[SPARK-33208] Update the document of SparkSession#sql

• Type: Documentation
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0, 3.1.0
• Fix Version/s: 3.0.2, 3.1.0
• Component/s: SQL
• Assignee: zhoukeyong
• Reporter: Wenchen Fan
• Created: 21/Oct/20 14:37
• Updated: 29/Oct/20 03:46
• Resolved: 28/Oct/20 13:19

Description

We should mention that this API eagerly runs DDL/DML commands, but not for SELECT queries.

Issue Links

• links to: [Github] Pull Request #30168 (waitinfuture)