[IMPALA-5898] Add function to cancel running queries

• Type: New Feature
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: Frontend
• Labels: built-in-function
• Epic Color: ghx-label-5
• Assignee: Unassigned
• Reporter: Thomas Scott
• Created: 06/Sep/17 14:57
• Updated: 13/Apr/18 15:49

Description

Add a SQL function to allow a query to be canceled. Similiar to the cancel operation from the WebUI.

A prerequisite to this would be to have system tables/views that one can query to see what users are running what queries so the query id can be obtained.