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https://issues.apache.org/jira/browse/HIVE-25342?focusedWorklogId=624160&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-624160
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ASF GitHub Bot logged work on HIVE-25342:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 19/Jul/21 05:53
Start Date: 19/Jul/21 05:53
Worklog Time Spent: 10m
Work Description: maheshk114 opened a new pull request #2489:
URL: https://github.com/apache/hive/pull/2489
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### What changes were proposed in this pull request?
For the path where stats merge is done, optimisation using direct sql was
missing. Now if the direct sql mode is enabled, the stats are collected in a
map and updated in a batch.
### Why are the changes needed?
perf improvement.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Ptest.
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Issue Time Tracking
-------------------
Worklog Id: (was: 624160)
Remaining Estimate: 0h
Time Spent: 10m
> Optimize set_aggr_stats_for for mergeColStats path.
> ----------------------------------------------------
>
> Key: HIVE-25342
> URL: https://issues.apache.org/jira/browse/HIVE-25342
> Project: Hive
> Issue Type: Sub-task
> Reporter: mahesh kumar behera
> Assignee: mahesh kumar behera
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The optimisation used for normal path to use direct sql can also be used for
> mergeColStats
> path. The stats to be updated can be accumulated in a temp list and that list
> can be used to update the stats in a batch.
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