[CALCITE-5937] The parsing error should not be thrown even if there is empty Hint

• Type: Bug
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Component/s: core
• Labels: pull-request-available
• Assignee: LakeShen
• Reporter: LakeShen
• Created: 18/Aug/23 09:37
• Updated: 22/Aug/23 12:13

Description

Hints are a special kind of SQL comment,so even if there is no Hint in Hint Statement,it should not throw the sql parser error.

Now in the calcite,for the following sql query, it would throw an SQL parsing error:

select /*+ */ deptno, min(foo) as x from emp  

The exception is :

 

 

Issue Links

• links to: GitHub Pull Request #3377