[HIVE-19096] query result cache interferes with explain analyze

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1.0, 4.0.0-alpha-1
• Target Version/s: 3.1.0, 3.0.0
• Assignee: Jason Dere
• Reporter: Zoltan Haindrich
• Created: 03/Apr/18 11:27
• Updated: 21/Oct/22 06:59
• Resolved: 04/Jun/18 23:11

Description

if result cache is active; the explain analyze doesn't really return usefull informations; even for unseen queries the result is like this:

+----------------------------------------+
|                Explain                 |
+----------------------------------------+
| Stage-0                                |
|   Fetch Operator                       |
|     Cached Query Result:true,limit:-1  |
|                                        |
+----------------------------------------+