[SPARK-32463] Document Data Type inference rule in SQL reference

• Type: Improvement
• Status: In Progress
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 3.1.0
• Component/s: Documentation, SQL
• Assignee: Unassigned
• Reporter: Huaxin Gao
• Created: 28/Jul/20 00:49
• Updated: 22/Sep/20 11:22

Description

Document Data Type inference rule in SQL reference, under Data Types section.
Please see this PR https://github.com/apache/spark/pull/28896

Issue Links

• links to: [Github] Pull Request #29837 (planga82)