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https://issues.apache.org/jira/browse/HIVE-24601?focusedWorklogId=542284&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-542284
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ASF GitHub Bot logged work on HIVE-24601:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Jan/21 18:08
Start Date: 26/Jan/21 18:08
Worklog Time Spent: 10m
Work Description: zabetak commented on a change in pull request #1875:
URL: https://github.com/apache/hive/pull/1875#discussion_r564722814
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File path: ql/src/test/queries/clientpositive/analyze_npe.q
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@@ -1,3 +1,4 @@
+--! qt:disabled:HIVE-24656
Review comment:
Yeap, I reenabled the test and rebased the PR.
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Issue Time Tracking
-------------------
Worklog Id: (was: 542284)
Time Spent: 1h 20m (was: 1h 10m)
> Control CBO fallback behavior via property
> ------------------------------------------
>
> Key: HIVE-24601
> URL: https://issues.apache.org/jira/browse/HIVE-24601
> Project: Hive
> Issue Type: Improvement
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> When CBO optimizer fails there is a fallback mechanism(HIVE-7413) that will
> retry to process the query using the legacy Hive optimizer.
> There are use-cases where this behavior is not desirable notably for the
> tests (HIVE-16058) but also for end users who would like to disable the
> fall-back mechanism to avoid running problematic queries without realizing.
> The goal of this issue is to introduce a dedicated Hive property controlling
> this behavior,{{hive.cbo.fallback.enable}}, for both tests and production.
> The default value should be true and tests should run with this property set
> to false.
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