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https://issues.apache.org/jira/browse/HIVE-24230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Magyar reassigned HIVE-24230:
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> Integrate HPL/SQL into HiveServer2
> ----------------------------------
>
> Key: HIVE-24230
> URL: https://issues.apache.org/jira/browse/HIVE-24230
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2, hpl/sql
> Reporter: Attila Magyar
> Assignee: Attila Magyar
> Priority: Major
>
> HPL/SQL is a standalone command line program that can store and load scripts
> from text files, or from Hive Metastore (since HIVE-24217). Currently HPL/SQL
> depends on Hive and not the other way around.
> Changing the dependency order between HPL/SQL and HiveServer would open up
> some possibilities which are currently not feasable to implement. For example
> one might want to use a third party SQL tool to run selects on stored
> procedure (or rather function in this case) outputs.
> {code:java}
> SELECT * from myStoredProcedure(1, 2); {code}
> HPL/SQL doesn’t have a JDBC interface and it’s not a daemon so this would not
> work with the current architecture.
> Another important factor is performance. Declarative SQL commands are sent to
> Hive via JDBC by HPL/SQL. The integration would make it possible to drop JDBC
> and use HiveSever’s internal API for compilation and execution.
> The third factor is that existing tools like Beeline or Hue cannot be used
> with HPL/SQL since it has its own, separated CLI.
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