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https://issues.apache.org/jira/browse/HIVE-24231?focusedWorklogId=499945&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-499945
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ASF GitHub Bot logged work on HIVE-24231:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 13/Oct/20 09:35
Start Date: 13/Oct/20 09:35
Worklog Time Spent: 10m
Work Description: kgyrtkirk commented on a change in pull request #1553:
URL: https://github.com/apache/hive/pull/1553#discussion_r503809039
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/SharedWorkOptimizer.java
##########
@@ -326,6 +372,7 @@ public boolean sharedWorkOptimization(ParseContext pctx,
SharedWorkOptimizerCach
LOG.debug("{} and {} cannot be merged", retainableTsOp,
discardableTsOp);
continue;
}
+ // FIXME: I think this optimization is assymetric; but the check
is symmetric
Review comment:
this could be done as a cleanup - however I've already concluded that
because of the table ordering the problematic case will actually never happen;
so we are safe
I've removed the FIXME
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Issue Time Tracking
-------------------
Worklog Id: (was: 499945)
Time Spent: 50m (was: 40m)
> Enhance shared work optimizer to merge scans with filters on both sides
> -----------------------------------------------------------------------
>
> Key: HIVE-24231
> URL: https://issues.apache.org/jira/browse/HIVE-24231
> Project: Hive
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Labels: pull-request-available
> Time Spent: 50m
> Remaining Estimate: 0h
>
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