[SPARK-29408] Support interval literal with negative sign `-`

• 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: Max Gekk
• Reporter: Max Gekk
• Created: 09/Oct/19 08:55
• Updated: 13/Nov/19 03:29
• Resolved: 10/Nov/19 18:10

Description

For example:

maxim=# select -interval '1 day -1 hour';
     ?column?
-------------------
 -1 days +01:00:00
(1 row)

maxim=# select - interval '1-2' AS "negative year-month";
 negative year-month 
---------------------
 -1 years -2 mons
(1 row)

Issue Links

• relates to: SPARK-29855 typed literals with negative sign with proper result or exception
• links to: GitHub Pull Request #26438