs to SQL
• links to: [Github] Pull Request #16981 (maropu)