[SPARK-30593] Revert interval ISO/ANSI SQL Standard output since we decide not to follow ANSI and no round trip.

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: Kent Yao 2
• Reporter: Kent Yao 2
• Created: 21/Jan/20 07:08
• Updated: 21/Jan/20 12:53
• Resolved: 21/Jan/20 12:53

Description

Revert interval ISO/ANSI SQL Standard output since we decide not to
follow ANSI, so there is no round trip.

Issue Links

• links to: GitHub Pull Request #27304