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https://issues.apache.org/jira/browse/HIVE-24644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Kasa resolved HIVE-24644.
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Resolution: Fixed
Pushed to master. Thanks [~jcamachorodriguez], [~vavramenko] for review.
> QueryResultCache parses the query twice
> ---------------------------------------
>
> Key: HIVE-24644
> URL: https://issues.apache.org/jira/browse/HIVE-24644
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2, Parser
> Reporter: Krisztian Kasa
> Assignee: Krisztian Kasa
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Query result cache lookup results by query text which has fully resolved
> table references.
> In order to generate this query text currently implementation
> * transforms the AST tree back to String
> * parses the String generated in above step
> * traverse the new AST and replaces the table references to the fully
> qualified ones
> * transforms the new AST tree back to String -> this will be the cache key
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