Krisztian Kasa created HIVE-24644:
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Summary: 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
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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