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https://issues.apache.org/jira/browse/HIVE-27238?focusedWorklogId=855892&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-855892
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ASF GitHub Bot logged work on HIVE-27238:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Apr/23 16:06
Start Date: 10/Apr/23 16:06
Worklog Time Spent: 10m
Work Description: sonarcloud[bot] commented on PR #4212:
URL: https://github.com/apache/hive/pull/4212#issuecomment-1502004561
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Issue Time Tracking
-------------------
Worklog Id: (was: 855892)
Time Spent: 0.5h (was: 20m)
> Avoid Calcite Code generation for RelMetaDataProvider on every query
> --------------------------------------------------------------------
>
> Key: HIVE-27238
> URL: https://issues.apache.org/jira/browse/HIVE-27238
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2
> Reporter: Steve Carlin
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> In CalcitePlanner, we are instantiating a new CachingRelMetadataProvider on
> every query. Within the Calcite code, they keep the provider key to prevent
> a new MetadataHandler class from being created. But by generating a new
> provider, the cache never gets a hit so we keep instantiating new
> MetadataHandlers.
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