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https://issues.apache.org/jira/browse/HIVE-24835?focusedWorklogId=558672&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-558672
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ASF GitHub Bot logged work on HIVE-24835:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Feb/21 18:35
Start Date: 26/Feb/21 18:35
Worklog Time Spent: 10m
Work Description: zabetak opened a new pull request #2026:
URL: https://github.com/apache/hive/pull/2026
### What changes were proposed in this pull request?
1. Replace HiveSubQueryFinder with RexUtil.SubQueryFinder
2. Modify HiveSubQueryRemoveRule to match only relevant nodes
### Why are the changes needed?
Core readability and small performance improvement.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Existing tests
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Issue Time Tracking
-------------------
Worklog Id: (was: 558672)
Remaining Estimate: 0h
Time Spent: 10m
> Replace HiveSubQueryFinder with RexUtil.SubQueryFinder
> ------------------------------------------------------
>
> Key: HIVE-24835
> URL: https://issues.apache.org/jira/browse/HIVE-24835
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Stamatis Zampetakis
> Assignee: Stamatis Zampetakis
> Priority: Major
> Fix For: 4.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> HiveSubQueryFinder has been copied from RexUtil::SubQueryFinder due to
> CALCITE-1726. Currently, Hive is in calcite-1.21.0 and this bug is resolved
> so the duplicated code can be removed.
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